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.


Specifications:
• Maximum Operating Pressure (Air): 150 PSIG / 200 PSIG for Model No. 0R37TB (PTFE diaphragm)
• Minimum Operating Pressure (Air):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
• Diaphragm:  Standard – Urethane

Unit of Measure

Specifications

Body Material

N/A Die Cast Aluminum

Seal Material

N/A Urethane or Viton or Teflon

Diaphragm Material

N/A Urethane or Viton or Teflon
Flow1 N/A 90 scfm

Operating Temp. Range

N/A - 40 to 180 ºF

Min. Operating Air Pressure

N/A 3 psig

Max. Operating Air Pressure

N/A 150 psig

Dimension A

N/A 1/4 in

Dimension B

N/A 1/4 in

Dimension C

N/A 1/4 in

Dimension D

N/A 7/8" Sq.

Dimension E

N/A 1.75

Dimension F

N/A 1.88

Service Kit Number

N/A 3640 8000

Manufacturer

N/A Parker / Schrader Bellows®
  • 1 At 100 psig inlet pressure with full pressure drop