EZH Instruction manual

Page 1

Type EZH

Instruction Manual Form 5757 September 2008

Type EZH Pressure Reducing Regulator

W8346

TYPE PRX-120 W8348

TYPE PRX-120/AP

Figure 2. PRX Series Pressure Reducing Pilots

Introduction Scope of Manual W8480

!

WARNING

Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion and/or fire causing property damage and personal injury or death. Fisher速 regulators must be installed, operated, and maintained in accordance with federal, state, and local codes, rules and regulations, and Fisher instructions. If the regulator vents gas or a leak develops in the system, service to the unit may be required. Failure to correct trouble could result in a hazardous condition. Call a gas service person to service the unit. Only a qualified person must install or service the regulator.

This manual provides installation, startup, maintenance, and parts ordering information for the Type EZH pressure-reducing regulator, PRX Series pilots, and Type SA/2 pilot supply filter regulator. Information on other equipment used with this regulator is found in separate manuals.

Product Description Type EZH regulators are accurate pilot-operated, pressure balanced, soft-seated regulators. They are designed for use in high pressure natural gas transmission/city gate stations, large capacity distribution systems, and power plant feeds. They provide smooth, reliable operation, tight shutoff, and long life.

Pilot Descriptions The Type EZH pressure-reducing regulator includes a PRX Series pilot mounted on the Type EZH main valve for pressure reducing or wide-open monitoring applications. PRX Series pressure reducing pilots have the ability to handle a wide range of setpoints from 7.3 to 1160 psig (0,50 to 80,0 bar):

www.emersonprocess.com/regulators

D103077X012

Figure 1. Type EZH Pressure Reducing Regulator


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