75 years Quality through Experience
Company Profile Founded in 1938 Based on the German mining industry
1938
1958
2000
Company Profile Today
Sprockhövel (2.200 m²)
Witten (7.000 m²)
Company Profile Today
Sprockhövel (2.200 m²)
Witten (7.000 m²)
Company Profile Headquarter based in Witten, Germany ~ 120 Employees Privatly owned in 3rd Generation Certified according to ISO 9001 since 1995
Company Profile The Group
Company Profile Engineering
Manufacturing and Assembly
After-Sales Service Testing
Commissioning
Company Profile Gas Cleaning Industrial Applications
Seawater Desalination
Mining
Product Range
Single-Stage pumps
15 bar (217 PSI)
Nominal pressure up to 15 bar (217 PSI) Flow up to 20.000 m続/h (88,000 gal/min)
20.000 m続/h (88,000 gal/min)
Multi-Stage pumps
Nominal pressure up to 250 bar (3625 PSI) Flow up to 3.500 m続/h (15,400 gal/min)
250 bar (3625 PSI)
3.500 m続/h
(15,400 gal/min)
Pumps mainly designed for corrosive and abrasive media
Product Range
Max Max Ph-Value Max Max Flow Head Density Particle Size MC MCC
[m続/h]
[bar]
([gal/min])
([PSI])
1,300
10
(5,700)
(145)
20,000 (88,00)
ROWA-E
12,000 (52,800)
ROWA 2/4S DH ROWA-HPB MHK/HK ROWA-HP
6
[g/l] 0-12
1,700
40
(8,800)
(580)
4,000
10
(17,600)
(145)
3,000
15/100
(13,200)
(217/1,450)
2,160
120
(9,500)
(2,320)
3,500
100
(15,400)
(1,450)
1 (0,04)
0-12
1,700
1 (0,04)
0-14
1,700
(145)
2,000
[mm] ([inch])
(87)
10
Material
50
various metals
(2)
0-14
1,700
50
various metals
(2)
0-14
2,500
100
various metals
(4)
0-14
1,050
0-14
1,050
-
various metals
3
various metals
(0,12)
0-14
1,050
-
various metals
Single-Stage Pumps Mineral Cast Pumps made of for corrosive and abrasive media
MC Mineral Cast
MCC Mineral Cast Compound
Single-Stage Pumps Type MC
Nominal pressure up to 10 bar (145 PSI) Flow up to 1.300 m続/h (5,700 gal/min) All main wetted parts are made of
High wear and corrosion resistance pH-Values 0-12 Maximum Density up to 1,700 g/l
Single-Stage Pumps Type MC Volute casing impeller cover
DÜTEC® mechanical seal
DN 32 – DN 300 (≥ DN 200 with suction side wear plate) ANSI 1 ¼“ – 12“ (ANSI ≥ 8“ with suction side wear plate)
Single-Stage Pumps Mechanical Seal DÜTEC® & DÜTEC® -C
DÜTEC® Single-stage mechanical seal available for MCs & MCCs
DÜTEC®-C Single-stage mechanical seal in cartridge design for MCCs
Single-Stage Pumps Type MCC
Nominal pressure up to 6 bar (87 PSI) Flow up to 20.000 m続/h (88,000 gal/min) All main wetted parts are made of
High wear and corrosion resistance pH-Values 0-12 Maximum Density up to 1,700 g/l
Horizontal and vertical arrangement Extendend Warranties available
Single-Stage Pumps Extended Warranty on MCCs for seawater and gypsum slurry
10 years abrasion warranty on the liner 6 years abrasion warranty on the impeller 6 years abrasion warranty on the wear plate Lifetime anti-corrosion warranty on all
-parts
Single-Stage Pumps Type MCC liner wear plate impeller cover
DÜTEC®-C mechanical seal
DN 400 – DN 1.000 (bigger sizes available) ANSI 16“ – 40“ (bigger sizes available)
Single-Stage Pumps Comparison MC & MCC
Single-Stage Pumps Mechanical Seal DÜTEC® & DÜTEC® -C
DÜTEC® Single-acting mechanical seal available for MCs, MCCs & ROWA-Es
DÜTEC®-C Single-acting mechanical seal in cartridge design for MCCs
Hard as Diamond
The Material
Silicon carbide
+
Epoxy resin
The Material
Silicon Carbide: >80%
Epoxy Resin: <20% Zoom: 100x
The Material Comparison between
and other materials Corrosion Resistance
Wear Resistance
Hastelloy DUPLEX stainless steel Ni - Hard 4
Special problem occurs with Erosion-Corrosion
The Material
Linear rate of wear [mm/a]
Wear in Combination of Flow Velocity 10.000
1.4517 1.000
100
10 14
18
22
26
Flow velocity [m/s] test medium: water-quartz-mixture concentration: 30g/l particle size: ~23Âľm
The Material â&#x20AC;&#x153;Erosion-Corrosion is a material loss due to mechanical wear on the surface as the corrosion is caused by the erosion of the protective layers.â&#x20AC;?
metal
protective layer
The Material Effects of the Erosion-Corrosion
The Material Comparison of Erosion-Corrosion on DUPLEX and
impellers
DUPLEX stainless steel
after 11.000h of operation
after 24.000h of operation still in operation (85.000h)
The Material Limits of Medium temperature < 135 째C (< 275 째F) Maximum particle size < 1 mm (< 0.039") pH value < 12
The Material Advantages of 100% corrosion resistance in seawater applications Highly wear resistant Lower noise and vibrations compared to metal pumps Easy quality control of castings, easy to repair Lower material costs compared to DUPLEX stainless steel Shorter delivery times Stable price validity
Manufacturing View into the evacuated casting machine
Manufacturing Casting of a MCC shell
Manufacturing Heat Treatment
1st heat treatment: hardening
2nd heat treatment: tempering
Manufacturing Machining
Other Products Engineered impellers
Klaus Union
KSB
Warman
Sulzer
Other Products Hydrocyclones
Other Products Nozzles
Other Products Coatings
Other Products Reducers
Repairing
2 1
3 5
4
SIConit based revamping liquid SIConit
速
SIConit Volute Casing revamping with SIConit
速
1 before 2
4 after 5000h
3 complete revamping
welded stainless steel net
SIConit Impeller repair with SIConit
速
1
4 2
3
SIConit Coating of new agitator with SIConit
速
1 original 2
coating
4 balancing 3 finished
SIConit Wear parts before
SIConit Wear parts afterwards
Single-Stage Pumps Metal Pumps for corrosive and abrasive media
ROWA-E
DH
ROWA-HPB
Single-Stage Pumps Type ROWA-E
Nominal pressure up to 10 bar (145 PSI) Flow up to 12.000 m続/h (52,800 gal/min) Available in almost all metallic materials from cast iron to SUPER DUPLEX High wear and corrosion resistance pH-Values 0-14 Maximum Density up to 1,700 g/l
Available in combined single-stage/ multistage design
Single-Stage Pumps Type ROWA-E oil lubricated antifriction bearing shaft
mechanical seal
wear plate
impeller
bearing bracket spiral casing
Combined Single-Stage Pumps Type ROWA 2/4S
Nominal pressure up to 40 bar (580 PSI) Flow up to 2.000 m続/h (8,800 gal/min) Available in almost all metallic materials from cast iron to SUPER DUPLEX High wear and corrosion resistance pH-Values 0-14 Solid contents up to 700 g/l
2- or 4 combined horizontal single-stage slurry pumps (ROWA-E equivalent) Compensation of axial thrust by counterrotating impellers
Combined Single-Stage Pumps Type ROWA 2S wear plate gland packing
shaft
impeller
oil lubricated antifriction bearing
Single-Stage Pumps Type DH
Nominal pressure up to 10 bar (145 PSI) Flow up to 4.000 m続/h (17,600 gal/min) Large impeller diameters => low wear reducing speed Design allows use of very hard materials => up to 510 HB Extreme wear and corrosion resistance pH-Values 0-14 Maximum Density up to 2,500 g/l
Single-Stage Pumps Type DH oil lubricated antifriction bearing
wear plate gland packing
shaft impeller
bearing bracket
spiral casing
Single-Stage Pumps Type ROWA-HPB
End-suction pump type, centerline mounted Available in API 610 / ISO 13709 design (Oil & Gas) Available for hot liquid applications
Horizontal or vertical arrangement Differential pressure up to 20 bar (290 PSI) Flow up to 3.000 m続/h (13,200 gal/min) Design pressure 100 bar (1,450 PSI), suction pressure up to 80 bar (1,160 PSI) Available in almost all metallic materials from cast iron up to SUPER DUPLEX High corrosion resistance
pH-Values 0-14
Single-Stage Pumps Type ROWA-HPB
double volute casing oil lubricated antifriction bearing shaft
mechanical seal impeller
bearing bracket
Single-Stage Pumps Type ROWA-HPB
Pull-out process design for easy access Cartridge mechanical seal Radial thrust compensation by double volute casing to reduce shaft deflection and bearings loads Critical shaft speed above operating speed (VFD operation up to 4.000 rpm) Wear rings in compound material (PEEK reinforced carbon fiber) to achieve small clearances
Multi-Stage Pumps High-Pressure pumps for corrosive and abrasive media
LHK/MHK/HK
ROWA-HP
Multistage Pumps Type MHK/HK
Nominal pressure up to 160 bar (2,320 PSI) Flow up to 2.160 m続/h (9,500 gal/min) Available in almost all metallic materials from cast iron up to SUPER DUPLEX 4-pole pump (max. 1800 rpm) for liquids with slightly abrasive content pH-Values 0-14 Maximum Density up to 1,050 g/l
Horizontal and vertical arrangement
Multistage Pumps Type MHK/HK
Design Features Axial thrust compensation by combination of balancing disc and balancing drum with wear indicator (> 40 bar (> 580 PSI)) Shaft sealing by stuffing box or mechanical seals Flanges positionable in 90째 steps; manufactured according to DIN/ASME Flanges at intermediate casings available One or two connective shaft ends available
Multistage Pumps Type MHK/HK wear rings (at each stage)
impeller
diffuser
balancing counter disk
balancing disk
gland packing
shaft
bearing oil lubricated antifriction bearing
shaft sleeve intermediate stage casing suction casing
discharge casing
Multistage Pumps Impeller Design Features
CFD assisted design Optimal specific speed for best efficiency Optional suction impeller available to obtain low NPSH-values Different sets of impellers for each pump size available Ceramic moulds result in smooth surfaces to reduce flow losses
Multistage Pumps Design Features
Suction chamber with favorable design for constant inlet velocities Reduced impact losses due to CFD optimized diffuser channels Optimized discharge casing shaped as a volute casing
Design Features Balancing Device
FAX + FAX + â&#x20AC;Ś = FE Full compensation of all axial forces
Balancing disc
F F A A X X
F E
Balancing counter disc
Self-actuating thrust compensation Minimum efficiency drop High reliability of operation Wear control through wear indicator
Control of wear during operation For optimal planning of maintenance work Optical indicator standard Additional inductive wear indicator applicable
Design Features Optional Suction Impeller dS1 < dS2
standard impeller ds1
ds2
special designed impeller for low NPSHr rates
Multistage Pumps Wear Control Shaft marks show wear status
Wear indication by inductive sensor Output signal: 0…10 V / 2…20 V voltage 0…20 mA / 4…20 mA current
Multi-Stage Pumps Type ROWA-HP
Nominal pressure up to 100 bar (1,450 PSI) Flow up to 3.500 m続/h (15,400 gal/min) Available in almost all metallic materials from cast iron up to SUPER DUPLEX 2-pole pump (up to 3.600 rpm) for highly corrosive liquids pH-Values 0-14
Multi-Stage Pumps Type ROWA-HP
Design Feature Flanges positionable in 90째 steps Manufacturing acc. to ISO, DIN and ASME
Easy replacement of all wear parts Critical shaft speed above operating speed Wear rings in compound material (PEEK) small clearances but reliable operation
Axial thrust compensation by combination of balancing disc and balancing drum avoid axial bearings and excessive oil supply units
Multistage Pumps Type ROWA-HP discharge casing
impeller
balancing counter disk mechanical seal
diffuser
oil lubricated antifriction bearing
ceramic bearing
shaft
balancing disk
wear rings
suction casing
(PEEK)
shaft sleeve
intermediate stage casing
Multistage Pumps Impeller Design Features
CFD assisted design Optimal specific speed Optional suction impeller available to obtain low NPSH-values Different sets of impellers for each pump size available Ceramic moulds result in smooth surfaces to reduce flow losses
Multistage Pumps Design Features
Suction chamber with favorable design for constant inlet velocities Reduced impact losses due to CFD optimized diffuser channels Optimized discharge casing shaped as a volute casing
Design Features Balancing Device
FAX + FAX + â&#x20AC;Ś = FE Full compensation of all axial forces
Balancing disc
F F A A X X
F E
Balancing counter disc
Self-actuating thrust compensation Minimum efficiency drop High reliability of operation Wear control through wear indicator
Control of wear during operation For optimal planning of maintenance work Optical indicator standard Additional inductive wear indicator applicable
Design Features Optional Suction Impeller dS1 < dS2
standard impeller ds1
ds2
special designed impeller for low NPSHr rates
Multistage Pumps Wear control Shaft marks show wear status
Wear indication by inductive sensor Output signal: 0…10 V / 2…20 V voltage 0…20 mA / 4…20 mA current
Competitiveness and Reliability Test Field
Every pump is tested prior dispatch According to DIN EN ISO 9906 Test grade 1 (highest standard) Flow up to 25.000 m続/h (110,000 gal/min) Power supply up to 5 MW (6705 hp) Pressure limit up to 200 bar (2900 PSI) Various tests are available (vibration, sound pressure, NPSH etc., witnessed tests)
Competitiveness and Reliability Low Lifecycle Costs
Wide range of impeller sets for high efficiencies and low wear Optimal specific speed design for best efficiency and lowest wear Selection of high quality materials Highest MTBS in class Very short down-time for exchanging wear parts Condition monitoring
Design Features rpm vs. wear
rpm n1
n1 > n2
rpm n2
Higher speed lead to a potential increase of wear by Exponent 2 to 4 (depending on media specifications)
Competitiveness and Reliability Condition Monitoring
Sensor for condition monitoring Easy integration into control system For non- and explosive areas available Software included free of charge Indication of Cavitation Misalignment Bearing wear
Internet-based control and support available
Competitiveness and Reliability References
MC: more than 2.800 units sold MCC: more than 600 units sold ROWA-HP & HPB: more than 500 units sold LHK/MHK/HK: more than 2.000 units sold Various good references available
Processes and References Gas Cleaning Industrial Applications
Seawater Desalination
Mining
Seawater Desalination Reverse Osmosis
Seawater
Pretreatment Filtration Chemical treatment
Reverse Osmosis High-pressure Pump ERD Booster Pump RO-membrane Energy-recovery
Concentrate
After-treatment Disinfection Additives
Product
Seawater Desalination Energy Recovery by Pelton Turbine
M
PreTreatment
Disposal
Product
Seawater Desalination Traditional Pump Unit Radial multistage pump arranged in the center with two conective shaft ends and variable nozzle connection Pelton Turbine
Standard motor with one shaft end and normal air flow conditions Pelton Turbine with nozzle valve replaces concentrate control valve
High-Pressure Pump
Seawater Desalination Type ROWA-RT
Simple and proven design Easy control by needle valve Single, double or triple nozzle operation
High efficiency along the complete operating range (>90%) In combination with VFD speed control widest operating range
Standard roller bearings outside the casing Variable flange location Material in DUPLEX or SUPER DUPLEX
Seawater Desalination Pelton Turbine type ROWA-RT
nozzle Pelton wheel shaft Casing
oil lubricated antifriction bearing
Seawater Desalination Energy Recovery by Pressure Exchanger (PX)
M
PreTreatment
Product M
Disposal
Seawater Desalination Complete Package
Matching single components maximize package efficiency Complete package pre-mounted â&#x20AC;&#x201C; only final adjustment at site necessary Final testing of the complete package on our test field to verify operating conditions Single source responsibility
Seawater Desalination Spain, Ibiza
3 high-pressure pumps type HK 15x5 Q=313 m続/h @ 70 bar (1,378 gal/min @ 1,015 PSI)
Delivered in 1992
Seawater Desalination Egypt, South Sinai
3 high-pressure pumps type HK 100x7 3 pelton turbines type ROWA-RT Q=135 m続/h @ 62 bar (594 gal/min @ 899 PSI)
Delivered in 1996 (today 14 similar pumps operating in 5 different SWRO plants in Egypt)
Seawater Desalination Algeria, La Fontaine
9 high-pressure pumps type HP 100x10 9 pelton turbines type ROWA-RT Q=232 m続/h @ 72 bar (1,021 gal/min @ 1,044 PSI)
Delivered in 2001
Seawater Desalination Oman, Sohar
3 high-pressure pumps type ROWA-HP 150x5 3 pelton turbines type ROWA-RT Q=367 m続/h @ 62 bar (1,615 gal/min @ 899 PSI)
Delivered in 2004
Seawater Desalination Qatar, Pearl
5 high-pressure pumps type ROWA-HP 200x2 810 m続/h @ 42 bar (3,566 gal/min @ 609 PSI)
Delivered in 2008
Seawater Desalination China, Tianjin
8 high-pressure pumps type ROWA-HP 150x3 605 m続/h @ 70 bar (2,663 gal/min @ 1,015 PSI)
8 high-pressure booster pumps type ROWA-HPB 250-380 796 m続/h @ 6 bar (3,504 gal/min @ 87 PSI)
Delivered in 2008
Seawater Desalination Australia, Brisbane
5 high-pressure pumps type ROWA-HP 200x2 833 m続/h @ 21 bar (3,667 gal/min @ 304 PSI) 5 high-pressure pumps type ROWA-HP 150x2 400 m続/h @ 26 bar (1,761 gal/min @ 377 PSI) 5 high-pressure pumps type ROWA-HP 100x3 162 m続/h @ 30 bar (713 gal/min
@ 435 PSI)
Delivered in 2010 Online Condition Monitoring System
Mining Germany, Heinrich Robert
high-pressure pump type HK 200x13 340 m続/h @ 110 bar (1,496 gal/min @ 1,595 PSI)
Delivered in 1974
Mining Germany, Ibbenb端ren
high-pressure pump type HKP 50x3 720 m続/h @ 30 bar (3,170 gal/min @ 435 PSI)
First supply in 1939 Last time supplied in 1988
Mining Poland, Bogdanka
high-pressure pump type HK 200x13 500 m続/h @ 100 bar (4,495 gal/min @ 1,450 PSI)
First supply in 2006 Two drive shaft ends
Mining Poland, Lubin
high-pressure pump type MHK 250x6 540 m続/h @ 67 bar (2,377 gal/min @ 971 PSI)
first pump supplied in 2005 3 additional pumps in 2006 and 3 additional pumps in 2008 one pump in 2010 one pump in 2012
Mining Bulgaria, Steelwork
single-stage pump type DH 300.70 900 m続/h @ 6,5 bar, 865 rpm (3,962 gal/min @ 94 PSI)
supplied in 1984
Mining Germany, Auguste Victoria
single-stage pump type DH 400.75 2.000 m続/h @ 4 bar, 742 rpm (8,805 gal/min @ 58 PSI)
supplied in 1992
Gas Cleaning Turkey, Iskenderun
Single-stage pump type MCC 500-800 4.010 m続/h @ 24 m, 596 rpm (17,655 gal/min @ 34.8 PSI)
Up to 70.000 ppm of chlorides supplied in 2001
Gas Cleaning Spain, Soto
Single-stage pump type MCC 600-850 4.926 m続/h @ 22 m, 542 rpm (21,688 gal/min @ 31.9 PSI)
Up to 30.000 ppm of chlorides supplied in 2006
Gas Cleaning Czech Republik, Melnik
Single-stage pump type MCC 700-850 6.223 m続/h @ 18,5 m, 535 rpm (27,399 gal/min @ 26.8 PSI)
Up to 25.000 ppm of chlorides supplied in 1996
Gas Cleaning China, Yuanbaoshan
Single-stage pump type MCC 800-950 9.800 m続/h @ 26,5 m, 595 rpm (43,148 gal/min @ 38.4 PSI)
Up to 60.000 ppm of chlorides supplied in 2005
Gas Cleaning Germany, Voerde
Single-stage pump type MCC 800-1100 8.800 m続/h @ 25,4 m, 495 rpm (38,745 gal/min @ 36.8 PSI)
Up to 30.340 ppm of chlorides supplied in 2005
Gas Cleaning Czech Republic, Tusimice
Single-stage pump type MCC 900-1180 11.000 m続/h @ 25,3 m, 424 rpm (48,431 gal/min @ 36.7 PSI)
Up to 30.000 ppm of chlorides supplied in 2007
Gas Cleaning Bulgaria, Maritza
Single-stage pump type MCC 900-1200 12.500 m続/h @ 25,4 m, 395 rpm (55,035 gal/min @ 36.8 PSI)
Up to 20.000 ppm of chlorides supplied in 2003
Gas Cleaning USA, KU Brown
Single-stage pump type MCC 1000-1250 15.352 m続/h @ 25,3 m, 388 rpm (67,592 gal/min @ 36.7 PSI)
Up to 10.000 ppm of chlorides supplied in 2006
75 years Quality through Experience