Parker Pneumatic
0R Series Quick Exhaust Valves

Quick exhaust valves provide rapid exhaust of control air when placed between control valve and actuator. They can also be used as shuttle valves. Diaphragm materials are available in urethane, Nitrile, Fluorocarbon, and PTFE to meet a wide variety of operating conditions.

Common Part Numbers

  • 0R12B
  • 0R25B
  • 0R37B
  • 0R50B
  • 0R75B

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Diaphragm materials are available in urethane, Nitrile, Fluorocarbon, and PTFE to meet a wide variety of operating conditions.


Maximum Pressure:

  • 150 PSIG 
  • 200 PSIG for Model No. 0R37TB  (PTFE diaphragm)

Minimum Pressure:

  • 3 PSIG 
  • 50 PSIG for Model No. 0R37TB (PTFE diaphragm)

Operating Temperature:

  • Urethane: 0°F to 180°F* (-18°C to 80°C) 
  • Nitrile: 0°F to 180°F* (-18°C to 80°C) 
  • Fluorocarbon: 0°F to 400°F* (-18°C to 205°C) 
  • PTFE: 0°F to 500°F* (-18°C to 260°C)

Component  Materials

Body Material:  Die cast aluminum

Static Seals:  Nitrile standard with urethane   (Others see below)

Diaphragm:  

  • Standard – Urethane
  • Optional – Fluorocarbon, PTFE, or Nitrile (Depending  on size)


Catalogs
0R Technical Pages 0R Technical Pages
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