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Upstream vs downstream pressure is balanced via communication of the process fluid above and below the balancing diaphragm or piston in order to eliminate opening/closing forces due to pressure differential. Designed for liquid systems, and available in either pressure-opening (normally closed) or pressure-closing (normally open) configurations.
Specifications
- Connection Size: 2 "
- Connection Type: Female NPT
- Body Style: Through Body
- Body Material: Cast Ductile
- Option Available for NACE MR0175 compliance or certification.
- Trim Size: 2 "
- Trim Type: Equal Percentage
- Seal Class: Class VI
- Process Fluid: Liquid and Gas
- Max. Working Pressure: 500 psig
- Actuator Spring Nominal Pressure: 30 psig
- Actuator Crack Open Pressure: 10 psig
- Actuator Full Open Pressure: 30 psig
- Max. Supply Gas Pressure: 45 psig
- Valve Fail Position: Open
- Operation: Pneumatic
- Catalog Page: E3:25.7
- Face-to-Face Length: 8.5 "
- Repair Kit P/N: RUWD