OPC Check Valve

Brand: Generant Inc

The Cylinder Check Valve is used on the gas use outlet of industrial cryogenic liquid cylinders to prevent back flow into the cylinder. 

The optional “Tamper Evident Restraint” provides a visual indication if removal of the connection has been attempted. Available in CGA 540 and 580 configurations.
Features
  • Compact and rugged one piece body construction
  • Optional “Tamper Evident Restraint” - lock wire and lockout tag
  • Provides visual evidence of compliance
  • High flow design exceeds maximum cylinder output
  • Supplied cleaned and bagged for oxygen service
  • GLT low temperature viton seal

Specifications

Brand

Cracking Pressure

  • Nominal - psig: 1 (kPa: 7, bar: 0.07)

Enclosure, Body Material

  • Brass

Flow Capacity

  • Flow Coefficient: 0.65 Cv

Materials of Construction

  • Seat Insert: Brass, ASTM B16

NPT Connection

  • 1/2” NPT Male
  • 3/8” NPT Male

Operating Pressure

  • psig: 3,000 (kPa: 20,600, bar: 206) at 66° C (150° F) - Max.

Poppet Material

  • Brass, ASTM B16

Proof Pressure

  • psi: 5,000 (34,500, bar: 345)

Screw Material

  • Seat Locking Screw: Brass, ASTM B16

Seat / Seal Material

  • O-Ring Seal: GLT Viton

Spring Material

  • Phospher Bronze

Documentation

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