Generant One Piece Check Valve, Series OPC
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Series OPC One-Piece Check Valve

Brand: Generant Inc
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Compact one piece body, fully retained O-ring seal, poppet type check valve. 

Available in 1/4" and 1/2" NPT in brass or 316 stainless steel. Suitable for working pressures to psig: 3,000 (kPa: 20,684, bar: 206.8). 

A wide selection of seal materials and crack pressures make the Series OPC a quality and cost effective solution. All valves are 100% factory tested and available cleaned and packaged for oxygen service.
Features
  • Compact one piece body construction
  • Working pressures to psig: 3,000 (kPa: 20,600, bar: 206)
  • Full back pressure rating
  • Fully retained O-ring seal
  • Cracking pressures from psig: 0.3 to 25 (kPa: 2 to 170, bar: 0.02 to 1.7)

Specifications

Brand

Cracking Pressure

  • Nominal - psig: 0.3 to 25 (kPa: 2 to 170, bar: 0.02 to 1.7)

Enclosure, Body Material

  • 316 Stainless Steel
  • Brass

Flow Rate

  • 0.35 Cv - Model OPC-4P, OPC-4MF, OPC-4FF
  • 1.20 Cv - Model OPC-8P, OPC-8MF

Materials of Construction

  • Poppet, Seat Insert: 316 Stainless Steel - ASTM A479
  • Poppet, Seat Insert: Brass, ASTM B16

NPT Connection

  • 1/2” NPT Female
  • 1/2” NPT Male
  • 1/4” NPT Female
  • 1/4” NPT Male

Operating Pressure

  • psig: 3,000 (kPa: 20,600, bar: 206) at 21° C (70° F) - Max.

Screw Material

  • Locking Screw: 316 Stainless Steel - ASTM A479
  • Locking Screw: Brass, ASTM B16

Seat / Seal Material

  • O-Ring Seal: Buna-N for Brass Valve Body Material
  • O-Ring Seal: Viton for Stainless Steel Valve Body Material
  • Seal: Ethylene Propylene
  • Seal: Fluorosilicone
  • Seal: Neoprene
  • Seal: PTFE
  • Seal: Silicone

Spring Material

  • 302 Stainless Steel - ASTM A313

Temperature Range

  • -62° to 232° C (-80° to 450° F)
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