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咨询发送询价
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: 4 "
- Connection Type: 150 RF
- Body Style: Angled Body
- Body Material: Cast Ductile
- Option Available for NACE MR0175 compliance or certification.
- Trim Size: 3 "
- Trim Type: Linear (Nominal)
- Seal Class: Class VI
- Process Fluid: Liquid and Gas
- Max. Working Pressure: 250 psig
- Actuator Spring Nominal Pressure: 25 psig
- Actuator Crack Open Pressure: 10 psig
- Actuator Full Open Pressure: 25 psig
- Max. Supply Gas Pressure: 45 psig
- Valve Fail Position: Open
- Operation: Pneumatic
- Catalog Page: E3:10.7
- Repair Kit P/N: RFX