Fluid Power Journal Manufacturers Directory 2010 by Innovative Designs & Publishing, Inc.

Comprehensive Directory Listing and Product Matrix

Fluid Power Journal Official Publication of the International Fluid Power Society Change Service Requested For Fluid Power & Motion Control Professionals in Hydraulic, Pneumatic, Vacuum & Electric Control Technologies

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Yates Custom Cylinders At Yates, we specialize in engineering and delivering a custom product that comes without compromise and has the performance to match. Your special cylinder applications can be fulfilled through our ability to design and manufacture a custom cylinder to match your specifications. All of this backed up by the numbers: 37 Years, 2 Locations, 24 Hour Support, ISO 9001-2008.

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contents Manufacturers Directory 2010

•

Volume 17

•

Issue 7

Features

8 12 16 33 34

The Importance of Hydrostatic Balance

in Hydraulic Component Design… And Service Life By Brendan Casey

Active Load Abort Systems

Enhanced Protection for Valuable Aerospace Test Articles

Hydraulic Vane Pump: Part Two

By P.K. Guha, Attica Hydraulic Exchange Corp.

Safety Requirements

Manufacturers Directory Matrix

are Everywhere – and for Everyone!

By Elizabeth Rehfus, IFPS Past President

By Arlin Nelson, MTS Systems Corporation

52 88 Understanding the

Manufacturers Directory Listing

A Failed Experiment

By Dan Helgerson, Cascade Steel Rolling Mills, Inc.

departments

4 6 9 72 73 89 104 106 107 111

Notable Words IFPS Time Capsule Product Review Figure It Out Air Teaser FPDA News NFPA News FIRST News IFPS News Classifieds

Official Publication of The International Fluid Power Society

HP Series - NFPA, High-Pressure Hydraulic Cylinders (1 ½” - 20” Bore Sizes) (1 ½” to 24” Bore Sizes)

LH Series - NFPA, Low-Pressure Hydraulic Cylinders (1 ½” - 6” Bore Sizes) (1 ½” to 6” Bore Sizes)

IHP Series - Metric, High-Pressure Hydraulic Cylinders (40mm - 500mm Bore Sizes)

(40mm to 500mm Bore Sizes)

PENINSULAR C Y L I N D E R C O. MH Series - NFPA, Heavy Duty Steel Air Cylinders (1 ½” - 24” Bore Sizes) (1 ½” to 20” Bore Sizes)

Instant 2-D Flat Line Drawings Instant Solid CAD Downloads Instant Part Numbers Fast Simplified Ordering & Quotes

LM Series - NFPA, Medium Duty Aluminum Air Cylinders (1 ½” - 12” Bore Sizes) (1 ½” to 12” Bore Sizes)

IMH Series - METRIC, Heavy Duty Steel Air Cylinders (32mm - 320mm Bore Sizes) (32mm to 320mm Bore Sizes)

ILM Series - METRIC, Medium Duty Aluminum Air Cylinders (32mm - 320mm Bore Sizes) (32mm to 320mm Bore Sizes)

Request more information at www.fluidpowerjournal.com

NotableWords Publisher Innovative Designs & Publishing, Inc. 3245 Freemansburg Avenue, Palmer, PA 18045-7118 Tel: 800-730-5904 or 610-923-0380 Fax: 610-923-0390 | Email: AskUs@ifps.org www.FluidPowerJournal.com Associate Publisher Marc Mitchell Art Director Quynh Vo Editor Kristine Coblitz VP Operations Lisa Prass Account Executive Bob McKinney Accounting Donna Bachman, Debbie Clune OPERATIONS ASSISTANT Tammy DeLong Circulation Manager Andrea Karges

International Fluid Power Society 1930 East Marlton Pike, Suite A-2, Cherry Hill, NJ 08003-2141 Tel: 856-489-8983 Fax: 856-424-9248 | Email: AskUs@ifps.org www.ifps.org

2010 Board of Directors

The

Great Recession

What an incredible past two years it has been. Manufacturing in the fluid power industry was humming along with solid growth in most sectors. Then the recession hit, and it hit quickly with a powerful punch. When the market hit the bottom in September 2009, by many accounts the fluid power industry was down between 48% and 52%. Some segments were hit even harder. The fluid power industry felt the impact of the recession more prevalently than most other industries. Most companies were compelled to make dramatic cutbacks and to conserve resources. The decisions were painful, but the direction was clear and generally understood. While navigating through the recession, we needed to manage the short term and yet be prepared to react when we cleared the bottom and the upturn occurred. We would need to be ready to manage accelerated growth and the associated challenges having just managed through a period of abrupt and significant decline in revenue. Most of us have managed growth before but never coming out the shadow of The Great Recession. Here we are…the recovery from the recession is well underway with most companies in the fluid power industry benefiting from the current uptick. When the recovery started, inventories were low. Often supply chain lead times were long due to dried material pipelines and labor shortages caused by cutbacks. In most cases, staffs that had been reduced due to the same cutbacks needed to manage returned customer demand. The anticipated challenges of accelerated growth are here for many of us. Good problems (opportunities) to have, but tough decisions for many. How to man-

age growth and responsiveness to customers while the healing begins? There is still significant uncertainty with the economy in general. Currency valuation remains concerning, and access to cash is still limiting capital spending. Banks are eager to lend but are under greater regulatory scrutiny. It adds up to a market in a state of cautious optimism. Demand has increased, but will it sustain? Is the demand real or a rebuilding of inventories? Should we hire or use temps until we are certain the rebound will be sustained? These are common questions that are exacerbated by the uncertainty. Customer-focused answers to these questions are paramount. Now and moving forward we are in a time of great opportunity. The age-old questions of risk and reward apply, but the answer to risk-taking comes with a new perspective. We have survived The Great Recession and in many cases have come out on the other side stronger and smarter business leaders. Responsiveness to customer needs has been and will continue to be the key to success. We will look back on the past two years as painful but also rewarding. For our companies, customers, employees, and shareholders this will be the springboard to new growth and prosperity. Moving forward, we have proper concern, however, we also have great optimism and expect opportunities for growth to be abundant.

President & Chairperson Rickey L. Rodeffer, CFPS, CFPMIH, CFPMT, CFPAI The Boeing Company Immediate Past President Robert Yund, CFPAI, CFPIHT, CFPS, CFPCC | Hennepin Technical College First Vice President Jon Jensen, CFPAI, CFPPS, CFPECS | SMC Corporation of America Vice President Education James F. Simpson, CFPS, CFPMM, CFPAI Nusim Assoc Fluid Power Consultant Treasurer Patrick J. Maluso, CFPMHM, CFPS, CFPAI | Western Hydrostatics, Inc. Vice President Membership & Chapter Support Leo C. Henry, Jr., CFPMHM, CFPCC, CFPAI | Altec Industries, Inc. Vice President Certification Wayne C. Farley, CFPMMH, CFPAI | American Electric Power Vice President Marketing and Public Relations Mark Perry, CFPHS | Fitzsimmons Hydraulics

Directors-at-Large

George Bufink, CFPAI, CFPMMH | American Electric Power Dennis Crouch, CFPCC, CFPHS, CFPIHT, CFPAI General Motors (retired) Mike Anderson, CFPS | Motion Industries Tom Blansett, CFPS | Eaton Corporation Justin Sergeant, CFPS | Open Loop Energy, Inc. Bismarck (Bill) Castaneda, CFPHS | Automation Tech, Inc. Jeremiah Johnson, CFPHS | Caterpillar, Inc. Doug Daniels, CFPHS, CFPAI | Mohawk College Jean Knowles, CFPS, CFPE | Spencer Fluid Power, Inc. Marti Wendel, CFPS, CFPE | The Paquin Company, Inc. L. David Ruffus, CFPAI, CFPMHM, CFPMHT | Georgia Power Company Richard Bullers, CFPPS | SMC Corporation of America

Honorary Directors

Robert Firth, John Groot, CFPPS Raymond Hanley, CFPE/AI-Emeritus Robert Sheaf, CFPAI, CFPE, CFPMM, CFPMT, CFPMIT, CFPMMH, CFPMIH, CFPECS

IFPS Staff

Donna Pollander, Executive Director Sue Tesauro, Certification Manager Adele Kayser, Communications Manager Sue Dyson, Membership Coordinator Connie Graham, Certification Coordinator Diane McMahon, Certification Coordinator Beth Borodziuk, Administrative Assistant Nick Pollander, Certification Assistant Diane McMahon, Bookkeeper Fluid Power Journal (ISSN# 1073-7898) is the official publication of the International Fluid Power Society published bi-monthly with four supplemental issues, including

Bill Parks President, Deltrol Fluid Products 2nd Vice Chairman, National Fluid Power Association (NFPA)

a Systems Integrator Directory, Off Highway Suppliers Directory, Tech Directory, and Manufacturers Directory, by Innovative Designs & Publishing, Inc., 3245 Freemansburg Avenue, Palmer, PA 18045-7118. All Rights Reserved. Reproduction in whole or in part of any material in this publication is acceptable with credit. Publishers assume no liability for any information published. We reserve the right to accept or reject all advertising material and will not guarantee the return or safety of unsolicited art, photographs or manuscripts. POSTMASTER: Please send Address Corrections to Fluid Power Journal, PO Box 2548, Orlando, FL 32802-9830

4 | Manufacturers Directory 2010

www.ifps.org | www.fluidpowerjournal.com

M-XP™ hose brings together the best of spiral-wire and wire-braid. Introducing a revolution in hose performance and economy. Gates new M-XP hydraulic hose combines the flexibility and economy of wirebraid construction with the strength and performance of spiral-wire reinforcement. There are a million reasons to spec this hose. Tested at 1,000,000 impulse cycles (five times the SAE standard) at 212°F, M-XP hose can handle 4,000 psi high-impulse applications in all sizes. It is ideal for out-of-sight and hard-toreach applications like boom arms and scissor lifts used in mobile equipment, construction and other industrial markets. And the benefits don’t stop there. M-XP hose is engineered with one-half the SAE bend radius requirement for greater flexibility, easier handling and reduced hose length. Plus, it can be fitted with economical one-piece MegaCrimp® couplings rather than more expensive spiral-wire fittings.

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It all adds up to a hose assembly that delivers high performance and low cost. See what M-XP hose will do for your next hydraulic application. For more information, visit www.gates.com/mxp

C elebrating 50Years

The International Fluid Power Society

IFPS Time Capsule

In 2010, the International Fluid Power Society (IFPS) will celebrate its 50th anniversary as the organization for fluid power and motion control professionals worldwide. In this column, which will run in every issue through 2010, we’ll take a look back at some of the most significant achievements and milestones in the Society’s history. Please participate in this column by submitting your own memories and photos to Kristine Coblitz at kcoblitz@fluidpowerjournal.com or Donna Pollander at dpollander@ifps.org.

1987: The First Fluid Power Society Certification Committee is Established “Fluid power has been my life’s work. I must thank the International Fluid Power Society for making available ready access to the technical information and a network of its members—fellow fluid power engineers, technicians, and mechanics. It has been a pleasure for me to see how the organization has progressed and the great strides forward that have been made. Examples include the certification program, the Fluid Power Journal, and reaching cooperative agreements with the Fluid Power Distributor Association (FPDA) and the National Fluid Power Association (NFPA). These forward strides indicate to me that the organization has matured a great deal from the time when I was part of the executive team.” - Anton Hehn, 1978-1980 IFPS President

The first Certification Committee for the Fluid Power Society certification program consisted of Paul Gies, George Nordenholt, Ernie Parker, Paul Prass, Ron Gore, James Weber, and John Pippenger with Ray Hanley, the current FPS president serving as chairman. The expanded certification program included the following certifications: • Mechanic – Basic Fluid Power (Entry Level) • Technician – Pneumatic (Advanced Mechanic) • Technician – Hydraulic (Advanced Mechanic) • Specialist (formerly Technician) for those who select size and apply fluid power components, design systems and supervise the fluid power work. • Electronics as it applies to fluid power • Engineer FPS now studying certification programs. The development of these programs would not come without a cost, and the limited financial resources of the struggling Society were not sufficient enough to support such an endeavor. In addition, the current structure of the organization was not large enough to handle a project of this magnitude. As a result, Bob Firth accepted the job of guiding the Fluid Power Society into a stronger position, making it capable of handling the expanded certification program. In 1988, the Charlson Research Foundation provided grant funds, which enabled the Society to contract the University of Southern Illinois under the direction of James Sullivan to develop the Mechanic program. In 1989 and 1990, grant funds from the Foundation were again provided to activate both the Mechanic and Technician programs. It was decided that future certification development would be supported by revenue from existing programs. Historical information for this column was obtained from Fluid Power – The Hidden Giant, John J. Pippenger, P.E. (Oklahoma: Amalgam Publishing Co., 1992).

6 | Manufacturers Directory 2010

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Figure 5

Balance

Figure 1

Figure 6

By Brendan Casey

Figure 1

Figure 8

Fig. 1: Hydrostatically balanced cylinder loading two lubricated surfaces

Figure 7

Figure 2

Figure 8

Figure 2

Fig. 2: Typical cross-section of an axial design piston

Figure 2

Figure 3

Fig. 3: Loss of hydrostatic balance increases load on the lubricated surfaces.

Figure 3

Fig. 4: Cross-section of axial piston showing blocked balance drilling

Figure 4

Figure 4 Figure 5

Figure 4 Fig. 5: Mushrooming of Figure 5 slipper surface reduces effective balancing area. 8 | Manufacturers Directory 2010 Figure 6

Fig. 6: Advanced “mushrooming” and wear of piston slipper. Fig. 7: Heavy scoring of piston slipper. Fig. 8: Failure of piston slipper caused by loss of hydrostatic balance

and the force developed is transmitted to the lubricated surfaces of the slipper and swash plate. System pressure also acts on area B, the balancing area of the slipper, via the drilling through the center of the piston. Area C is the sliding (lubricated) area of the slipper. While the ratio of these three areas varies, in this particular piston, area B is 50% of area A, and area C is 140% of area A. This means that the force transmitted to area C is half of the force developed by area A and is spread over 1.4 times the area, further reducing the load on the lubricated surfaces. If the hydrostatic balancing force is lost, i.e. no pressuring acting on area B (Fig. 3), the force exerted on the lubricated surfaces at the end of the cylinder rod will be 100% of the force developed by the pressure acting on area A. If full-film lubrication was dependent on the hydrostatic balance of the cylinder, boundary lubrication conditions will eventuate, and two-body abrasion is likely. Applied to an axial piston, this is equivalent to blockage of the balance drilling by particle contamination (Fig. 4). As a consequence, 100% of the force developed by the pressure acting on area A is transferred to area C, almost certainly resulting in boundary lubrication and two-body abrasion between slipper and swash plate. Because hydrostatic force is a product of pressure and area (F = P x a), hydrostatic balance is affected by changes in either pressure or area. As illustrated in Figs. 3 and 4, blockage of balance drillings by contamination results in loss of hydrostatic balance. Wear caused by two-body and three-body abrasion can also affect hydrostatic balance by altering the areas on which balancing pressure acts or by reducing the effective balancing pressure. To illustrate this, consider the sliding surface of an axial piston slipper. The inner edge of the slipper’s sliding surface is a load concentration point. Deformation of this area can result in localized contact (two-body abrasion) between slipper and swash plate. This causes the slipper’s surface to “mushroom” (Fig. 5), which creates an area that acts to increase the hydrostatic force, and therefore load, on the lubricated surfaces of the slipper and swash plate. Once the slipper begins to mushroom, a cycle of increased load and wear ensues (Fig. 6), leading eventually to loss of hydrostatic balance and slipper failure. The slipper’s sliding surface acts as a seal for hydrostatic balancing pressure. If this surface becomes severely scored as a result of three-body abrasion (Fig. 7), leakage can increase to the point where a pressure drop develops between the piston area and the slipper’s balancing area. This reduces the hydrostatic balancing force, and therefore increases the load on the lubricated surfaces of the slipper and swash plate. The cycle of increased load and wear that ensues, leads eventually to loss of hydrostatic balance and slipper failure (Fig. 8).

ydraulic components are unique in that it is often possible to offset or balance hydrostatic forces to reduce loads on lubricated surfaces. By reducing surface loading, the maintenance of full-film lubrication is improved and therefore boundary lubrication conditions are less likely to occur. Hydrostatic force is the product of pressure and area. Expressed mathematically: F = P x a. The balancing or offsetting of hydrostatic force is achieved by exposing opposing areas to the same pressure. The double-acting cylinder in Fig.1 illustrates this concept. The rod-side area of the piston, area B, is 80% of area A. This means that the force exerted on the lubricated surfaces at the end of the cylinder rod is 20% of the force developed by the pressure acting on area A. This is due to the balancing or offsetting force developed by the same pressure acting on area B. Assuming the speed of the rotating surface (C) and fluid viscosity are adequate, full-film lubrication of the sliding surfaces is achieved. The same principle applied to a typical axial design piston is illustrated in Fig. 2. Area A is exposed to system pressure during outlet (pump) or inlet (motor),

To learn more about the construction of hydraulic components, their modes of failure and how to prevent them, read Brendan Casey’s book ‘Preventing Hydraulic Failures’ available at: www.PreventingHydraulicFailures.com

About the Author Brendan Casey has more than 20 years experience in the maintenance, repair and overhaul of mobile and industrial hydraulic equipment. For more information on reducing the operating cost and increasing the uptime of your hydraulic equipment, visit his Web site: www.ifps.org | www.fluidpowerjournal.com www.HydraulicSupermarket.com

ProductReview

A Look At New & Innovative Products

Automotive/Aerospace Testing Sensor

Celesco Transducer Products The MT3A is designed for aerospace and automotive testing and is available in 3, 9, 15, and 30-inch stroke ranges. The sensor has three different cable tension options for tests to 90 Gs. The sensor has O-ring seals that protect it against wet environments. Operating temperature is -40°F to 250°F. The sensor has a high-tension, rugged measuring cable designed for the demands of both flight and automotive crash testing. It also comes with a simple-to-use 2-axis, 360-degree rotating mounting bracket, allowing it to be easily installed in challenging locations. www.celesco.com

Non-Contact Measurement System

NVision, Inc. The MAXOS system uses a proprietary point of concentrated light that measures parts at high speed. It can scan freshly machined surfaces, highly polished surfaces, and even mirrors without any need for coating. By measuring with a single concentrated light point, the inaccuracy inherent in manual measurement is eliminated, and high accuracy of ±2mm on matt surfaces and ±10mm on polished metal can be achieved. The system utilizes the conventional three axes of CMM with two additional axes on its sensor along with two optional turntables resulting in up to seven axes in total. All of these axes can be controlled to ensure smooth and fast movement around all of the points to be measured even on difficult-to-measure horizontal geometry and blade performance. Delta Air Lines is now using the system to achieve accuracy in overhauling turbine blades and vanes. www.nvision3d.com

PVC Filter Monitors

Orange Research New PVC filter monitors measure differential pressure to check the health of filter media in filtration equipment for water and corrosive liquids. They indicate the optimum time to replace or clean the filters, and a single dial simplifies training, installation, and maintenance while reducing operator errors. The bodies are rated at up to 150 psi line pressure and are conveniently small sizes, measuring 1" D x 1.5" H x 1.5" W. Precisionmade piston sensors handle differential pressure ranges from 0-10 to 0-30 psid, covering most filter monitoring applications. Accuracy is 5% full scale and each unit is calibrated to NIST (National Institute of Standards and Technology) standards. www.orangeresearch.com

Leak Testing/Measurement Meter Max Machinery Inc.

The MAX-213 meter, with its 0.9 ml/ revolution displacement is designed for leakage testing and zero-crossing measurement. When combined with the 294 series of transmitters, the unit can provide 1000 pulses/ ml or produce a fully linearized ±10 Volt or ±20 mA output for bidirectional testing. www.maxmachinery.com

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Manufacturers Directory 2010 | 9

Advertorial

Clean-Seal Capsule he Clean Seal Capsule is a new method for sealing and protecting the end connection of a hose or tube assembly that has been internally cleaned. Protecting the threaded connection is important, and keeping the assembly contamination free is paramount. The Milwaukee School of Engineering teaches a course about contamination control for fluid power applications. The Contamination Control course explains how traditional plastic caps and plugs can contaminate newly cleaned hose and tube assemblies. When a plastic cap or plug is either pushed into a female thread or over a male threaded end connection, there is a great possibility that the thread will

cut or shave off bits of plastic. This can also occur when the plastic caps and plugs are removed from the end connections. The plastic shavings will end up inside of the assembly, which is a contaminant to the hydraulic system. The Clean Seal Capsule is prestacked to make sure it is clean on the inside sealing area. It goes on cleanly and is removed with a unique tear strip feature, which ensures that the capsule will not create contamination and will stay on until you want to remove it. The hose and tube fabricator inventory is greatly reduced because only nine sizes of Clean Seal Capsules are needed for applications from 1/4" through 2". A traditional heat gun can be used, or Clean Seal heat shrink systems for production applications are available from Ultra Clean Technologies.

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10 | Manufacturers Directory 2010

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SENSORS

The Measurable Difference Request more information at www.fluidpowerjournal.com

• by Arlin Nelson, MTS Systems Corporation

Active Load

Abort Systems

Enhanced Protection for Valuable Aerospace Test Articles

s any aerospace test professional will attest, today’s test program schedules are tremendously aggressive and often budget-constrained to a point where time and money pressures don’t leave room for unexpected errors or delays. Damage to valuable, one-of-a-kind test articles can set a program back several months and millions of dollars. Protecting test articles from accidental overloads or unexpected test shutdown is critical to meeting test program schedules and budgets. Structural tests routinely involve numerous channels of load applied through dozens, often hundreds, of hydraulic actuators that are highly coupled in complex ways. In the event of a power outage or mechanical malfunction, dangerous amounts of energy may remain within the test article, which can unload in unpredictable ways if left unmanaged. Any power, mechanical, or control failure can pose a threat to both the test article and lab personnel. Multiple measures exist for managing the stored energy in the test article in the event of a structural test malfunction, at both the test software and hardware levels. On the software side, safety features include an A/B compare capability, which compares two measurements per each load channel of control to ensure load feedback integrity. Shutdown recorders also record all test data during unintended shutdowns, ensuring that all test data remain safe as well. Control system safety features include an ability to automatically cease test activity the instant a signal detector is detected, along with hardware watchdog timers that ensure all signals are valid and synchronized. However, these software and hardware measures alone will no longer provide adequate protection. Complete protection requires removing loads 12 | Manufacturers Directory 2010

from the test article itself, at the point of system interlock. This can be successfully achieved using MTS Active Load Abort (ALA) System technology. The MTS ALA System provides complete control over both planned loading and unintended unloading of multichannel structural test systems. The system combines MTS FlexTest® digital controls and AeroPro™ control and data acquisition software with a specially designed hydraulic manifold placed between each test actuator and servo valve. In the event of a failure or test interlock on the

control side, the hardware, software, and manifold prompt the redundant unloading control system to simultaneously and uniformly remove the load present in the test article.

Why “Active” is Superior to “Passive”

Constant-velocity, or passive, load abort manifolds have been in use for decades and still provide a sufficient means of energy removal for many structural testing applications. These passive manifolds protect test articles from damage by incorporating an adjustable orifice that controls the flow rate of hydraulic fluid from each actuator. Although passive load abort technology successfully manages the unloading of hydraulic pressure, it does not guarantee the achievement of a neutral state for all actuators in a synchronized shutdown. In contrast, ALA systems enable all actuator loads to reach a neutral state in a user-defined time, regardless of varying pressures and positions of individual actuators. The effectiveness of the MTS ALA System is derived from a redundant control scheme in which an independent unload control system runs in parallel to the test load control system. The loading and unloading of each actuator is implemented through advanced active load abort manifolds, which can either be mounted directly to actuators or can stand free. Each manifold features both a primary and secondary control circuit. The primary circuit is driven by the load control system and is composed of an MTS servo valve. The secondary circuit is driven by an independent unload controller with one or two proportional valves capable of 50 to 200 lpm maximum unloading flow rates. Relief valves provide a third mechanical failsafe, metering actuator flow to keep test specimen unloading under control even if the primary and secondary circuits fail. www.ifps.org | www.fluidpowerjournal.com

Working in concert with the active load abort manifolds, the unload control system continuously monitors the state of the entire test. When it detects a failure or test interlock, it immediately prompts the uniform removal of all loads from the test article, protecting it from harm. ALA technology is the ultimate in test article safety, and implementing it requires an investment in safety. It is recognized as such an effective safety measure that certain manufacturers are now requiring test labs to have active abort load measures in place when working with their test articles. An ALA setup wizard, available in the standard toolset of the MTS AeroPro software application, greatly speeds and simplifies channel configuration for the ALA System, putting the process well within reach of the average lab technician.

Airbus Military: A Case Study

Headquartered in Getafe, Spain, Airbus Military (formerly EADS CASA-MTAD) has been responsible for the design, production, and testing of hallmark military aircraft over the last several decades. After program approval in 2003, Airbus began development work on the next high-profile project: the medium-duty Airbus A400M military transport aircraft. The four-engine turboprop plane is unique in its relatively large size and its ability to be refueled while airborne. Interest was immediately high for the Airbus A400M, with orders for hundreds of aircraft arriving during its development phase from Germany, France, Spain, United Kingdom, Turkey, Belgium, Luxembourg and Malaysia. The goal was to set up the complete structural test in six months, beginning

the moment the wings for the aircraft arrived in Getafe from the Airbus manufacturing facility in Seville. “The schedule left us with no time for delays,” said Angel Gago, Head of Structural Test Laboratory, Airbus Military. “During testing, our challenge would be to achieve the highest levels of efficiency, while also preserving the structural integrity of the test article throughout the process.” Structural testing for the Airbus A400M requires 120 control channels and more than 9,000 strain gages, with the ability to read 6,000 gages at once. Massive loads must also be applied to the test articles to simulate the aircraft’s real-world operating conditions. Mr. Gago knew that with a setup involving such high complexity and large forces, maintaining test article integrity would be imperative. “A system malfunction could set us back months of valuable engineering time if the test article were to sustain any damage,” Mr. Gago said. “Such failures are rare, but it was a risk we could not take. It was essential for us to be able to immediately and evenly remove energy from the test rig at any time in a controlled manner.” The Airbus Military relationship with MTS began more than 20

years ago. Mr. Gago says that the main benefit of MTS ALA technology is that it has allowed Airbus Military to apply a new way of thinking to protecting full-scale structural test articles from system malfunctions or other unexpected and potentially damaging incidents. “We are now confident in knowing that our test articles are well safeguarded from damage during testing,” Mr. Gago said. “Our test engineers can focus on the test itself, without having to worry about how an unexpected failure on the test rig might eradicate their hard work.”

About the Author

With prior work experience at Boeing and Bombardier, Arlin Nelson brings industry expertise to real-life testing challenges. As a systems integration engineer at MTS Systems Corporation, he works with organizations around the world to implement aerospace testing solutions.

•

To learn more about MTS Active Load Abort technology, please call 800.328.2255 or send an e-mail to info@mts.com.

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Manufacturers Directory 2010 | 13

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| Safety Requirements

are Everywhere—and for Everyone! By Elizabeth Rehfus, CFPE, CFPS, and IFPS Past President

Entire organizations, such as the National Safety Council, the Fire Equipment Manufacturers Association, the Food and Drug Administration, the Centers for Disease Control and Prevention, the Motorcycle Safety Foundation, and the Federal Aviation Administration, concern themselves with safety—its critical importance as well as the development of its standards and applications. The United States governmental agency OSHA (the Occupational Safety and Healthy Administration) along with its state and regional subsidiaries, work exclusively in the field of safety and was empowered by Congress in 1970: “…to assure so far as possible every working man and woman in the Nation safe and healthful working conditions and to preserve our human resources – “(1) by encouraging employers and employees in their efforts to reduce the number of occupational safety and health hazards at their places of employment, and to stimulate employers and employees to institute new and to perfect existing programs for providing safe and healthful working conditions; “(2) by providing that employers and employees have separate but dependent responsibil-

ities and rights with respect to achieving safe and healthful working conditions;…” The OSH Act of 1970 goes on to provide as many ways and means as possible to help improve safety standards and implement safety policies and procedures. The International Fluid Power Society (IFPS) believes that implementation of safe procedures is paramount in all fluid power systems and associated technologies. All IFPS certification study manuals include safety recommendations whenever they apply to the subject matter. For example, in the Connector & Conductor (CFPCC) review manual, page 60, it states: “Caution: When cutting hose always wear safety glasses and avoid loose fitting clothing. Hearing protection is also strongly recommended.” These three safety considerations will not make the hose more accurately cut the correct length, but they may well prevent a worker from losing an eye, getting an arm caught in the hose machine, or permanently damaging his hearing. It is beyond the purview of the IFPS to attempt to cover every potential safety circumstance on every piece of equipment in every known application. Such an effort would require at a minimum another set of certification study manuals—a “safety” companion manual for each of our existing study guides. Short of that, each manual brings safety guidelines and recommendations to the forefront as the subject matter dictates. Additionally, you can find general articles about safety in the workplace in issues of Fluid Power Journal. Our Accredited Instructors (CFPAI) gain their credentials through the IFPS and regularly present safety information in both their review training sessions and subject matter educational classes. Such common sense, yet vital suggestions as “review every machine repair site for a safety improvement suggestion before signing off on the repair job” help to bring the notion of safety to the attention of every machine repairman, particularly if that suggestion is on his final report checklist. In every circumstance, factory, piece of mobile equipment, or application of any fluid power prod-

uct, every employee and employer is responsible to improve the safety standards whenever an opportunity presents itself. No one knows the equipment better than the people who work with it daily—they are the most important ones to improve that equipment’s safety! Whether you work in pneumatics, hydraulics, or even vacuum, there are some things that all of us in fluid power have in common: one of the worst things to happen includes loose fittings on hose, tubing, or piping and then having those fittings come off! No matter which medium you use, fittings coming off are a BAD thing; they can go flying across the factory (or the oil field or coal mine) and hit people in the process. If the fittings have come from the ends of hoses, then the hoses themselves can be like whipping snakes and are extremely dangerous to anyone working nearby. Likewise, when fittings come off, they let out the medium they were holding back—and pressurized air or fluid hurts! If it is also hot, the fluid can burn. Hot, pressurized hydraulic fluid can easily bore into the body, and then it must be surgically removed lest it cause gangrene. Nasty business! So what’s the answer? Make sure you use the right connectors (fittings) for the job, along with the matching correct conductors (tubing, hoses, or pipes). Also insure that you tighten these connections to the right specifications for the fitting, tubing, and application. Then double-check all connections before you startup the machine. Not so simple, huh? Ultimately, it is your responsibility to thoroughly understand your company’s safety policies and procedures. You need to know what to do every day, as a matter of course, in your every day routine. You also need to know, without a moment’s hesitation, what to do in case of an emergency. This could mean someone’s life—perhaps yours. You are also responsible for an intimate knowledge of the safety equipment and procedures of your particular machine or equipment, and you should be constantly on the lookout for ways to improve its safe functionality. Even if it means taking a personal risk that might affect your employment, you must bring safety issues to the attention of management for the benefit and safety of all.

S afety A pplies For E veryone

and

To You!

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www.ifps.org | www.fluidpowerjournal.com

Manufacturers Directory 2010 | 33

| | | |M | | | | | |at | | | | | | | | r| | | | i| | | x| | | | | | |I| | n| | | | | d| | | | |e| | | x| | | | | | | | | Section A: Pages 36-51

Section B: Pages 56 - 71

Section C: Pages 74 - 87

Section D: Pages 90 - 103

Accumulators Actuators - Rotary Hydraulic Actuators - Rotary Pneumatic Actuators - Solenoid Adapters & Mounts - Pump, Motor, Etc. Aftercoolers Air Breathers Air Compressor Oils Air Logic Devices Air Operated Hydraulic Pumps Bladders Brakes - Hydraulic Brakes - Pneumatic Clamps - Hose, Tube & Pipe Clamps & Fittings Closures, Caps & Plugs Clutches - Pneumatic, Tension Control Compressors - Air Connectors - Electrical Contamination Control Controls - Two-hand, no-tie-down Coolers - Hydraulic Fluid Counters - Hyd., Pneumatic & Fluidics Couplings - Air Self Sealing Couplings - Flexible Shaft Couplings - Fluid Self Sealing Couplings - Quick Disconnect Couplings - Rotating, Swivel Crimping Machines Cutters - Carbide Indexable Port Contour Cylinder Accessories Cylinder Position Sensors Cylinders - Air Cylinders - Air/Oil Cylinders - Clamping Cylinders - Composite (Air & Hydraulic) Cylinders - Hydraulic Cylinders - Hydraulic (Custom) Cylinders - Locking Cylinders - Minature Cylinders - Mill Cylinders - Pneumatic Cylinders - Rodless Data Acquisition Systems Die Lifters - Pneumatic Dryers - Air Electric Servomotors & Drives Electronic Controls Ethylene Propylene Fasteners - Metal, Theaded Nuts & Bolts Filter Carts - Portable Filter Regulator Lubricator (FRL) Filters - Hydraulic Filters - Exhaust Air Filters - Flanged Filters - Pneumatic Filtration Equipment Rentals Filtration Systems Fittings & Port-Hose Tube Fittings - Metric Hose Tube & Port

Fittings - Push-ins Flanges-Hydraulic Flanges - Threaded & Welded Flexible Metal Hose Fluoroelastomer Flowmeters - Variable Area Fluid Handling Equipment Fluid Level/Temp Switches (custom) Flushing, Oil Systems Framing - Structural, T-slot Gaskets & Materials Gauges - Flow Gauges - Fluid Level Gauges - Pressure Gauges - Temperature Gauges - Vacuum Gear Drives Grippers Heat Exchangers - Hydraulic Heat Exchangers - Hydraulic (Custom) Heaters - Hydraulic Fluid Heaters - Oil Heaters - Coolant High Performance Coatings Hose - Air Hose - Hydraulic Hose Clamps Hose Cleaning Machines Hose Cutting Machines Hydraulic Fluids Hydraulic Fluids - Fire Resistant Hydraulic Fluids - Environ. Friendly Hydraulic Fluids - Synthetic Hydraulic Linear Servo Actuators Hydraulic Motion Simulators Hydraulic Valve Components Intensifiers Interface Devices Joysticks & Joystick Controllers Iron Castings Leak Detection Lamps & Dyes Leak Detectors - Thermas Mass Leather Load Cells Lubricants Lubrication Devices - Automatic Lubrication Systems Maint. Equipment Mainfolds - Air Manifolds - Hydraulic Manifolds - Pump, Motor, etc. Metal Meters - Positive Displacement Mist Elimination Motors - Hydraulic Motors - Pneumatic Motors - Low Speed/High Torque Mufflers - Pneumatic Packings - Braided Packings - Cup

Packings - Diaphragm & Sheet Packings - Gasket Packings - Leather Packings - Metallic Packings - Synthetic Packings - U- Rings Packings - V-Rings Piston Rods Piston Rings - Non-Metallic Polyurethane Power Units & Systems Power Units - Hazardous Location Pressure Gauge Protectors - Snubbers Pressure Switches Pressure Transmitters PTFE (Teflon) Pump Adapters Pump Housings (Plastic) Pumps - Air Driven Pumps - Centrifugal Pumps - Diaphragm Pumps - Fixed Displacement Pumps - High Pressure Pumps - Hydraulic Hand Pumps - Hydraulic Heat Pumps - Metering Pumps - Reciprocating Pumps - Rotary Pumps - Rotary Positive Displacement Pumps - Vacuum Pumps - Variable Delivery Pumps - Variable Displacement Pumps - Vertical (Sump) Pumps - Water Recovery/Recycling Equipment Regulators - Air Regulators - Vacuum Repair, Reconditioning Reservoir Breathers Reservoirs & Accessories Sealing Compounds Seals - Mechanical Seals - O-Ring Seals - Oil Seals - Rubber Hydraulic Semiconductors Sensors Sensors, Pressure Sensors, Ultrasonic Fluid Level Shims Shock Absorbers, Dampers Sleeves - Boots Slides - Motion Control Slides - Pneumatic Software - Fluid Power Solenoid Valves - 2-Way/3-Way Elec. Oper. Strainers/Diffusers Switches

Swivels - Power Swivels - Rotary Tachometers/Strobe Scopes Tank Vent Testing & Test Equipment Thread Protectors Training Test Stands/Educational Transducers Transmissions - Hydrodynamic Transmissions - Hydrostatic (HST) Transmitters Tube Cleaning Tube Fabricating Tubing - Aluminum Tubing - Copper Tubing - Markers Tubing - Plastic Tubing - Rubber Tubing - Stainless Steel Tubing - Steel Tubing - Steel Skived/Roller Burnished Tubing & Hose Turbines - Axial, Insertion, Tangential Vacuum Components Valve Panels Valves Air - Check Valves Air - Circuit Logic Control Valves Air - Deceleration Valves Air - Directional Valves Air - Flow Control Valves Air - Pilot Operated Valves Air - Quick Exhaust Dumping Valves Air - Relief Valves Air - Time Delay Valves - Ball Valves - Bleed Valves - Check Valves Hyd. - Air Bleed Valves Hyd. - Check Pilot Operated Valves Hyd. - Counterbalance Valves Hyd. - Deceleration Valves Hyd. - Directional Valves Hyd. - Flow Control Valves Hyd. - Flow Dividers Valves Hyd. - Mobile Valves Hyd. - Pilot Operated Valves Hyd. - Proportional Control Valves Hyd. - Plastic Diaphragm Valves Hyd. - Pressure Control Valves Hyd. - Pressure Reducing Valves Hyd. - Relief Unloading Valves Hyd. - Sequence Valves Hyd. - Servo Valves Hyd. - Shuttle Valves Hyd. - Variable Displacement, Explosion Proof Valves - Pneumatic Valves - Surge Damping Valves - Stop Valves - Water Vent, Closed

34 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

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A & A Manufacturing Company, Inc. A & H Fluid Technologies, Inc. ACCES I/O Products Accuflex Accumulators, Inc.

Advance Motion Controls, Div of Devine Hydraulics Inc.

Advanced Assembly & Automation

Advanced Control Technology, Inc. Advanced Fluid Systems

Advanced Machine & Engineering Co. Aggressive Hydraulics

Air & Hydraulic Power, Inc.

Air Draulics Engineering Company

Air Hydraulic Systems

x x

Air Logic

Air-Hydraulics, Inc. Airline Hydraulics

x x

Air-Mite Devices, Inc. Airmo, Inc.

Airotronics Airpot Corp. Airtec Pneumatics, Inc.

Airtek Air-Way Manufacturing Co.

AKG of America, Inc.

ALA Industries, Ltd. Allen Orton LLC.

Allenair Corp. Alliance Plastics

Allied Fluid Conditioners, Inc. Allied Metrics Seals and Fasteners, Inc. Alloys & Components, SW Alpha American Cylinder Company, Inc. American Hydrostatics

AMETEK Automation & Process Technologies

Amphenol Industrial Operations

Anderson Fittings/Trident Anderson Metals Corp., Inc.

Apex Design Technology API Heat Transfer

APM Hexseal Applied Industrial Technologies

Argo-Hytos, Inc.

ASA Hydraulik of America

ASCO Numatics

Atico-Internormen-Filter, Inc.

Atlas Copco Compressors Inc.

Atlas Cylinders Atos Systems, Inc. Attica Hydraulic Exchange Aurelius Manufacturing Co., Inc.

Autoclave Engineers FCD Automation Direct Axiomatic Technologies Corp AZ Hydraulic Engineering Inc.

Bailey International Corporation Baldwin Filters Balluff Inc. Bal Seal Engineering, Inc.

Barrington Automation

Battlefield International Inc. Bay Advanced Technologies

Behco, Inc. Behringer Corp.

Belden Americas, Hirschmann Products

Belden Americas, Lumberg Automation Products

Beswick Engineering Co., Inc.

BETE Fog Nozzle, Inc. Biddle Precision Components Bijur Lubricating Corp. Bimba Mfg. Co.

Birmingham Hydraulics Inc. BKO Technical

Bobalee Hydraulics Bondioli & Pavesi, Inc.

Bosch Rexroth Corporation, Pnuematics

Brand Hydraulics Bray Controls, Div of Bray International

36 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 37

BSF, inc. Buckeye Rubber & Packing Co.

x x

Carolina Fluid Components

CAT PUMPS

Catey Controls - A Womack Company

x x

CEJN Industrial Corporation Central Illinois Mfg. Co. (Cim-tek Filtration) Certified Power, Inc.

x x

Circle Seal Controls

Clark-Cooper Div. of Magnatrol Valve Corp.

Clippard Instrument Lab., Inc.

Coilhose Pneumatics Component Technology, A Div. Of Certified Power, Inc.

x x

Conbraco Industries Inc.

x x

Control Enterprises, Inc. (C.E.I.) Control Line Equipment, Inc.

ControlAir, Inc. Controlled Motion Solutions

Cooper Instruments CPV Manufacturing, Inc. Cross Manufacturing Inc.

CRS Service, Inc. Custom Cylinders, Inc. Custom Hoists, Inc. Custom Hydraulics, Inc.

Cyber-Tech Inc. Dakota Fluid Power

Danz Tech Corporation Dees Fluid Power

Del Equipment Limited DEL Hydraulics, Inc.

Delaware Manufacturing Industries Corporation Delta Computer Systems, Inc. Denison Hydraulics Des-Case Corp. De-Sta-Co Industries

x x

Dichtomatik Americas

Dixon Valve and Coupling Company

domnick hunter Donaldson Company Inc., Industrial Hydraulics DTS Fluid Power, LLC

x x

Duplomatic - UHI Dura Valve, Inc.

Duramaster Cylinders Durex Industries Dwyer Instruments, Inc. Eaton Corporation

Eaton Hydraulics

Eldon James Corporation Elect Air

Emerson Process Mgt.-Valve Automation

x x

Endress + Hauser, Inc. Energy Manufacturing Co., Inc.

Enfield Technologies Engineered Sales Inc.

Entwistle Co., Kenett Hyd. Distribution Div.

x x

EPCO Products, Inc. EPE Industrial Filters

Eskridge, Inc.

Europower Inc. Evolutionary Concepts, Inc.

Exair Corp. Fabco-Air, Inc.

Fairey Arlon Inc. Fairview Fittings & Manufacturing Inc. Falk Corporation

Faster Inc. FasTest Inc. Festo Corporation

x x

FHI-Steffen, Inc. Filtration Products Corp.

FLANGES, LLC Fleetguard, Inc. Flender Corp.

38 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

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Canimex, Inc.

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 39

Flo Draulic Group Flo-Tork, Inc.

Fluid Energy Controls, Inc.

x x

Fluid Line Products Inc. Fluid Power Associates, Inc. Fluid Power Connectors, LLC

x x

Fluid Power Products, Inc.

Fluid Power, Inc.

x x

Fluid Systems Partners US, Inc. Fluid Tech, LLC

Fluidtechnik USA, Inc.

Force America

x x

Foster Manufacturing Co., Inc. Franklin Electrofluid Co., Inc.

x x

Galland Henning Nopak, Inc. Galtech Canada inc. Gast Mfg. Inc., A Unit of IDEX Corp.

Gates Corporation Gear Products Inc.

Gems Sensors and Controls Goodyear Tire and Rubber Company Granzow Inc.

Greenco Corp.

Grimstad Co., The GS Hydraulics, Inc.

x x

Guardian Ind. Inc. Harvard Corporation Haskel International, Inc.

Hawe Hydraulics

HBControls Inc.

Request more information at www.fluidpowerjournal.com

40 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 41

Heinrichs USA LLC Helac Corp. Henderson Engineering Hercules Hydraulics

Hiblow USA, Inc. x

Hoerbiger Origa Holmbury, Inc. Houston Hydraulic

HPI Cylinders HR Textron Humphrey Automation

Humphrey Products

Hyco International Inc. Hydac International

Hydac Technology Corp

Hydra Force, Inc. Hydra-Check Hydra Dynamic Systems Inc. Hydradyne Hydraulics

Hydramation, Inc.

Hydra-Power Systems, Inc.

x x

Hydraquip Corporation

Hydraulic Component Services, Inc.

Hydraulic Solutions Inc.

Hydraulic Specialists, Inc. Hydraulic Specialty Co. Hydraulics International, Inc.

Hydrauliques Continental, Inc. Hydro Air Dees

Hydro Air Hughes - Clarence, NY

Hydro Air Hughes - North Haven, CT

Hydro/Power LLC

Hydro-Line, Inc.

Hydronic Corporation Hydrotech, Inc.

x x

HyPower Hydraulics Hy-Pro Filtration HYVAIR Corp IC Fluid Power, Inc. Iconics IHD, Incorporated

IMI Norgren Inc.

Industrial Hydraulic Services Industrial Nut Corporation Industrial Specialties Mfg. Innotek Corporation Innovative Hydraulic Designs, Inc.

x x

Inserta Products, Inc. Interface Devices, Inc. International fpa

Internormen Technology GmbH

Internormen Technology Inc.

Inventive Resources, Inc.

x x

ITW Vortec ISOPur Fluid Technologies ITW Vortec J.E. Myles, Inc.

J.M. Grimstad Inc.

J.W.F. Technologies

JARP Industries

JEM Technical

JH Technology, Inc. JLM Systems Limited

John Deere Cylinder Division John Guest USA, Inc. Jun-Air USA,, Inc.

Kaeser Compressors, Inc.

Kaydon Custom Filtration Corp. Keller America Inc. Kent Fluid Power

Knotts Co., Inc., The Kocsis Technologies, Inc.

x x

Koolant Koolers, Inc. Kraft Fluid Systems, Inc.

x x

KTR Corporation Kuriyama of America Inc.

Kurt Hydraulics KV Pneumatics Inc.

42 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

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x x

x x x x

x x x

x x

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x x

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x x x x x

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x x x x

x x

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x x x

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|||||||||||||||||||||||||||||||||

Product Matrix

x Co

lin

////////////////// x

www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 43

LCR Electronics

Lincoln Industrial x

Liquid Controls, LLC Livingston & Haven

Lovejoy Hydraulics

x x

Lumberg Inc.

Lynair, Inc. Lynch Fluid Controls

M & M Rogness

x x

Machinery Service & Design, Inc. Mack Corporation Macro Sensors Magnaloy Coupling Co.

Magnet Schultz of America

Magnetek

x x

Main Mfg. Products Inc. Marion Fluid Power Marion Mfg. Marken Mfg. Marsh Bellofram Marshall Metal Products Inc.

Master Pneumatic-Detroit, Inc. Maverick Hydraulics and Machining Maxbar, Inc. Maxpro Technologies, Inc.

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s lui tic

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Lillbacka USA, Inc.

eu -A

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Legris Inc. Lehigh Fluid Power, Inc.

Lindberg Fluid Power

ir S

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Lee Company, The

Lenz Inc.

elf

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LDI Industries, Inc.

-ti

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La-Man Corporation

dic

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KZCO, Inc.

KYB America LLC

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Product Categories A thru F Accumulators to Fittings - Metric Hose Tube & Port

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x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 45

Mead Fluid Dynamics, Inc. MICO, Incorporated Micromatic Midland - ACS North America

Milwaukee Cylinder

Miratron

Mocap Inc.

Monnier, Inc. Moog

Moog Flo-Tork

Motion Industries

MP Filtri USA

MRM Incorporated MTS Systems Corp.

x x

Murrelektronik

Nass Controls

NC Servo Technology NewAge Industries Inc.

Niagara Caps & Plugs

Nike Hydraulics Inc.

Norgren Norman Equipment Company

x x

Norman Filter Company Northwest Swiss-Matic, Inc.

Nycoil Company OEM Controls Inc. Oetiker Inc. Oil-Rite Corporation

Oâ&#x20AC;&#x2122;Keefe Controls Co.

Omega Engineering, Inc.

Omnex Control Systems, Inc. Open Loop Energy, Inc.

x x

Ossco Bolt & Screw Company Pabco Fluid Power Co.

Pall Corp.

Palmer Wahl Parker Cylinder Division Parker Hannifin

Parker Hannifin Corp. - Finite Filter Operation Parker Hannifin Corp. - Global Accumulator Div.

Parker Hannifin Corp. - Hydraulic Filter Div. Parker Hannifin Corp. - Quick Coupling Division Parker Hannifin Corp. - Racor Division Parker Hannifin Corp. - Tube Fittings Division Parker-domnick hunter

Parker-Zander

Peninsular Cylinder Co., Inc. PFA, Inc. PHD, Inc.

Piab Vacuum Products Pinnacle Systems, Inc.

Pisco USA, Inc.

Pneumadyne, Inc. Pneumatech LLC Pneumatics, Hydraulics, & Abrasives (PHA, Inc.)

Poclain Hydraulics, Inc.

Polymer Molding Inc.

Porous Media Corp.

Positech Corporation Power Systems

P-Q Controls

Precision Filtration Products

Precision Industries

x x

Pressroom Electronics

x x

Pressure Components, Inc.

Pressure Connections Corp. Prince Mfg. Corp. Pulse

Puregas R J Hydraulics Inc.

Ram Industries Inc.

Rectus-TEMA Corp.

Rego Cryo-Flow Products Rietschle Thomas

Rineer Hydraulics Inc.

Ritepro, Inc. Robeck Fluid Power Co.

Rockford Air Devices, Inc.

46 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

s lui tic

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Minnesota Rubber and Plastics

-A

lin

Miller Fluid Power

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d.,

elf

lic

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Midland Metal Mfg.

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Product Categories A thru F Accumulators to Fittings - Metric Hose Tube & Port

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 47

Rosedale Products, Inc. Ross Controls® Rotary Systems, Inc. Rotomation, Inc.

x x

Schmalz, Inc.

Schroeder Industries LLC Schrupp Industries, Inc.

x x

Schunk Inc.

Scorpion Technologies Ltd. Scott Rotary Seals Seal Master Corporation Senior Aerospace Metal Bellows

Serfilco, Ltd.

Servometer-PMG, LLC

S. G. Morris Co., Cleveland, OH

S. G. Morris Co., Toledo, OH

S. G. Morris Co., Pittsburgh, PA

S. G. Morris Co., Huntington, WV

Sheffer Corp.

Sick Inc. Siemens Water Technologies Corp.

Simonds Inc. Simplex Div. Templeton, Kenly & Co., Inc. SIPCO Mechanical Linkage Solutions

Smalley Steel Ring Co. SMC Corporation of America

Snap-tite Source Fluid Power

Spencer Fluid Power

Spez-Tech EFPT SPIR STAR Spirax Sarco SPX Fluid Power SSP Fittings Corporation SSS Clutch Company, Inc.

Stafford Manufacturing Corp. Stanley M. Proctor Company

Stauff Corporation

Sun Hydraulics Corporation Super Swivels Symcom, Inc. System Components, Inc. Tarrant Hydraulic Service, Inc.

Taylor Devices, Inc. Texas Hydraulics. Inc. Thermal Transfer Products

Thomas Industries, Inc.

Titan Worldwide

Tobul Accumulator, Inc.

Tolomatic, Inc.

Tompkins Industries Inc. TopWorx TPC Pneumatics

TR Engineering Inc. Trelleborg Sealing Solutions Trico Corporation

Triple R America Co., Ltd. Triple R Oil Cleaner Turn-Act, Inc.

Tuthill Coupling Group- Hansen Couplings UFI Filters Division - UHI Ltd. Ultra Clean Technologies Corp.

Ultraflo Corporation

Uniflex of America United Electric Controls Universal Filter Int’l - UHI Universal Grinding Corporation

Universal Hydraulics International LTD

V & P Hydraulic Products Vaccon Company Valtorc International - Actuated Valve Div.

Van Air Systems

Van Hydraulics

Veljan Hydrair Pvt. Ltd.

Ventura Hydraulic & Machine Works, Inc. Vescor Corporation

48 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

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Sauer-Danfoss SC Hydraulic Engineering Corp.

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Safeway Hydraulics Inc.

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 49

Western Fluidyne x

White Drive Products

White Hydraulics, Inc.

Wilkes & McLean Ltd.

William H. Nash Co., Inc. Wilson Company

Wojanis Supply Company

Womack Machine Supply Company

x x

Womack Systems, LLC World Wide Fittings Corp. World Wide Metric, Inc. Yates Industries Young Powertech

Zander, Inc. Zatkoff Seals & Packings ZEKS Compressed Air Solutions Zero-Max, Inc.

Zinga Industries Inc.

x x

ZSI

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50 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

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lui ng ali

Western Hydrostatics, Inc. Western Integrated Technologies

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Webster Instruments

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Veyance Technologies, Inc.

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/////////////

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 51

Part Two

Hydraulic Vane Understanding the

P mp

In part one of this article, which ran in the July/August issue, we looked at an introductory overview of the hydraulic vane pump. In this second and final part, we will continue the discussion and focus on application.

By P.K. Guha, Attica Hydraulic Exchange Corp. 52 | Manufacturers Directory 2010

Principles of Operation: Vane Pump The pump, being a fluid-transferring device, only carries the fluid from pump inlet to outlet, thus producing flow. Any resistance to this flow path creates pressure. A pump on its own does not deliver pressure. The system “pressure” is to be created with load/resistance at the outlet flow (Figs. 1, 2). Therefore, in order to get the best life out of a pump, it is imperative to know how a pump really works and how it produces flow. In all “intravane” and “pin-type” pumps, the rotating components are packaged into a pump cartridge. The whole cartridge is one unit and rides on the shaft spline in the pump body/housing and then bolted with a pump cover. The cartridge contains the ring, rotor, and the vanes, and is sandwiched between the inlet and outlet support plates (known as pressure and wear plates for pumps designed for industrial applications). The principle of operational concept for all types and kinds of vane pumps are the same. The differences are in the “vane” size and thickness, as well as in the running mechanism, with different surrounding body and housing. The pumping principle is one and the same. When the input power rotates the pump shaft, it rotates the pump rotor in the cartridge, which creates

the centrifugal force and throws all the vanes out of the rotor slots, tracking the pump cam ring contour. Within the pump ring, there are two sets of similar contours diametrically opposite to each other, thus creating two sets of inlet and outlet chambers within the pumping cartridge. These sets are internally connected with the main inlet and outlet of the pump. Due to the constant centrifugal force, the vanes remain extended, tracking the ring contour. Diametrically opposite to each other, each set of two vanes forms a chamber at the inlet point and creates a vacuum due to sudden opening up of the vane chamber, the vacuum pressures always being lower than the atmospheric pressure. The fluid at the pump inlet is subjected to atmospheric pressure of 14.7 psi; thus, a pressure differential is created. This condition allows the ready fluid at the pump inlet to push at 14.7 psi to fill up the vacuum within the two sets of vane chambers opposite to each other at the inlet port. As the rotor moves in one direction or the other, the vane chambers track the geometric contours in the ring and cart the fluid from the respective inlet point to outlet point and squeeze the fluid out to the main outlet. Therefore, in every rotation within the pump, there are two sets of vane chambers that carry fluid to the main outlet point, thus

transferring the fluid from one main inlet to one main outlet. Obviously the pump design always allows for microscopic oil film strength between the rotor, flex plates, and between the vane tips and the ring contour to ensure smooth lubrication and maintain a running clearance.

Vane Tip Loading During this running function, the vane tips are always subjected to the respective pressures at the inlet and outlet point within the cartridge. However, the vanes are required to be kept out, tracking the ring contour constantly, and the centrifugal force alone is not sufficient to do this job. Therefore, the design provides that the outlet pressure (that is, the system pressure) is fed under the each of the vane’s entire area to ensure proper vane tracking of the ring contour. The problem is that the vane tips, particularly at the inlet point, are subjected to vacuum pressure, and the entire under-vane area is subjected to the very high system pressure. This scenario causes a very high “vane-to-ring contour tip loading” (Fig. 3). To ensure that the pressure imbalance does not cause any excessive tip wear, the design permits that at the inlet point, only 1/4th of the area under the vane (through a vane insert) area is subjected to the system pressure, thus reducing vanewww.ifps.org | www.fluidpowerjournal.com

to-ring “tip loading” at inlet point by 75%. In intravane VQ/VHO design pumps, the entire under-vane area is subjected to either inlet or outlet pressure, based on their locations, either at the inlet or the outlet. In T6 series pumps, this phenomenon is achieved with the vane pins and vane tip contact design. The tip loading is not a problem at the outlet point because at the outlet, the complete vane tip area as well as the whole under-the-vane area are subjected to the same system pressures (outlet pressure), thus nullifying each other. However, this almost causes an imbalance situation, and any sudden surge may cause the vane to collapse at the outlet point. This causes loss of fluid volume. To avoid this problem, a design feature (an additional force “pressure drop” concept) is established in the pressure and wear plates to ensure that every vane at the outlet is remained extended to its fullest to deliver the fluid that the chamber has collected while at the inlet quadrant of the cycle. This is obtained through the pressure drop concept at the bottom of every vane. At the outlet point, the ring contours geometrically reduce, thus allowing each vane to slide down in its respective rotor slot. While sliding down, the oil is trapped underneath each vane and rotor slots and is displaced back to the pumping chamber. This displacement is achieved through a small orifice or reduced feed line, thus creating a pressure drop, which in turn acts underneath when each full vane is at the outlet point. This extra resistance due to the “pressure drop” along with the centrifugal force keeps the vane out, tracking the ring contour at the outlet points without any leakage or loss of fluid between the “ring” contour and the “vane” tip. Pump Failure Analysis Most hydraulic vane pumps used in the industry are very well designed. However, the reason for failures remains very constant and the same. Our research reveals that most of the reasons (about 90%) for all pump failures fall somewhere between the bottoms of the fluid reservoir and the pump outlet line. The following can greatly influence a premature failure of a hydraulic pump: Hydraulic reservoir size, design, and inside baffling: Inadequate baffling will allow the return of hot oil drawn into the pump. The returned hot oil has a much lower viscosity and may cause internal slippage and consequent heat. Therefore, it is always imperative that the

oil drawn into the pump must have the same viscosity as the original. This will minimize the chances of internal slippage. Return line termination location in the reservoir: The return line termination in the reservoir should be at the farthest point from the pump inlet, and the return line preferably should have a 45-degree cut at the end facing the reservoir wall. This will allow natural dissipation of

Viscosity of hydraulic oil: Proper viscosity and viscosity index of the fluid is equally important for good pump function. Lower viscosity can cause internal slippage in the pump and the consequent heat, which in turn further lowers the viscosity. This is a vicious cycle. Higher viscosity can cause clogging at the pump inlet due to heavy thickness, thus making fluid transfer difficult. The vane chambers inside the pump can go empty or partially filled. This will lead to pump cavitation. Pump inlet strainer sizing: The pump inlet strainer micronic size should not be less than 100. If a lesser micronic strainer is used, the surface area and capacity of the strainer have to be four to five times higher than the pump capacity. Generally in mobile applications, strainers are not often used, which is good and bad– good in that there is free flow to the pump inlet and no restriction, and bad because contamination has free access to the pumping chamber before the fluid goes out

Fig. 1: Balanced vane operation

heat through conduction method. Usage of diffuser: The diffuser in mobile applications is not very common; however, usage of the diffuser at the return line will soothe the return oil before it is drawn by the pump. The agitated return may also cause formation of air pockets in the oil, which will lead to pump aeration problem. Pump inlet sizing: Pump inlet pipe (ID) sizing is very important for extended pump life, and sizing must be based on the pump capacity. Lower sizing can cause throttling at the inlet point, resulting in pump cavitation. Air breather sizing: Inadequate air breather sizing or a plugged air breather on a reservoir can also lead to pump cavitation. The air breather allows atmospheric air in freely, keeping a 14.7-psi force on the surface of the reservoir fluid. This is important for the pump inlet to transfer oil to the outlet, as explained earlier.

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Fig. 2: Intravane operation to the system. Contamination is an enemy to the pumping chamber and to the entire hydraulic system. Mounting and alignment of the pump: Inadequate alignment with the prime mover and the pump shaft can cause huge side load, shaft breakage, and bearing and shaft seal failure. Periodic alignment checks are absolutely imperative to ensure that the pump is not subjected to any side load.

This occurs when the side load effect is the most. Reservoir oil temperature: Reservoir fluid temperature must be maintained to the manufacturer’s specification. Inherent generation of heat per cycle of operation in any application is a natural phenomenon. In most cases, this extra heat adequately dissipates through proper cooling. However, in some cases, due to a faulty cooling system or clogged cooling element, heat could be a concern. The heat may further reduce the viscosity of fluid, causing pump slippage and further heat. Heat will also destruct the lubrication, foam killing, and anti-oxidation additives in the fluid, thereby making the fluid even more ineffective and destroy the pump as well as other elements in the system. Most common reasons for a pump failure: 1. Inadequate hydraulic fluid and reservoir design 2. Aeration 3. Cavitation 4. Contamination 5. Excessive Pressure 6. Misalignment The first four (4) reasons are interrelated: one can cause the other. If the above simple reasons are controlled, most pumps in all types of applications will have longer life, and the machine and the industry will have higher productivity. Hydraulic Fluid The correct and proper fluid can extend the life of any pump by miles. The viscosity, the measure of viscosity index, and various additives that are added to hydraulic oil play a significant role in a healthy pump operation. Certain grades of hydraulic fluid with a specific viscosity index can’t have a specific additive for chemical reasons; therefore, choosing the appropriate fluid and considering equipment duty cycle, ambient temperature, and cooling and heating conditions is very important. One type of hydraulic oil for a specific application (for example, bulldozer or injection molding machines) in one state of a country may not be good enough for the similar application in a different state of a country. This is because of different ambient conditions in different geographical locations as well as the duty cycle of the machines and equipment. Most mobile (construction, agricultural, earthmoving) equipment is supposed to move around while operating. Therefore, these applications have a natural heat-dissipating feature built into the design. The Manufacturers Directory 2010 | 53

hydraulic fluid in such applications is subject to natural cooling. However, when equipment (for example, a pay loader) is performing while being stationary or all the industrial applications that are stationary, there is less dynamic air movement around the fluid reservoir. Thus, for such applications, a higher viscosity index fluid should be considered than for equipment like dumpers, motor graders, and the like, which are on the move most of the time while operating. However, in all industrial stationary applications, a lighter viscosity fluid could be used, as most of these hydraulic systems are safe guarded with an adequately sized heat exchanger/cooler. The hydraulic fluid in the system must always maintain the required level of lubricating, foam killing, antioxidation, and rust preventive inhibitors/additives. It should also be noted that in order to have a certain additive in higher quantities, say “lubricating” additives, the effect of certain other additives, such as “foam killing”, may not be in there to the fullest. Therefore, while choosing an adequate fluid for a specific system, all these points must be discussed with the fluid and product manufacturers. Choosing the

proper grade of fluid for any given hydraulic pump can increase the pump life significantly. Reservoir Design The design of the fluid reservoir for a hydraulic system plays a significant role, and an ill-designed reservoir can affect the pump life. This is even more critical for mobile applications than industrial ones. In mobile applications, space is always crucial, which is why the reservoir size can’t be three (3) times the pump’s capacity as recommended for industrial applications. Therefore, the positioning of the reservoir in mobile applications is very important in order to ensure that the air circulation around the reservoir is unrestricted. In addition, internal construction of a fluid reservoir in mobile equipment must ensure that the pump inlet is always flooded, even when the equipment is working in an inclined position. Inadequate reservoir design can lead to lack of heat dissipation as well as formation of air bubbles in the fluid. This in turn can cause pump aeration. Aeration Simply defined, aeration is nothing but air mixed with the hydraulic fluid. Excessive aeration causes the fluid

Fig. 3: Detailed intravane operation

to appear milky and the components to operate erratically because of the compressibility of the air trapped in the fluid. When the vane chambers in the pump carry fluid from the inlet to the outlet, the chambers get smaller and smaller. The unwanted air bubbles trapped in the chambers get compressed to tiny ones, which retain very high energy. As soon as the chamber reaches the outlet point, all the tiny air bubbles open up to the outlet access and implode at the outlet metering grove of flex/wear/ pressure plates before leaving for the system. This implosion creates a crackling noise and high temperature, and one bubble is turned into numerous bubbles, which gives the fluid a milky, frothy looking appearance. When the high-energy compressed air bubble implodes, it releases its conserved energy and hits the flex plates with high force and creates erosion marks on the plates. This phenomenon takes place diagonally opposite to each other on the plates at the outlet point. Thus, an aeration situation can cause a very high pitch “crackling” noise, which increases with the load. If the condition is allowed to go on too long, it affects cam ring contours as well as the rotor slots. The consequence is high heat, which in turn affects the fluid viscosity. Keep in mind that every 18-degree rise in the system temperature beyond the recommended limit doubles up the rate of oxidation in the fluid, which then burns many of the inherent additives. Obviously, the ultimate result is a premature pump failure. A bad reservoir design, and leaky inlet and shaft seal generally will cause aeration. Cavitation Cavitation and aeration are often misunderstood and mixed. Cavita-

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54 | Manufacturers Directory 2010

tion is nothing more than empty cavity formed in the vane chambers. It could be further defined as a condition where fluid does not entirely fill the existing space in the vane chamber when the chamber passes through the respective inlet point. How could this happen? What are the adverse effects of this condition? Normally a restricted inlet, be it a clogged inlet strainer or undersized inlet line, will cause a pump cavitation. In addition to this, a high-input RPM or highviscosity fluid can also cause a pump cavitation. In a specific capacity pump, each set of vane chambers is supposed to carry a certain amount of fluid from inlet to the outlet. Given that the pump is running at a fixed RPM, a vane chamber will spend a fixed amount of time over at the inlet quadrant. During that fixed time period, the vane chamber at the inlet quadrant is required to be fully filled with fluid to be carried over to the outlet quadrant. Under the normal circumstances, the pressure differential (as discussed earlier) will push fluid from the main inlet to the pump internal inlet quadrant. At this point, if there is any restriction, the fluid will travel slowly and the vane chambers will not get fully filled within that given time that the chambers are at the inlet quadrant. When this situation occurs, a throttling noise develops because the fluid is being throttled at the main inlet point due to the restricted inlet and/or high-viscosity fluid and over speeding. Obviously the pumps in such condition will not deliver sufficient fluid to the pump outlet, as per its designed capacity. Also, the half-filled vane chambers will not have enough lubrication between the vane tips and the ring contour, causing ripple marks. Further, the cavity formed in the vane chambers is a vacuum, which gets compressed while moving from the inlet quadrant to outlet quadrant only to be released as air bubbles. This causes similar erosion damage on flex plates, as due to aeration. Conversely, if the pump is being run at a higher RPM than it is designed for, a cavitation condition can occur. The high speed would mean that the vane chambers would go past the inlet quadrant too fast to carry the fluid from the inlet. A cavitation condition can lead to aeration situation but not the other way. Continued on page 111

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Manufacturers Directory 2010 | 55

A.R. North America Aalborg® Instruments Accuaire Instruments Inc. Accuflex

ive

ers

ipp

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A & H Fluid Technologies, Inc.

Fit

Company

Product Categories F thru P Fittings – Push-Ins to Packings – Cup

Fla

ProductMatrix

Accumulators, Inc. Adaconn

Adsens Technology Inc.

Advanced Assembly & Automation

Advanced Control Technology, Inc.

Advanced Fluid Systems, Inc. Advanced Technology Products

x x

Air Draulics Engineering Company

Air Hydraulic Systems

Air Logic Air System Products, Inc. Air-Hydraulics, Inc. Airline Hydraulics Air-Mite Devices, Inc. Airmo, Inc.

Airometrix Mfg., Inc.

Airotronics Airpot Corp. Airtec Pneumatics, Inc.

Air-Way Manufacturing Co.

AKG of America, Inc. AKZO Nobel Chemicals ALA Industries, Inc. Allen Orton LLC

Alliance Plastics

x x

Allied Fluid Conditioners, Inc. Allied Metrics Seals and Fasteners, Inc.

Alloys & Components, SW Almo Manifold & Tool Co. Alpha

A-Lube Alumi-Tec, Inc. American Chemical Technologies, Inc. American High Performance Seals, Inc. American Hydrostatics

American Sensor Technologies

Ametek Automation & Process Technologies

Ametek US Gauge

Ametek, Drexelbrook

Anderson Fittings/Trident

Anderson Metals Corp., Inc.

Anver Corp.

Apex Design Technology

API Heat Transfer Applied Industrial Technologies

Argo-Hytos, Inc. Arizona Sealing Devices, Inc.

ASA Hydraulik of America Ashcroft Inc. Assured Automation

ATEQ Corp.

Atico-Internormen-Filter, Inc.

Atlantic Hydraulics, Inc. Atos Systems, Inc. Attica Hydraulic Exchange

Automatic Valve Corp. Automation Direct

Automation Products, Inc., Dynatrol DIV.

Bailey International Corp. Barnant Company

Barrington Automation Battlefield International Inc.

x x

Baumer/Bourdon-Haenni Bay Advanced Technologies

Bay Seal Co.

x x

Behco, Inc.

Behringer Corp. Belden Americas, Hirschmann Products Belden Americas, Lumberg Products Division Bell & Gossett Beswick Engineering Co., Inc.

x x

BETE Fog Nozzle, Inc.

Biddle Precision Components Bijur Lubricating Corp.

Bimo SJ Seals Birmingham Hydraulics Inc.

x x

56 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

x x

x x x

x x

x x x

x x

x x x

x x x x x

x x x x x x

x x x x x

x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 57

Bondioli & Pavesi, Inc. Bosch Rexroth Corporation, Pneumatics Brand Hydraulics Bray Controls, Div of Bray International Brennan Industries, Inc.

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Company

Product Categories F thru P Fittings â&#x20AC;&#x201C; Push-Ins to Packings â&#x20AC;&#x201C; Cup

Fla

ProductMatrix

Brevin USA Briggs Company, The

Bucher Hydraulics, Inc.

Buckeye Rubber & Packing Co.

Burkert Fluid Control Systems

x x

Cameron Measurement Systems division Camozzi Pneumatics, Inc. Canimex, Inc. Carolina Fluid Components

x x

Castle Metals CAT PUMPS Catey Controls - A Womack Company

x x

CEJN Industrial Corporation

Certified Power, Inc.

Checkfluid Inc. Circle Seal Controls

Clinton Industries Clippard Instrument Lab., Inc.

x x

Coilhose Pneumatics

Colonial Seal Co.

Command Controls Corporation Component Technology, A Div. Of Certified Power, Inc.

Compri Technic Continental Hydraulics Control Enterprises, Inc. Control Line Equipment, Inc. Control Steel & Wire Company ControlAir, Inc. Controlled Motion Solutions, Inc.

x x

Controlotron Corporation

Cooper Instruments

COX Instruments

CPV Manufacturing, Inc. Crest Rubber Co.

Cross Manufacturing Inc. CRS Service, Inc. Custom Hydraulics, Inc.

Cyber-Tech Inc. Dakota Fluid Power

Dalton Electric Heating Co., Inc. Daman Products Co. Inc. Danz Tech Corporation Datum-A-Industries, Inc. Dees Fluid Power

Del Equipment Limited DEL Hydraulics, Inc.

Delaware Manufacturing Industries Corporation Delta Computer Systems, Inc. Deltrol Fluid Products Denison Hydraulics Inc. Des-Case Corp.

De-Sta-Co Industries

Devcon

Dichtomatik Americas

Differential Pressure Plus, Inc. Ditch Witch Dixon Valve and Coupling Company

x x

Doering Company domnick hunter inc. Donaldson Company Inc., Industrial Hydraulics

x x

Dresser Instrument DTS Fluid Power, LLC

Duplomatic - UHI Dura-Bar Durex Industries Dwyer Instruments, Inc.

Dynamic Fluid Components, Inc.

Dynex/Rivett Inc. EAO Switch Corporation Eaton Corporation

Eaton Hydraulics

Eldon James Corporation

Elect Air

EMMEGI Heat Exchangers, Inc. Endress & Hauser, Inc.

x x

58 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

x x

x x x

x x

x x x

x x

x x x x

x x x

x x

x x x

x x

x x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 59

Engineered Specialty Products, Inc. Entran Devices, Inc. Entwistle Co., Kenett Hyd. Distribution Div. Eskridge, Inc. Europower Inc.

He at Ex ch an He ge at rs Ex -H ch yd an rau He ge rs ate lic rs Hy -H dra yd He uli rau c( ate cu lic rs sto Flu -O m) id il He ate rs -C Hi oo gh lan Pe t rfo rm an ce Co ati ng s

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EVCO Sealing Systems Evonik Rohmax USA, Inc. EXAIR Corporation ExpresSeal

Fabco-Air, Inc. Fairview Fittings & Manufacturing Inc.

x x

Falk Corporation

Faster Inc. Festo Corporation

FHI-Steffen, Inc. Filtration Products Corp.

FLANGES LLC

Flaretite Inc.

Fleetguard, Inc.

Flexicraft Industries Flextral

x x

Flint Hydraulics, Inc.

Flint Hydrostatics, Inc.

Flo-Draulic Group

Flodyne Controls, Inc. Flow Technology

Flowmetrics, Inc.

Fluid Design Products, Inc.

Fluid Line Products Inc. Fluid Motion Sales, Inc. Fluid Power Associates, Inc.

Fluid Power Connectors, LLC

Fluid Power Inc.

Fluid Power Products Fluid Power Sealing Fluid Systems Partners US, Inc. Fluid Tech, LLC

x x

Fluidtechnik USA, Inc.

Force America

Foster Manufacturing Co., Inc. Franklin Electrofluid Co., Inc.

x x

Freelin-Wade FUTEK Advanced Sensor Technology, Inc. Galland Henning Nopak, Inc. Galtech Canada inc. Garlock Sealing Technologies

Gates Corporation Gear Products Inc.

Geartek Gems Sensors & Controls

Gezon Industrial Surplus

Go Regulator

Goodway Technologies Corp. Goodyear Tire and Rubber Company

Greenco Corp. GS Hydraulics, Inc.

x x

GS-Hydro U.S. Inc. Hach Company

Hagglunds Drives Inc.

Haldex Hydraulics Corporation Hannay Reels, Inc. Hartford Technologies, Inc.

Hartman Controls, Inc. Harvard Corporation

Hauhinco Hawe Hydraulics Haydon Switch & Instrument, Inc. Heco Gear Hedland Flow Meters

x x

Helicoid Instruments Div. of Bristol Babcock

Helium Leak Testing, Inc.

x x

Hercules Hydraulics

Hercules Sealing Products

High Country Tek, Inc. High Pressure Equipment Company

Hi-Tech Hose, Inc. HKX - Hydraulic Kits for Excavators HMF Innovations, Inc. Hoffer Flow Controls

Honeywell Sensing and Control

60 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

x x

x se

x x

x x x

x x

x x x x

x x x

x x

x x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 61

Honeywell Sensotec Houghton International Inc. Houston Hydraulic Huey Fluids Inc. Humphrey Automation

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He at Ex ch an He ge at rs Ex -H ch yd an rau He ge rs ate lic rs Hy -H dra yd He uli rau c( ate cu lic rs sto Flu -O m) id il He ate rs -C Hi oo gh lan Pe t rfo rm an ce Co ati ng s

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ProductMatrix

Humphrey Products

HUSCO International Hydac International

Hydac Technology Corp.

Hydra-Check

Hydra Dynamic Systems Inc. Hydradyne Hydraulics

HydraForce, Inc. Hydramation, Inc.

Hydra-Power Systems Inc. Hydraquip Corporation

x x

Hydraulic Component Services, Inc.

Hydraulic Parts Source

Hydraulic Solutions Inc.

Hydraulic Specialty Co.

Hydraulic Warehouse Inc. Hydraulics International, Inc.

Hydrauliques Continental, Inc. Hydro Air Dees

Hydro Air Hughes - Clarence, NY

Hydro Air Hughes - North Haven, CT

Hydronic Corporation Hydrotech, Inc.

HyPower Hydraulics Hy-Pro Filtration

HYVAIR Corp

IC Fluid Power, Inc. Iconics IHD, Incorporated

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62 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

Request more information at www.fluidpowerjournal.com

x x

x x x x x x x x x x x x x x x x x x x x x

x x x x x x x

x x x

x x

x x x x

x x

x x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 63

Industrial Specialties Mfg. Innotek Corporation Innovative Hydraulic Designs, Inc. Inserta Products, Inc.

ive

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ipp

He at Ex ch an He ge at rs Ex -H ch yd an rau He ge rs ate lic rs Hy -H dra yd He uli rau c( ate cu lic rs sto Flu -O m) id il He ate rs -C Hi oo gh lan Pe t rfo rm an ce Co ati ng s

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IMI Norgren Inc.

Fit

Company

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Fla

ProductMatrix

Integrated Hydraulic Technologies, Inc.

Integrated Hydraulics, Inc. Interface Devices, Inc. Interface Solutions, Inc.

International fpa

Internormen Technology Inc.

InterTech Development Company ITT Industries

ITW Devcon

ITW Vortec

J.D. Jones & Co. (P) Ltd.

J.E. Myles, Inc.

J.M. Grimstad Inc.

J.R. Merritt Controls, Inc. J.W.F. Technologies

JEM Technical

JLM Systems Limited John Guest USA, Inc.

x x

Kaeser Compressors, Inc.

Karlsson/USA Kawasaki Precision Machinery (U.S.A.), Inc. Kaydon Custom Filtration Corp.

Keller America Inc. Kent Fluid Power

Key Instruments

x x

Kim Hotstart Mfg. Knotts Co., Inc., The

Kobold Instruments Inc. Kraft Fluid Systems, Inc.

x x

KTI Hydraulics, Inc. Kuriyama of America Inc. Kurt Hydraulics

x x

Kurz Instruments, Inc. KV Pneumatics Inc.

KYB America LLC Lake Monitors

LA-MAN Corporation LDI Industries, Inc.

Lee Co., The Legris Inc.

x x

Lehigh Fluid Power, Inc. Lenz Inc.

Lexair. Inc. Lillbacka USA, Inc. Lincoln Industrial

Liquid Controls, LLC Livingston & Haven

Lovejoy Hydraulics

x x

Lumberg Inc.

Lynch Fluid Controls

x x

MacMillin Hydraulic Engineering Corporation Magnetek Main Mfg. Products Inc.

Marathon Electric Marion Fluid Power

Marion Mfg.

Marken Mfg. Marsh Bellofram

Marshall Metal Products Inc. Marsh-McBirney Inc.

Marzocchi Pumps USA Corp. Master Pneumatic-Detroit, Inc. Maverick Hydraulics and Machining Max Machinery, Inc. Maxpro Technologies, Inc. Mead Fluid Dynamics, Inc.

x x

Med-Kas Hydraulics, Inc. Metallized Carbon Corporation

Metro Machine & Engineering

MICO, Incorporated

Micro Motors, Inc. Micro Mini Hydraulics

Midland - ACS North America Midland Metal Mfg.

64 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

Lutz Pumps, Inc. M & M Rogness

x x

x x x

x x

x x x

x x

x x x

x x

x x x

x x

x x x

x x

x x x

x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 65

ive

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Moog MRM Incorporated

Monarch Hydraulics, Inc.

Minnesota Rubber and Plastics

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Product Categories F thru P Fittings – Push-Ins to Packings – Cup

Fla

ProductMatrix

Motion Industries, Inc.

Motoman Inc.

MP Pumps, Inc.

MTE Hydraulics, Inc. MTS Systems Corp.

Nachi America NC Servo Technology Neptune Chemical Pump Co., Inc. NewAge Industries Inc.

New Pig Corp.

Nike Hydraulics Inc.

Norgren

Norman Equipment Company

x x

North Coast Seal, Inc. Northwest Swiss-Matic, Inc. Noshok, Inc. Nutron Motor Co. Nycoil Company

OEM Controls, Inc. Oetiker Inc. Oiles America Corporation Oilgear

Oil-Rite Corporation

O’Keefe Controls Co.

Omega Engineering, Inc.

Open Loop Energy, Inc.

Orange Research

x x

Ossco Bolt & Screw Company Pabco Fluid Power Co.

Pace Mfg. Inc. Pall Corp.

Palmer Wahl

Pamark, Inc Parker Hannifin

Parker Hannifin Corp. - Finite Filter Operation Parker Hannifin Corp. - Hose Products Div. Parker Hannifin Corp. - Quick Coupling Division

Parker Hannifin Corp. - Seal Group Parker Hannifin Corp. - Tube Fittings Division

Parker-domnick hunter Parker-Zander PCB Piezotronics, Inc.

Peninsular Cylinder Co., In.c PHD, Inc.

PIAB Vacuum Products

Pirtek USA Pisco USA, Inc.

Pneumadyne Inc.

Pneumatics, Hydraulics, & Abrasives (PHA, Inc.)

x x

Poclain Hydraulics, Inc. Porous Media Corp. Positech Corporation

Power Systems

Precision Filtration Products

Precision Industries

x x

Precision Instrument Company Precix

Pressroom Electronics Pressure Components, Inc. Pressure Connections Corp.

x x

Pressure Systems, Inc.

PRIME Measurement Products, LLC

Prince Mfg. Corp.

Proportion-Air, Inc.

Puregas Quaker Chemical R J Hydraulics Inc.

Racine Flow Meter Group

x x

Ram Industries Inc. RB Royal Industries, Inc. Reelcraft Industries Rego Cryo-Flow Products

x x

Rineer Hydraulics Robeck Fluid Power Co.

Ross Controls® Rotary Power, Inc.

66 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

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x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 67

RYCO Hydraulics, Inc. S. Himmelstein & Co. SAI Hydraulics, Inc.

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Sauer-Danfoss SC Hydraulic Engineering Corp. Schmalz, Inc.

Schroeder Industries LLC

Schrupp Industries, Inc.

Schunk Inc.

Scorpion Technologies Scott Rotary Seals SCR Dynamics Seal Master Corporation

Sensotec, Inc.

Serfilco, Ltd.

Servometer-PMG, LLC

S. G. Morris Co., Cleveland, OH

S. G. Morris Co., Toledo, OH

S. G. Morris Co., Pittsburgh

S. G. Morris Co., Huntington, WV

Sheffer Corp. Sierra Instruments, Inc.

Simplex Div. Templeton, Kenly & Co., Inc. Simrit

SIPCO Mechanical Linkage Solutions SMC Corporation of America

Snap-tite Source Fluid Power Spartan Scientific Spectronics Corporation Spencer Fluid Power

SPIR STAR

Spirax Sarco

SPX Fluid Power

SRS Crisafulli SSP Fittings Corporation Stafford Manufacturing Corp. Stanley M. Proctor Company

Stauff Corporation

Stelmi America Inc. Sterling Hydraulics Strahman Valves, Inc. Sunfab North America Sun Hydraulics Corporation

Tarrant Hydraulic Service, Inc.

Techno-Sommer

Terrell Manufacturing, Inc. Tescom Corp.

Texacone Co., The Thomas Products LTD

Thompson Dayton Steel Service Titan Worldwide Inc. Tobey Mfg. Co., Inc. Ferderal Brass Div.

Tolomatic, Inc.

Tompkins Industries Inc. TPC Pneumatics

Trelleborg Sealing Solutions

Trico Corporation Tri-Line Automation Corp.

x x

Triple R Oil Cleaner Tuthill Transfer Systems UFI Filters Division - UHI Ltd.

Ultra Clean Technologies Corp.

Ultraflo Corporation, A Subsidiary of Bray Int’l. Uniflex of America Union Carbide Corp. United Electric Controls Co.

Universal Filter Int’l - UHI

Universal Flow Monitors, Inc. Universal Grinding Corporation

x x

Universal Hydraulics Int’l LTD

x x

Vaccon Company

Valve Check Inc. Van Hydraulics

Veljan Hydrair Pvt. Ltd. Ventura Hydraulic & Machine Works, Inc.

Vescor Corporation Veyance Technologies, Inc.

x x

Vickers-Warnick

68 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 69

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Vindum Engineering

Vitto Accetta

Von Ruden Manufacturing Inc.

Vonberg Valve, Inc. Voss Fluid GmbH

Wandfluh of America, Inc. Warren Electric Corp.

Webster Instruments

Weiss Instruments, Inc.

Western Fluidyne Western Hydrostatics, Inc. Western Integrated Technologies

White Drive Products White Hydraulics, Inc. Whitman Controls Corp.

Wika Instrument Corp. William H. Nash Co., Inc.

Wilson Company

x x

Winters Instruments Inc. Wojanis Supply Company

Womack Machine Supply Company

x x

Womack Systems, LLC World Wide Fittings Corp.

World Wide Metric, Inc.

Yates Industries Young Powertech

Young Touchstone

Zander, Inc. Zatkoff Seals & Packings

ZEKS Compressed Air Solutions Zenith Pumps Div., Parker Hannifin Corp.

Zinga Industries, Inc. ZMC Corporation Marzocchis MT 2008 ZSI

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For more information, call us at 800-924-5404 or visit www.marzocchipumpsusa.com Request more information at www.fluidpowerjournal.com

70 Marzocchis | Manufacturers Directory MT-HalfPg_FPJ.indd 1 2010 | www.fluidpowerjournal.com | www.ifps.org

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x x

x x x

x x

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x x x x

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x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 71

FigureItOut igureItOut!

Robert J. Sheaf, Jr. | CFPAI, CFPAJPPCC, CFPAJPP, CFPE, CFPMIH, CFPMIP, CFPMMH, CFPMM, CFPMT, CFPS, CFPCC | CFC-Solar, Inc., www.cfc-solar.com, rjsheaf@cfc-solar.com

New Problem:

Previous Problem: Vane Pump

Varnish Build-Up Problem

Failures on a Compactor (from the July/August 2010 issue)

A customer requested our help in finding the cause of excessive varnish build-up on pilot pressure filters used in several Rexroth servo valves. Our inspection of the hydraulic circuit drawings showed the overall systems were well protected with pressure, return, and component filters. These filters had good beta ratio numbers, high-quality manufacture, and more than adequate cooling capacity. A site visit was made expecting to find excessive oil temperatures or a past history of periods where the systems overheated. The excessive varnish seemed to be concentrated between the component filters and the servo valves with the servo valve pilot filter clogging up and affecting the servo performance. On the day of inspection, the system temperature was in the 100°F to 105° F temperature range--far below temperatures that cause oil varnishing. Inspection of computer records didn’t show any temperature anomalies. A call to the oil manufacturer found the oil used wouldn’t show signs of varnish until temperatures reached 160° to 170° F. The oil and/or excessive temperature didn’t seem to be the problem. We did find that on occasion, the component filter was not changed when the visual dirt alarm was tripped. When they were finally changed, they would find the element had collapsed since the filter housing wasn’t equipped with a bypass check. Pressures and flows all seemed to be reasonable and well below maximum limits for the piping and filter elements. Any idea what was causing the varnish?

A scrap yard has a metal compactor that is fed by a large metal shredding machine driven by a 1500-hp electric motor. The compactor has a three-bank series manifold with DO5 directional valves incorporating A & B meterout flow controls. Circuit relief valves are used on all the A & B lines to protect the vane pumps and reduce energy consumption. Only one circuit at a time is engaged during operation and each function operates at a different pressure. The PLC program was checked and verified that all the interlocks would only let one function operate at a time. The lowest relief valve was set at 600 psi while the highest relieved at 2100 psi. The idea was to use meter-out flow controls and set the various relief valves approximately 150 psi above the cylinder and motor requirements so the various circuit relief valves would reduce the heat generated when the unit operated. Workers were taught that flow controls cause heat and if possible, it was best to keep relief valves set as low as possible and flow controls as open as possible to get the required speeds. The workers were having problems with the vane pumps not lasting more than one to two months and sometimes only a week or two. The repair shop determined that the failure was due to excessive pressures. The side plates were “smearing” the ends of the vanes and rotor, as well as destroying the brass coating on the end plates. However, there were no signs of cavitation or aeration, and there wasn’t any scaring on the inside face of the rings or tips of the vanes. All of the relief valve pressures were verified, and none were found to be out of adjustment. Any idea what could be causing the problem?

Answers and comments may be submitted to Robert Sheaf at rjsheaf@cfc-solar.com.

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Solution:

The idea of reducing the pump pressure for each different circuit reducing the heat generated was a good target to shoot for. Everyone has different ideas on how to best design systems. However, it might have been a good application for load sensing a main relief and reducing the number of circuit relief valves. Unfortunately, many times the field technician does not have the criteria used in the original design, and there may have been a solid reason for a particular arrangement. However, the problem with this design was the selection of the spools for the directional valves. Most sliding spool valves have five possible positions they could either stop in or stick in. In other words, as they start to shift, what happens while they are shifting? Three-position valves have two transition positions. Normally, two-position valves never stop in the center position, so they have three transition positions. Are all of the ports blocked or open during transition or crossover? The three-position valves did have open transitions, but the twoposition valve had all the transition positions blocked. The valve they selected had a closed transition or crossover condition that caused the pump pressure to spike beyond the pressure rating of the pump. The simple solution was to change the two-position directional valve with one that had open transitions and add a main system pressure relief set 150 psi above the highest circuit relief setting. Crossover positions, even if they are only milliseconds long, create a danger, especially when troubleshooting and manually shifting the valve through these positions.

Request more information at www.fluidpowerjournal.com

72 | Manufacturers Directory 2010

www.ifps.org | www.fluidpowerjournal.com

Ernie Parker, AI, AJPP, AJPPCC, S, MT, MM, MIH, MIP, MMH Fluid Power Instructor, Hennepin Technical College, EParker@Hennepintech.edu

This Issue

AirTeaser Problem: Calculate the saving for one year by using Circuit “B” over Circuit “A.” • Cost of air is based on $.30/1000 scfm. • Clamping force is 220 pounds. • System operates 12 times/minute. • Extending pressure is calculated using a required force of 220 lbs for Circuit “B.” • Circuit “A” uses ¼" diameter ID hoses that are 10-feet long between the directional control valve and the cylinder. • Circuit “B” has ¼" hose x 10 feet long from the power supply to the regulators. • The DC valve is mounted directly on the cylinder, and consider no length of hose from valve to cylinder. • 20 psi is required for retracting.

Previous Problem: (from Off-Highway Suppliers Directory issue) Anchored to wall Anchored to wall R 5" R 5"

Cylinder has a one-inch diameter rod. Find the required diameter and stroke to lift the load 8 feet with 100 psi. Assume 75% efficiency.

The cylinder is working at a 2:1 mechanical disadvantage and will pull twice the weight of the load and ½ of the distance. Stroke of the cylinder will then be 4 foot or 48 inches. Sizing of cylinder: F = PA Force on cylinder: 1000 lbs., Pressure is 100 psi. A = 1000/100 or 10 square inches EREA at 100% efficiency. 10 sq. in. / 75% efficiency = 13.33 sq. in. EREA 13.33 + 0.7854 (area of the rod) = 14.1 sq. in. cylinder A = D x D x 0.7854 or =

D = 4.24 inches

500 pounds

NOTE: If you take the 10 sq. in. of required area and add the 0.7854 sq. in. rod area, and then /75%, you will then get 4.28 for a diameter. This is technically incorrect, because you are adding the inefficiency to the size of the rod also. One may also use the 1000 lb. load and divide by 75 psi and again get 13.33 sq. in. EREA and then finish the problem as above. The teaser is posted on the IFPS Web site (www.ifps.org) and also printed in the Fluid Power Journal. Submit your information via the Web site, or fax it to 856-424-9248 attn: Donna Pollander. Anyone who submits the correct answer before the deadline date will have his/her name printed in the Society Page newsletter and in Fluid Power Journal. The winner will also be entered into a drawing for a special gift. Request more information at www.fluidpowerjournal.com

www.ifps.org | www.fluidpowerjournal.com

Manufacturers Directory 2010 | 73

A.R. North America Aalborg® Instruments ABZ Inc Accumulators, Inc.

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Company

Product Categories P thru S Packings – Diaphragms & Sheet to Switches

ProductMatrix

ACE Controls Inc. Adsens Technology Inc.

Advance Motion Controls, Div of Devine Hydraulics, Inc.

Advanced Control Technology, Inc.

Advanced Fluid Systems, Inc. Air Draulics Engineering Company Air Hydraulic Systems

x x

Air Logic

Airline Hydraulics Airmo, Inc.

Airometrix Mfg., Inc. Airotronics Airpot Corp. Airtec Pneumatics, Inc.

Air-Way Manufacturing Co. ALA Industries, Inc.

Allen Orton LLC

x x

Allenair Corp.

Alliance Plastics Allied Metrics Seals and Fasteners, Inc.

x x

Alloys & Components, SW

American Cylinder Company, Inc. American High Performance Seals Inc.

American Hydrostatics

American Sensor Technologies, Inc.

AMETEK Automation & Process Technologies Ametek US Gauge Ametek, Drexelbrook Animated Software Co., The Anver Corp.

Apex Design Technology

APM Hexseal Apple Rubber Products, Inc. Applied Industrial Technologies

Argo-Hytos, Inc.

Arizona Sealing Devices, Inc.

ASA Hydraulik of America ASCO Numatics Ashcroft, Inc. Astrodyne Corp.

Atico-Internormen-Filter, Inc. Atlantic Hydraulics, Inc.

Atos Systems, Inc.

Attica Hydraulic Exchange

Autoclave Engineers FCD

x x

Automatic Valve Corp. Automation Direct AZ Hydraulic Engineering Inc.

Bachus Co., Inc. Bailey International Corporation

Balluff Inc. Bal Seal Engineering, Inc. Barnant Company

Barrington Automation Battlefield International Inc. Baumer/Bourdon-Haenni

Bay Advanced Technologies

x x

Bay Seal Co. Behco, Inc.

Bell & Gossett

Beswick Engineering Co., Inc.

Bijur Lubricating Corp.

Bimo SJ Seals

BJM Pumps Bondioli & Pavesi, Inc.

Bosch Rexroth Corporation, Pneumatic Brand Hydraulics Bray Controls, Div of Bray International Brennan Industries, Inc. Brevin USA

Briggs Company, The

BSF, inc. Bucher Hydraulics, Inc. Buckeye Rubber & Packing Co.

x x

Burkert Fluid Control Systems

74 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 75

Cameron Measurement Systems division Canfield Connector Canimex, Inc. Carolina Fluid Components

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ProductMatrix

Castle Metals

CAT PUMPS

Catey Controls - A Womack Company

Certified Power, Inc.

Circle Seal Controls Clark-Cooper Div. of Magnatrol Valve Corp. Clippard Instrument Lab., Inc. co-ax valves inc. Coilhose Pneumatics Colonial Seal Co.

Command Controls, Inc. Component Technology, A Div. Of Certified Power, Inc.

Continental Hydraulics

Control Line Equipment, Inc. Control Products, Inc. ControlAir, Inc. Controlled Motion Solutions, Inc.

Controlotron Corporation

Cooper Instruments

COX Instruments Crest Rubber Co.

Cross Manufacturing Inc.

CRS Service, Inc.

Crucial, Inc.

Custom Hydraulics, Inc.

Custom Sensors & Technologies (CST) Cyber-Tech Inc. Dakota Fluid Power

Danz Tech Corporation

Dees Fluid Power

x x

Del Equipment Limited

x x

DEL Hydraulics, Inc. Delaware Manufacturing Industries Corporation

Delta Computer Systems, Inc. Delta Q Corporation

Denison Hydraulics Inc.

Des-Case Corp. Deschner Corp. De-Sta-Co Industries

Devcon Dichtomatik Americas

Differential Pressure Plus, Inc.

Ditch Witch Dixon Valve and Coupling Company Doering Company domnick hunter inc. Donaldson Company Inc., Industrial Hydraulics Dresser Instrument DTS Fluid Power, LLC

Duplomatic - UHI

Durex Industries Dwyer Instruments, Inc.

Dynamic Fluid Components, Inc.

Dynex/Rivett Inc.

EAO Switch Corporation Eaton Corporation

Eaton Hydraulics

Eco Seal Tech., Inc. Elect Air

Electroswitch Elwood Corporation Emerson Process Mgt.-Valve Automation

Endress & Hauser, Inc.

Energy Manufacturing Co., Inc.

EnerSys

Enertrols Enfield Technologies Engineered Sales Inc. Engineered Specialty Products, Inc.

Enidine Incorporated Entran Devices, Inc.

Entwistle Co., Kenett Hyd. Distribution Div. Escort Seal (USA) Co. LTD. EVCO Sealing Systems

x x

Evolutionary Concepts, Inc.

76 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 77

ExpresSeal Fabco-Air, Inc. Fairchild Semiconductor Fairview Fittings & Manufacturing Inc.

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Exair Corp.

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ProductMatrix

Falk Corp.

Famic Technologies Inc. FasTest Inc. Festo Corp.

FHI-Steffen, Inc.

Filtration Products Corp. Flaretite, Inc. Flint Hydraulics, Inc. Flint Hydrostatics, Inc.

Flo-Draulic Group

Flodyne Controls, Inc. Flo-Tork, Inc.

Flow Ezy Filters, Inc. Flow Technology Fluent Inc. Fluid Design Products, Inc.

Fluid Energy Controls, Inc.

Fluid Line Products Inc. Fluid Motion Sales, Inc.

Fluid Power Associates, Inc.

Fluid Power Connectors, LLC

Fluid Power Inc. Fluid Power Sealing

x x

Fluid Systems Partners US, Inc. Fluid Tech, LLC

Fluidtechnik USA, Inc.

Force America

Franklin Electrofluid Co., Inc.

x x

Freelin-Wade FUTEK Advanced Sensor Technology, Inc. Galland Henning Nopak, Inc. Galtech Canada inc.

Gardner Denver

Garlock Sealing Technologies

Gast Mfg. Inc., A Unit of IDEX Corp.

Geartek Gefran ISI, Inc.

Gems Sensors & Controls

Gezon Industrial Surplus

Go Regulator GO Switch Goodyear Tire and Rubber Company

Granzow Inc.

Grimstad Co., The Grindex Pumps

GS Hydraulics, Inc.

Hach Company Hagglunds Drives Inc.

Haldex Hydraulics Corporation

Hallite Seals, Inc. Hanna Cylinders Hartman Controls, Inc. Harvard Corp. Harwil Corporation Haskel International, Inc.

Hauhinco

Hawe Hydraulics

Haydon Switch & Instrument, Inc. Heinrichs USA LLC Helicoid Instruments Div. of Bristol Bobcock

Helium Leak Testing, Inc. Hennells Cylinders

Hercules Hydraulics

Hercules Sealing Products

x x

x x x

Herion USA, Inc. Hiblow USA

High Country Tek, Inc. Hi-Tech Instrument Corp. (HTI)

HMF Innovations, Inc. Hobbs Corp. Honeywell Sensotec Honor Gear Pumps Corporation

Honor Pumps U.S.A Horizon Hydraulics, Inc. Houston Hydraulic

78 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

x x

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x x x

x x

x x x

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////////////////// x

www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 79

Humphrey Products Hyco International Inc. Hydac International Hydac Technology Corp.

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Humphrey Automation

Company

Product Categories P thru S Packings â&#x20AC;&#x201C; Diaphragms & Sheet to Switches

ProductMatrix

Hydra-Check Hydra Dynamic Systems Inc.

Hydradyne Hydraulics

Hydramation, Inc.

Hydra-Power Systems Inc.

Hydraquip Corporation

x x

Hydrasoft Corporation Hydraulic Component Services, Inc.

Hydraulic Parts Source

Hydraulic Repair & Design, Inc.

Hydraulic Rod Pumps, Int.

x x

Hydraulic Solutions Inc.

Hydraulic Specialty Co.

Hydraulic Warehouse Inc. Hydraulics International, Inc.

Hydrauliques Continental, Inc.

Hydro Air Dees

x x

Hydro Air Hughes - Clarence, NY

Hydro Air Hughes - North Haven, CT

HydroCAD Hydronic Corporation

Hydro-Pac, Inc.

Hydrotech, Inc. HyPower Hydraulics

Hy-Pro Filtration HYVAIR Corp

IC Fluid Power, Inc.

Iconics IFM Efector Inc.

IHD, Incorporated

IMI Norgren Inc.

IMPCO, Inc. Industrial Hydraulic Services

Industrial Specialties Mfg. Innovative Hydraulic Designs, Inc.

Integrated Hydraulics, Inc. Integrated Technologies, Inc. Interchange, LLC

Interface Devices, Inc.

Interface Solutions, Inc. International fpa

Internormen Technology GmbH Internormen Technology Inc. Inventive Resources, Inc. IQ Valves ITT Industries

ITW Devcon ITW Vortec

J.D. Jones & Co. (P) Ltd.

J.E. Myles, Inc.

J.M. Grimstad Inc.

J.R. Merritt Controls, Inc. J.W.F. Technologies

JEM Technical

x x

JLM Systems Limited John Crane

John Kopplin Co. Kaeser Compressors, Inc. Kavlico Corporation Kawasaki Precision Machinery (U.S.A.) Inc. Kaydon Fluid Power Group

x x

Keller America Inc.

Kent Fluid Power

Knotts Co., Inc., The

Kobold Instruments Inc.

Kraft Fluid Systems, Inc.

KTI Hydraulics, Inc.

Kurz Instruments, Inc. KV Pneumatics Inc.

KYB America LLC

LDI Industries, Inc.

Lee Co., The Lee Controls, Inc. Legris Inc. Lehigh Fluid Power, Inc.

80 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

x x x

x x

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x x x

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////////////////// x

www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 81

Lincoln Industrial Lindberg Fluid Power Liquid Controls, LLC Livingston & Haven

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Lenz Inc.

Company

Product Categories P thru S Packings – Diaphragms & Sheet to Switches

ProductMatrix

Lovejoy Hydraulics

Luceda, Inc. Lumberg Inc.

Lutz Pumps, Inc. Lynch Fluid Controls

M & M Rogness

x x

Machinery Service and Design MacMillin Hydraulic Engineering Corporation

Macro Sensors Madison Company Magnaloy Coupling Co.

Magnatrol Valve Corp. Magnetek

Magnetrol International, Inc.

March Mfg Inc.

Marion Fluid Power

Marion Mfg. Co.

Marmon/Keystone Corporation

Marsh Bellofram

Marzocchi Pumps USA Corp.

Master Pneumatic-Detroit, Inc. Maverick Hydraulics and Machining Maxpro Technologies, Inc.

Mead Fluid Dynamics, Inc. MICO, Incorporated

Micro Pneumatic Logic

Micro Mini Hydraulics

Micropump, Inc.

Midland - ACS North America

Midland Metal Mfg. Mid-West Instrument

Milton Roy

Milwaukee Cylinder

Minnesota Rubber and Plastics Miratron

M.M. Newman Corporation

Monarch Hydraulics, Inc.

Monnier, Inc. Moog

Motion Industries, Inc.

MP Filtri USA MP Pumps

MRM Incorporated MTE Hydraulics, Inc.

MTS Systems Corp.

x x

Myron L. Company Nachi America Nass Controls NC Servo Technology Neptune Chemical Pump Co., Inc.

Netzsch Incorporated New Pig Corp.

Nike Hydraulics Inc. Norgren

Norman Equipment Company

Norman Equipment Company Power Unit Division

North Coast Seal, Inc.

Northlake Steel Corporation

Noshok, Inc.

Novotechnik US Inc. Nutron Motor Co.

Nycoil Company

OEM Controls, Inc. Ohio Fluid Products

Oilgear

Oil-Rite Corporation O’Keefe Controls Co.

Omega Engineering, Inc.

Omnex Control Systems, Inc. Ono Sokki Technology, Inc. Open Loop Energy, Inc.

Orange Research Pabco Fluid Power Co.

x x

Pall Corp. Palmer Wahl

82 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

x x

x x x

x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 83

Parker Hannifin Parker Hannifin Corp. - Automation Group Parker Hannifin Corp. - Finite Filter Operation Parker Hannifin Corp. - Hydraulic Filter Div.

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Paragon Technologies

Company

Product Categories P thru S Packings – Diaphragms & Sheet to Switches

ProductMatrix

Parker Hannifin Corp. - Hydraulic Pump Division Parker Hannifin Corp. - Seal Group

PCB Piezotronics, Inc. Peninsular Cylinder Co., Inc.

PHD, Inc. PIAB Vacuum Products

Pinnacle Systems, Inc. Pisco USA, Inc. Pneumadyne Inc.

Pneumatic Solutions Inc.

Pneumatics, Hydraulics, & Abrasives (PHA, Inc.)

x x

Poclain Hydraulics, Inc. Polygon Co.

Porous Media Corp. Poweram, Inc.

Powerex, Inc. Power Systems

Precision Filtration Products

Precision Industries

x x

Precision Instrument Company

x x

Precix, Inc. Prelude Systems, Inc. Pressroom Electronics PRIME Measurement Products, LLC

Prince Mfg. Corp.

Proportion-Air, Inc.

PSI-Tronix Technologies, Inc.

Puregas Quality Control Corporation R J Hydraulics Inc.

x x

Ram Industries Inc.

Ramco Innovations

Rectus-TEMA Renco Inc. Revere Transducers Rexroth Corporation

Rietschle Thomas Robeck Fluid Power Co.

Ross Controls® Rotary Power, Inc. Rotary Systems, Inc. RR USA, Inc.

SAI Hydraulics, Inc.

x x

Sauer-Danfoss

SC Hydraulic Engineering Corp.

Schmalz, Inc.

Schroeder Industries

Schrupp Industries, Inc.

Schunk Inc. Seal Master Corporation Senior Aerospace Metal Bellows Sensor Systems LLC Sensotec, Inc.

Serfilco, Ltd.

Servometer-PMG, LLC S. G. Morris Co., Cleveland, OH

S. G. Morris Co., Toledo, OH

S. G. Morris Co., Pittsburgh, PA

S. G. Morris Co., Huntington, WV

Sherex Industries Sick Inc. Sierra Instruments, Inc. Simplex Div. Templeton, Kenly & Co., Inc. Simrit

x x

SIPCO Mechanical Linkage Solutions Smalley Steel Ring Co. SMC Corporation of America Source Fluid Power

Spartan Scientific Specialty Mfg. Co., (SMC), The Spencer Fluid Power

Spirax Sarco

Springer Co-Ax, Inc. SPX Fluid Power SRS Crisafulli

84 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

x x

x x x

x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 85

Stauff Corporation Stelmi America Inc. Sterling - PCU Sunfab North America

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Stanley M. Proctor Company

Company

Product Categories P thru S Packings – Diaphragms & Sheet to Switches

ProductMatrix

Sun Hydraulics Corporation

Switching Solutions, Inc.

Symcom, Inc. Tarrant Hydraulic Service, Inc.

Taylor Devices, Inc. Tescom Corp. Texacone Co., The Thomas Industries, Inc. Thomas Products LTD Titan Worldwide Inc. T-Lon Products Inc.

Tobul Accumulator, Inc. Topworx TPC Pneumatics

TR Engineering Inc. Trelleborg Sealing Solutions

Tribute Inc. Tri-Line Automation Corp. Turn-Act, Inc. Tuthill Transfer Systems

Tuthill Vacuum Systems/atlantic fluidics Ultra Clean Technologies Corp. Ultraflo Corporation, A Subsidiary of Bray Int›l. United Electric Controls Co.

Universal Hydraulics Int’l LTD

Vaccon Co. Inc.

Universal Grinding Corporation

Valtorc International - Actuated Valve Div. Van Air Systems Van Hydraulics

Vanton Pump & Equipment Corp.

Veljan Hydrair Pvt. Ltd.

Ventura Hydraulic & Machine Works Inc.

Vescor Corporation

VEST, Inc. Viatran Corp.

Vickers-Warnick

Viking Pump, Inc.

Vindum Engineering, Inc.

Vitto Accetta Webster Instruments

Weiss Instruments, Inc.

Wen Technology Western Fluidyne

Western Hydrostatics, Inc.

Western Integrated Technologies

White Drive Products

White Hydraulics, Inc. Whitman Controls Corp.

Wika Instrument Corp.

William H. Nash Co., Inc. Williams Machine and Tool

Wilson Company

Winters Instruments Inc. Wojanis Supply Company

Womack Machine Supply Company

Womack Systems, LLC

x x

Yates Industries Young Powertech

Zander, Inc. Zatkoff Seals & Packings

Zenith Div., Parker Hannifin Corp. Zero-Max, Inc. Zinga Industries, Inc.

86 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 87

A Failed Experiment

Now, don’t get discouraged. When we push the envelope trying to change the paradigm of thinking in the transfer of energy in fluid power systems, we will sometimes have to go against conventional wisdom and will certainly have to do things for which there is no precedent. Whether we succeed or fail, we will be in the spotlight. When we succeed, folks will take notes to see how they can implement changes in their own spheres of influence. We establish a precedent on which others can build and improve. When we fail, folks will take mental notes about how to not get into the same kind of trouble, and we may erect barriers to those who follow. Probably the one barrier that is worse than the “we’ve never done that before” resistance is the “we tried that once but it didn’t work” objection.

I find myself having just created the “we tried that once but it didn’t work” objection. Now, I’m a little sensitive here. I admit it. I have written about ways to save and recapture energy, not just to tweak your brains but also to actually make a difference in the way we apply fluid power. I want you to know that I am also on the front lines trying to apply these ideas to benefit our industry and the community in which I work. I would like to have only success stories to report, both for my own ego and for your encouragement, but that is an unrealistic expectation. I am reminded of a quote from Thomas Edison: “I have not failed. I’ve just found 10,000 ways that won’t work.” I am certain that there were times during the 10,000 that he felt the sting of having failed but he pressed on, and we are grateful. So, in my case, what is the “it” that didn’t work? Well, the “it” that failed was not actually the circuit or the concept. It was the choice of the components and a failure to get all the information. Let me explain. I put together a modification to a hydraulic system intended to save energy where, twice an hour, we lift and lower a heavy load and also use a very large volume of fluid at a relatively low pressure. These functions are very important, and so it is necessary to have enough energy stored to accomplish these movements if we were to have a power disruption. The original designers had wisely put in a large bank of accumulators to do this, and it had worked well for a number of years. I had reason to review the system and became convinced that we could make better use of the energy being used. I was still “the new guy,” but a couple of small successes had given me some credibility and I was allowed the opportunity to make some changes in the system. Besides, there was a substantial amount of funding available from the power company for energy-saving projects. If I was successful, the project would be almost completely funded and we would be saving energy for years to come. There were three things that I chose to do to reduce our energy consumption, two of which made use of common gear flow dividers. The third was to make better use of the electric motors being operated. We were using five electric motors and each was oversized for the pump it was driving. By increasing the pump volume to match the power available and by implementing the flow dividers, we should be able to run the entire system with just one motor/pump combination. The first use of the gear flow divider/combiners is discussed in an earlier article entitled “Flow Control: If in Doubt, Think About…Energy,” where I describe in some detail the process of using a simple gear flow divider/combiner to recover energy when lowering a heavy load. I won’t repeat it all here, but basically it entails pushing a portion of the returning fluid into an accumulator to be used the next time the load is lifted. The process recovers about 75% of the energy used to lift the load. This is one of the systems I put into place. The second use of the gear flow divider/combiner is not described anywhere else that I know of. It exists out here in the Land of No Precedent. I refer to it as a flow augmenter. In brief, it simply entails using the combining function with one side of the device being used as a motor and the other side as a pump. Combining the flow out of the motor side and the flow out of the pump side provides an increased flow at a decreased pressure. With an equal displacement gear set, you get twice the flow at half the pressure. If you will, it is nothing more than a hydraulic turbo charger. I saw this as a perfect way to make better use of the stored energy in the accumulators. We were storing the energy at 2000 psi but only requiring

600 psi for the work. That meant a 1400-psi pressure drop that was a waste of energy. By augmenting the accumulator flow, the system required less accumulator volume and reduced the pressure drop by 1000 psi. It all sounded really, really good. I promoted it. The power company loved it. The folks at the mill were a little bewildered but accepted it. The primary supplier embraced it. What could go wrong? Details! A gear flow divider is not a zero leak device. The two sections are connected internally by a shaft that passes through a sleeve. There is no seal and so there is a flow path, although very small, from one side to another. In addition, there is a necessary clearance between the gear teeth and the housing that prevents the gear device from holding pressure. Generally this is not a significant issue, but in this case it was a real problem. We needed to store fluid in the accumulators for an emergency, but the internal leakage of the device provided a constant bleed down of the stored energy because the side used as a pump led directly to the reservoir. No problem! We just added a check valve in the suction line to prevent the bleed off. It worked perfectly…for two days. That is when I heard over the two-way radio that the hydraulic room was awash in hydraulic fluid and the reservoir (1800 gallons) was empty. No one had communicated to the manufacturer of the custom-made check valve that the downstream pressure was to be 2000 psi. They made a valve rated at 500 psi. The only things that were damaged were an O ring and my credibility. The cost and lead time for a proper check valve were unacceptable. The system was working perfectly well before I decided to improve it. The energy recovery system was a different story. This is where communication was an issue. The system naturally depended on the weight of the load to drive the fluid into storage. Something that everybody knew and so nobody needed to mention was that the cylinder is not attached to the load but fits into a pocket for lifting. When lowering, the cylinder continues to retract under no load after the weight is resting on its base. The recovery system would not allow the cylinder to retract once the weight was removed. I quickly became part of the “everybody that knew.” This was relatively easy to fix, but it added another layer of complication to a process that was already being questioned. I placed a sequence valve in the system that would shift the recovery device out of the circuit when there was no load. It worked great for about one second. The load is cantilevered out so that as it lowers it has a bit of a bounce. The bounce caused a change in pressure that the sequence valve interpreted as the weight being removed and so it shifted only to sense the load again and shift back causing another bounce causing...well, you get the picture. The slamming and banging made it sound like the entire plumbing system was about to fall apart. It was scary! I started to say, “I can fix this…” but one look at the foreman told me it wasn’t going to happen. Enough was enough. The perceived perplexity of the system was not deemed to be worth the energy savings when it is only used twice an hour. The good news? The concepts were proven to be correct. I learned some valuable lessons. We are operating using fewer electric motors, and there is some energy savings to be enjoyed. I may never get the chance to try it again because of the “we tried that once but it didn’t work” syndrome, but you might be able to build on my experience. Think about it.

, CFPMT, CFPCC, CFPS,

, CFPAJPPCC By Dan Helgerson, CFPAI

ls, Cascade Steel Rolling Mil om n.c sch n@ rso lge dhe Inc.;

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Manufacturers Directory 2010 | 89

A.R. North America AAA Products International Aalborg® Instruments Accuflex Accumulators, Inc.

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ProductMatrix

ACS Hydraulics Inc.

Adsens Technology, Inc.

Advance Motion Controls, Div. of Devine Hydraulics, Inc.

Advanced Assembly & Automation Advanced Control Technology, Inc.

Advanced Fluid Systems, Inc.

Advanced Technology Products

Aggressive Hydraulics

Air & Hydraulic Power, Inc.

Air Draulics Engineering Company Air Hydraulic Systems

x x

Air Logic

x x

Air System Products, Inc. Airline Hydraulics

x x

Air-Mite Devices, Inc. Airmo, Inc.

Airometrix Mfg., Inc.

Airotronics Airpot Corp. Airtec Pneumatics, Inc. Airtek ALA Industries, Inc. Allen Orton LLC

Allenair Corp. Alliance Plastics

Alloys & Components, SW

Almo Manifold & Tool Co. Alpha

Alumi-Tec, Inc. Amalga Composites, Inc.

American Cylinder Company, Inc. American Hydrostatics

AMETEK Automation & Process Technologies

Ametek US Gauge

Anderson Fittings/Trident

Anderson Metals Corp., Inc.

Animated Software Co., The

Anver Corp. Apex Design Technology Applied Industrial Technologies

x x

ArcelorMittal Tubular Products

Argo-Hytos, Inc.

Arizona Sealing Devices, Inc.

Ark-Plas Products, Inc.

ASA Hydraulik of America Ashcroft, Inc.

Assured Automation ATEQ Corp.

Atico-Internormen-Filter, Inc.

Atlantic Hydraulics, Inc.

Atos Systems, Inc. Attica Hydraulic Exchange

Autoclave Engineers FCD

Automatic Valve Corp. Automation Direct

Automation Products, Inc.

Bailey International Corp. Balluff Inc. Barco (Div. of Marison Industries)

x x

Barnant Co.

Barrington Automation

Battlefield International Inc.

Baumer/Bourdon-Haenni

Bay Advanced Technologies

Behco, Inc.

x x x

Behringer Corp. Bell & Gossett Beswick Engineering Co., Inc.

Biddle Precision Components

Bijur Lubricating Corp.

Bimba Mfg. Co. Birmingham Hydraulics Inc. BKO Technical

Bondioli & Pavesi, Inc. Bosch Rexroth Corporation, Pneumatics Brand Hydraulics Bray Controls, Div. of Bray International

90 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

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||||||||||||||||||||||||||

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///////////////////

www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 91

Brennan Industries, Inc. Brevin USA Briggs Company, The BSF, Inc. Bucher Hydraulics, Inc.

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Company

Product Categories S thru V Swivels â&#x20AC;&#x201C; Power to Vent, Closed

ProductMatrix

Burkert Fluid Control Systems Camozzi Pneumatics, Inc.

Canimex, Inc.

Carolina Fluid Components

Castle Metals

CAT PUMPS Catey Controls - A Womack Company

Certified Power, Inc.

CH Products Checkfluid, Inc. Circle Seal Controls Clark-Cooper Div. of Magnatrol Valve Corp. Clinton Industries, Inc. Clippard Instrument Lab., Inc.

co-ax valves inc. Coilhose Pneumatics Command Controls Corporation Component Technology, A Div. Of Certified Power, Inc.

Conbraco Industries Inc. Continental Hydraulics Control Enterprises, Inc. Control Line Equipment, Inc. Control Products, Inc.

Control Steel & Wire Company ControlAir, Inc. Controlled Motion Solutions, Inc.

x x

Controlotron Corporation

Cooper Instruments

COX Instruments

CPV Manufacturing, Inc. Crest Rubber Co.

Cross Manufacturing Inc. CRS Service, Inc.

Custom Cylinders, Inc. Custom Hydraulics, Inc. Custom Sensors & Technologies (CST)

Cyber-Tech Inc. Dakota Fluid Power

Danz Tech Corporation Dees Fluid Power

DEL Hydraulics, Inc. Delaware Manufacturing Industries Corporation Delta Computer Systems, Inc. Deltrol Fluid Products Denison Hydraulics Inc. De-Sta-Co Industries Deublin Co.

Devcon

Diversico Industries, Inc.

Dixon Valve and Coupling Company

Doering Company Donaldson Company Inc., Industrial Hydraulics Dresser Instrument DTS Fluid Power, LLC

x x

Duff-Norton

x x

Duplomatic - UHI Dura Valve, Inc. Durex Industries

Dwyer Instruments, Inc. Dynamic Fluid Components, Inc.

Dynex/Rivett Inc. Eaton Corporation

Eaton Fluid Power Training

Eaton Hydraulics

Eldon James Corporation

Elect Air

Elwood Corporation EMJ

Endress + Hauser, Inc.

Energy Manufacturing Co., Inc. Enfield Technologies

Engineered Sales Inc.

Engineered Specialty Products, Inc.

Entran Devices, Inc. Entwistle Co., Kenett Hyd. Distribution Div.

x x

Escort Seal (USA) Co. LTD. Europower Inc.

92 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 93

tat

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///////////// Tu b

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Company

Product Categories S thru V Swivels – Power to Vent, Closed

ProductMatrix

Falk Corporation

Faster, Inc. FasTest, Inc.

Feroy Company, Inc. Festo Corporation

FHI-Steffen, Inc.

Fleetguard, Inc.

Flender Corporation

Flextral

Flint Hydraulics, Inc. Flint Hydrostatics.com

Flo-Draulic Group

Flodyne Controls, Inc. Flow Technology

Flowmetrics, Inc.

Flow-Tek, Inc. A Subsidiary of Bray Int’l. Fluid Design Products, Inc.

Fluid Energy Controls, Inc. Fluid Line Products Inc. Fluid Power Associates, Inc. Fluid Power Connectors, LLC

Fluid Power Inc. Fluid Power Products Fluid Systems Partners US, Inc.

Fluid Tech, LLC

Fluid Technologies, Inc.

Fluidtechnik USA, Inc.

Force America Franklin Electrofluid Co., Inc.

x x

Freelin-Wade

x x

FUTEK Advanced Sensor Technology, Inc.

Galland Henning Nopak, Inc. Galtech Canada inc. Gast Mfg. Inc., A Unit of IDEX Corp.

Gems Sensors & Controls Goodway Technologies Corp.

Goodyear Tire and Rubber Company

Granzow Inc. GS Hydraulics, Inc.

Hach Company

Hartman Controls, Inc. Harvard Corporation

Haskel International, Inc. Hauhinco Hawe Hydraulics HBControls Inc.

Heinrichs USA LLC Helium Leak Testing, Inc.

Hercules Hydraulics Herion USA, Inc. Heypac Inc. High Country Tek, Inc.

High Pressure Equipment Company

Hi-Tech Hose, Inc.

Hi-Tech Instrument Corp. (HTI)

HKX - Hydraulic Kits for Excavators

HMF Innovations, Inc.

Hoerbiger Origa Hoffer Flow Controls

Holmbury, Inc. Honeywell Sensotec

Houston Hydraulic HR Textron Hudson Extrusions, Inc.

Humphrey Automation

Humphrey Products

HUSCO International Hydac International

Hydac Technology Corp.

Hydra-Check

Hydra Dynamic Systems Inc. Hydradyne Hydraulics

HydraForce, Inc. Hydramation, Inc. Hydra-Power Systems Inc.

x x

Hydraquip Corporation Hydraulic Component Services, Inc.

94 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

x x

Va lv

x x x

x x

x x x x x x x x

x x

x x x

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||||||||||||||||||||||||||

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/////////////////// x

www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 95

Hydraulics International, Inc.

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Product Categories S thru V Swivels – Power to Vent, Closed

ProductMatrix

Hydrauliques Continental, Inc. Hydro Air Dees

Hydro Air Hughes - Clarence, NY

x x

Hydro Air Hughes - North Haven, CT

Hydrocontrol Inc. Hydrotech, Inc. Hy-Pro Filtration

HYVAIR Corp

IBR (Inter Basic Resources)

IC Fluid Power, Inc.

Iconics

IHD, Incorporated

IMI Norgren Inc. Industrial Hydraulic Services

Industrial Specialties Mfg.

Innovative Hydraulic Designs, Inc.

Inserta Products, Inc. Integrated Hydraulic Technologies, Inc. Integrated Hydraulics, Inc. IntelliSchematic

Interface Devices, Inc. International fpa Internormen Technology GmbH

InterTech Development Co.

x x

Inventive Resources, Inc.

IQ Valves ITT Industries

ITW Devcon

J.E. Myles, Inc.

J.M. Grimstad Inc.

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96 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 97

J.W.F. Technologies Jarp Industries JEM Technical JH Technology Inc. JLM Systems Limited

nle

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Company

Product Categories S thru V Swivels â&#x20AC;&#x201C; Power to Vent, Closed

ProductMatrix

John Guest USA, Inc.

Kaeser Compressors, Inc. Kavlico Corporation

Kawasaki Precision Machinery (U.S.A.) Inc. Keller America Inc.

Kent Fluid Power

Kentak Products Company

Kepner Products Company Key Instruments Knotts Co., Inc., The

Kobold Instruments

Kraft Fluid Systems, Inc.

KTI Hydraulics, Inc. Kuriyama of America Inc.

Kurt Hydraulics

KV Pneumatics Inc.

KYB America LLC KZCO, Inc. LDI Industries, Inc.

Lee Co., The

Lee Industries, Inc.

Legris, Inc.

Lehigh Fluid Power, Inc. Lenz Inc.

Lexair Inc. Lillbacka USA, Inc.

Lincoln Industrial Corporation

Liquid Controls, LLC Livingston & Haven

LTV Copperweld Lynch Fluid Controls

M & M Rogness Machinery Service and Design

Macro Sensors Magnatrol Valve Corp. Magnetek

Magnetrol International, Inc.

Marken Mfg.

Marmon/Keystone Corporation

Marsh Bellofram

Master Pneumatic-Detroit, Inc.

Maxbar, Inc.

Maxpro Technologies, Inc.

Mead Fluid Dynamics, Inc. Metro Machine & Engineering MICO, Incorporated Micro Mini Hydraulics

Midland - ACS North America Midland Metal Mfg.

Mid-West Instrument

Miller Fluid Power Milwaukee School of Engineering

Minnesota Rubber and Plastics

Miratron

M.M. Newman Corporation

Mocap Inc.

x x

Monarch Hydraulics, Inc. Monnier, Inc. Moog Motion Industries, Inc. MRM Incorporated

x x

MTE Hydraulics, Inc. MTS Systems Corp.

Murrelektronik Inc. Myron L. Company

Nachi America Nass Controls National Technical Systems

NC Servo Technology

Nelson-Dunn Inc.

Neptune Chemical Pump Co., Inc. NewAge Industries Inc.

Niagara Caps & Plugs Norgren Norman Equipment Company

x x x

x x

North Coast Seal, Inc. North Lake Steel Corporation

98 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

x Va lv

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x x x

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///////////////////

www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 99

Northwest Swiss-Matic, Inc. Noshok, Inc. Novotechnik US Inc. Nycoil Company OCV Control Valves

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Product Categories S thru V Swivels – Power to Vent, Closed

ProductMatrix

Oilgear

Oil-Rite Corporation

O’Keefe Controls Co. Omega Engineering, Inc.

Omnex Control Systems, Inc.

Ono Sokki Technology, Inc.

Open Loop Energy, Inc.

Pabco Fluid Power Co.

x x

Pace Mfg. Inc.

x x

Pall Corp.

Palmer Wahl

x x

Parker Hannifin Parker Hannifin Corp. - Automation Group

Parker Hannifin Corp. - Hydraulic Filter Div.

Parker Hannifin Corp. - Hydraulic Valve Div. Parker Hannifin Corp. - Quick Coupling Division

Parker Hannifin Corp. - Seal Group

PCB Piezotronics, Inc.

Peninsular Cylinder Co., Inc.

x x

Peter Paul Electronics Co., Inc. PIAB Vacuum Products

Pinnacle Systems, Inc.

Pisco USA, Inc.

Plastic Extruded Parts, Inc.

Pneumadyne Inc.

Pneumatics, Hydraulics, & Abrasives (PHA, Inc.)

Poclain Hydraulics, Inc. Polygon Co.

Positech Corporation Power Systems

x x

Power Valve USA P-Q Controls Precision Filtration Products Precision Industries

x x

Precision Instrument Company

Pressroom Electronics Pressure Components, Inc. Pressure Systems, Inc.

PRIME Measurement Products, LLC

Prince Mfg. Corp. Progress Casting

Proportion-Air, Inc.

PSI-Tronix Technologies, Inc.

Puregas R J Hydraulics Inc.

RB Royal Industries

RC Electronics, Inc.

Rectus-TEMA Reelcraft Industries

Rego Cryo-Flow Products Renco, Inc. Ritepro, Inc. Robeck Fluid Power Co.

Ross Controls®

Rotary Systems, Inc.

RR USA, Inc.

S. Himmelstein & Co.

SAI Hydraulics, Inc.

Sauer-Danfoss

x x

SC Hydraulic Engineering Corp. Schmalz, Inc.

Schroeder Industries

Schrupp Industries, Inc.

Schunk, Inc.

Scott Rotary Seals

Seal Master Corporation

Sensor Systems LLC Sensotec, Inc.

Serfilco, Ltd. Servometer-PMG, LLC

Setra Systems, Inc.

S. G. Morris Co., Cleveland, OH

S. G. Morris Co., Toledo, OH

S. G. Morris Co., Pittsburgh, PA

S. G. Morris Co., Huntington, WV

Sierra Instruments Inc.

Simplex Div. Templeton, Kenly & Co., Inc.

100 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

x x

x x x

x x x x x x x x x x x x x x x x x x x x x x x x x x x x x

x x x x x x x x x x x x x x x

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 101

Siwi, Inc. SMC Corporation of America Snap-tite Source Fluid Power Spartan Scientific

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Product Categories S thru V Swivels – Power to Vent, Closed

ProductMatrix

Specialty Mfg. Co., (SMC), The Spencer Fluid Power

SPIR STAR Spirax Sarco Sponsler

Springer co-ax inc. SSP Fittings Corporation Stanley M. Proctor Company

Stauff Corporation

Sterling - PCU

Sterling Hydraulics Strahman Valves, Inc. Sun Hydraulics Corporation Super Swivels

Switching Solutions, Inc.

Tarrant Hydraulic Service, Inc.

TEAC America, Inc.

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Teel Plastics, Inc.

Teknocraft Inc. Tescom Corp. Texas Hydraulics Inc.

x x

Tobul Accumulator, Inc. TPC Pneumatics

TR Engineering Inc. Trico Corporation Tuthill Coupling Group- Hansen Couplings Ultra Clean Technologies Corp.

Ultraflo Corporation, A Subsidiary of Bray Int’l. Uniflex of America

United Electric Controls Co.

Universal Grinding Corporation

Universal Hydraulics Int’l LTD

UTI Microwave

Vaccon Company

Valtorc International - Actuated Valve Div. Valve Check Inc. Valv-Trol Co. Van Air Systems Van Hydraulics

Veljan Hydrair Pvt. LTd. ventura Hydraulic & Machine Works, Inc. Vescor Corporation Viatran Corp.

Vickers-Warnick Vindum Engineering, Inc.

Vonberg Valve, Inc. Voss Fluid GmbH VTI Microwave

VXI Technology, Inc.

Wandfluh of America, Inc. Webster Instruments

Wen Technology, Inc.

Western Fluidyne Western Hydrostatics, Inc.

Western Integrated Technologies

White Hydraulics, Inc. Whitman Controls Corp.

Wika Instrument Corp.

William H. Nash Co., Inc. Williams Machine and Tool

Wilson Company

Winters Instruments Inc.

Wojanis Supply Co. Inc. Womack Machine Supply Company

x x

Womack Systems, LLC

x x

World Wide Metric, Inc.

Yates Industries

x x

Youli America Young Powertech

Zatkoff Seals & Packings Zinga Industries, Inc. ZMC Corp.

102 | Manufacturers Directory 2010 | www.fluidpowerjournal.com | www.ifps.org

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www.ifps.org | www.fluidpowerjournal.com | Manufacturers Directory 2010 | 103

AssociationNews

NFPA | National Fluid Power Association

NFPA’s 2010 Industry and Economic Outlook Conference

August 17 – 18, 2010 • Westin Chicago North Shore • Wheeling, IL Join NFPA at the intersection of marketing and strategy for the highly acclaimed Industry and Economic Outlook Conference, August 17-18, 2010, at the Westin Chicago North Shore Hotel. This day-and-half event offers hard data and expert analysis on tomorrow’s economic environment with an additional focus into the technology advancements likely to impact the fluid power supply chain in the years ahead. A conference like no other, this year’s Industry and Economic Outlook Conference will offer critical insight into economics, market forecasts, technology, plus unparalleled networking opportunities.

Conference highlights include

• Global economic trends Alan Beaulieu, Institute for Trend Research (ITR) • Fluid power customer market overview Eli Lustgarten, ESL Consultants, Inc. • Fluid power market forecast Jim Meil, Eaton Corporation • Regulatory Landscape Aric Newhouse, National Association of Manufacturers (NAM) • Mobile and industrial market breakout sessions • Advances across the supply chain • Power of Association reception and dinner is a conference networking highlight, providing the best possible opportunity to interact with the entire conference delegation. • Supplier tabletop exhibits, which feature networking opportunities with industry suppliers demonstrating product. Don’t miss out on one of the “Can’t Miss Events of 2010!” To learn more about the conference visit www.nfpa.com or call 414-778-3344.

LOCKSTACK

Calendar of Events 3rd Annual NFPA Foundation Invitational Golf Tournament August 16, 2010 Chevy Chase Country Club, Wheeling, IL NFPA 2010 Industry and Economic Outlook Conference August 16 – 18, 2010 Westin Chicago North Shore, Wheeling, IL

IFPE 2011 March 22 – 26, 2011 Las Vegas Convention Center, Las Vegas, NV co-located with CONEXPO-Con/AGG. Check www.ifpe.com for more details.

PTC Asia 2010 October 25-28, 2010 Shanghai, China NFPA’s Economic Update Webcast October 28, 2010 | 1:00 pm Central By: Alan Beaulieu, Institute for Trend Research 2011 NFPA Annual Conference February 16 – 19, 2011 Hyatt Regency Coconut Point, Bonita Springs, FL

Hannover Fair 2011 April 4 - 8, 2011 Motion, Drive & Automation (MDA), Hannover, Germany NFPA 2011 Industry and Economic Outlook Conference August 16 - 17, 2011 Renaissance Schaumburg Hotel, Schaumburg, IL

ESA | Equipment Service Association

D03 ISOLATION SYSTEM

Labor saving alternative to the use of threaded rod stock. Isolation Retainer engages stacking bolts to resist loosening of the stack during disassembly of the component(s) above. © 2010 Inserta® Products, Inc.

Inserta® Products, Inc.

2010 ESA Fall Tech Conference October 10-12, 2010 Embassy Suites Bloomington Minneapolis, MN www.2esa.org

Request more information at www.fluidpowerjournal.com

104 | Manufacturers Directory 2010

www.ifps.org | www.fluidpowerjournal.com

NFPA Fluid Power Challenge Goes to Purdue University The National Fluid Power Association (NFPA)’s Fluid Power Challenge, a competition that actively engages students in learning about fluid power (hydraulics and pneumatics), was part of the inaugural Boiler Tech Challenge 2010 held recently at the Purdue College of Technology in Columbus, Ind. Over 160 high school students from the region participated and competed in this Project Lead the Way-affiliated event. During the Boiler Tech Challenge, students worked in teams of four on a variety of engineeringoriented challenges—Build It, Design It, Invent It, Survive It and Tape It—which included fluid power. They used imagination, teamwork, and problem solving to provide innovative solutions to complex engineering challenges. The NFPA Education and Technology Foundation helped sponsor the event. NFPA hopes to encourage students to select more mathematics and science courses and to keep their options open for technology-based studies. To learn more about the NFPA Fluid Power Challenge, go to: http://www.nfpa.com/Education/NFPAFluidPowerChallenge.asp or contact Carrie Tatman Schwartz at (414) 778-3347 or ctschwartz@nfpa.com. Request more information at www.fluidpowerjournal.com

NFPA is Hosting Pavilion in the MDA – Motion, Drive & Automation Sector at Hannover Fair The National Fluid Power Association (NFPA) is pleased to announce that it will host another pavilion in the MDA – Motion, Drive & Automation sector at Hannover Fair in spring 2011. The exhibition is scheduled for April 4-8, 2011 at Hannover Messe, Hannover, Germany. NFPA’s group exhibit will once again offer participants a standard turnkey exhibit space including a fully furnished booth with full access to pavilion services and support. Organized by Hannover Fairs USA and Deutche Messe AG, the NFPA pavilion assists exhibitors by reducing administrative and logistical concerns. Exhibitor information can be found at www.nfpa.com/events/hannover.asp. Staff from both NFPA and Hannover Fairs USA will be available to help exhibitors before and during the show. For more information contact Sue Chase at 414-778-3376 or schase@nfpa.com.

Avert Fluid Leak Disasters! Some industrial fluid systems operate under extremely high pressure. So leaks can not only lead to equipment breakdown and production delays, but serious personal injury as well. Fortunately, there’s the Spectroline® OPK-340 Leak Detection Kit. It’s the most effective, efficient and safest method for finding leaks in hydraulic, oil, water and water/glycol-based industrial systems. And best of all, it finds these leaks long before disaster strikes!

Kit includes: • OPTIMAX™ 3000 super-high intensity cordless, rechargeable blue light LED leak detection flashlight • 16 oz twin-neck bottle of patented OIL-GLO™ 44 concentrated fluorescent dye for synthetic and petroleum-based oils and hydraulic fluids • 16 oz twin-neck bottle of WD-802 concentrated fluorescent dye for water-based systems • 8 oz spray bottle of GLO-AWAY™ dye cleaner • Smart AC and DC chargers, fluorescenceenhancing glasses and a rugged carrying case.

To learn more, call 1-800-274-8888 or visit: www.spectroline.com

ISO 9001:2008 CERTIFIED COMPANY

Request more information at www.fluidpowerjournal.com

www.ifps.org | www.fluidpowerjournal.com

Manufacturers Directory 2010 | 105

news FIRST® Championship Celebrates Innovators of Tomorrow Twenty thousand FIRST® supporters – mentors, students, volunteers, sponsors and fans – gathered at the Georgia Dome in Atlanta in April to experience the19th Annual FIRST (For Inspiration and Recognition of Science and Technology) Championship. More than 500 teams from 30 countries competed in the three levels of FIRST: FIRST® LEGO® League (FLL®, grades 4 to 8, 9 to 14-year-olds in the U.S and Canada; 9 to 16-year-olds outside the U.S and Canada); FIRST® Tech Challenge (FTC®, grades 9 to 12, 14 to 18-year-olds); and FIRST Robotics Competition (FRC®, grades 9 to 12, ages 14-18). This year’s event marked the highest level of participation since FIRST began in 1992 in a New Hampshire high school gymnasium with one level of competition. FIRST now offers three distinct and challenging levels of competitions.

FIRST ROBOTICS COMPETITION (FRC) CHAMPIONSHIP

High-school student teams built their robots from a kit of hundreds of parts in six weeks. More than 340 teams competed in “Breakaway™,” a soccerlike game to climb obstacles and score goals against their opponents. The Winning Alliance of the FIRST Robotics Competition Championship was Team 294, “Beach Cities Robotics,” Redondo Beach, Calif.; Team 67, “The HOT Team,” Milford, Mich.; Team 177, “Bobcat Robotics,” South Windsor, Conn., from the Newton Division. Team 341 “Miss Daisy” of Ambler, Pa., won the Chairman’s Award, the highest honor given at the FRC Championship, recognizing the team that best represents a model for other teams to emulate and best embodies the purpose and goals of FIRST. Winners of the Dean’s List Award were: Beth Hadley, Team 548, “Robostangs,” Northville, Mich.; Seth Berg, Team 694, “StuyPulse,” New York, N.Y.; Kyle Fender, Team 1002, “The CircuitRunners,” Marietta, Ga.; Carlos Pineda, Team 1480, “Robatos Locos,” Houston, Texas; Ian Graham, Team 1535, “Knights of Alloy,” Sault Ste. Marie, Ontario, Canada; Delia Votsch, Team 1712, “Spirit

efficiency problems. Top honors went to Champion’s Award 1st Place winner, Team 3013, “The Inventioneers” from Londonderry, N.H.; Champion’s Award 2nd Place winner, Team 1262, “Get Smart” from Peoria, Ariz.; and Champion’s Award 3rd Place winner, Team 127, “Cougars” from Columbus, Ohio. The Champion’s Award measures how teams inspire and motivate others about the excitement and wonders of science and technology, while demonstrating Gracious Professionalism™.

SCHOLARSHIPS of the United Neretva,” Ardmore, Pa.; Caitlin Mori, Team 2437, “Lancer Robotics,”Honolulu, Hawaii; Luke Scime, Team 2614, “MARS,” Morgantown, W.V.; Sarah Heimlich, Team 3132, “Thunder Down Under,” Sydney, Australia; Ingrid Fiedler, Team 3368, “Dawgma,” Mostar, Herzegovina.

FIRST TECH CHALLENGE (FTC)

More than 100 teams competed in the “Hot Shot™” FIRST Tech Challenge, in which teams’ robots earned points by collecting and firing balls into their designated goals. The FIRST Tech Challenge World Championship Inspire Award, recognizing excellence in robot design and teamwork, went to Team 25 “Rock ‘n Roll Robots” from Arcadia, Calif. The FIRST Tech Challenge Winning Alliance was Team 2868 (Captain) “Smoke and Mirrors” from Lakeland, Fla.; Team 2843 “Under the Son” from Hollywood, Md.; and Team 3864 “GForce” from Aiken, S.C.

FIRST LEGO LEAGUE (FLL)

Eighty-four teams from around the world participated in the FIRST LEGO League World Festival. This year’s challenge, “Smart Move,” focused on applying robotics and research to some of today’s transportation safety and

FIRST also recognized the recipients of numerous educational scholarships worth $12 million from the most prestigious science and engineering schools in the country, such as Massachusetts Institute of Technology, Harvey Mudd College, Kettering University, Georgia Tech, Embry-Riddle Aeronautical University, Carnegie Mellon University, Purdue University, Worcester Polytechnic Institute and Bucknell University. For a complete listing of awards, match results and scholarship winners, please visit FIRST online at www.usfirst.org and click on the “FIRST Championship” headline.