Generant Check Valve, Series CV
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Series CV Check Valve

Brand: Generant Inc
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High flow, zero leak, low pressure drop check valve suitable for most fluid and gas applications. 

Fully guided poppet with free floating O-ring design is extremely tolerant of particulate contamination. A metal to metal positive stop in both the open and checked position protects O-ring and spring from over-stress fatigue. 

Zero external leakage is achieved by the utilization of a static O-ring seal with PTFE backup ring. When specified with the proper seal material, these valves are ideally suited to cryogenic system applications.

Specifications

Brand

Applications

  • Fluid Applications
  • Gas Applications

Cap Material

  • Inlet Cap: 303 Stainless Steel ASTM A582
  • Inlet Cap: 316 Stainless Steel ASTM A479
  • Inlet Cap: Brass ASTM B16
  • Inlet Cap: Carbon Steel ASTM A108
  • Inlet Cap: Zinc & Black-Plated Per ASTM B633

Cracking Pressure

  • Nominal - psig: 0.15 to 8 (kPa: 1 to 55, bar: 0.01 to 0.55)

Enclosure, Body Material

  • 303 Stainless Steel
  • 316 Stainless Steel
  • Brass
  • Carbon Steel
  • Zinc

Flow Rate

  • 1.7 to 51 Cv
  • 35 to 1,200 scfm at 5 psid

Materials of Construction

  • Poppet, Spring Retainer: 303 Stainless Steel ASTM A582
  • Poppet, Spring Retainer: 316 Stainless Steel ASTM A479
  • Poppet, Spring Retainer: Brass ASTM B16
  • Poppet, Spring Retainer: Carbon Steel ASTM A108
  • Poppet, Spring Retainer: Zinc & Black-Plated Per ASTM B633

NPT Connection

  • 1” NPT Female
  • 1/2” NPT Female
  • 1/4” NPT Female
  • 1/8” NPT Female
  • 1-1/2” NPT Female
  • 1-1/4” NPT Female
  • 2” NPT Female
  • 3/4” NPT Female
  • 3/8” NPT Female

O-Ring Material

  • Static & Dynamic O-Ring: Buna-N - Brass & Carbon Valve Body Material
  • Static & Dynamic O-Ring: Viton - 303 & 316 Stainless Steel Valve Body Material

Operating Pressure

  • psig: 1,500 (kPa: 10,300, bar: 103) - Max.
  • psig: 3,000 (kPa: 20,600, bar: 206) - Max.
  • psig: 4,500 (kPa: 31,000, bar: 310) - 303 & 316 Stainless Steel (1/8” to 1” Pipe Size)

Pipe Size

  • 1/8” to 2” (3.17 to 50.8 mm)

Ring Material

  • Back-Up Ring: Virgin PTFE

Seat / Seal Material

  • Seal: Buna-N
  • Seal: Ethylene Propylene
  • Seal: Fluorosilicone
  • Seal: Neoprene
  • Seal: PTFE
  • Seal: Silicone
  • Seal: Viton

Spring Material

  • 302 Stainless Steel - ASTM A313

Temperature Range

  • -195° to 232° C (-320° to 450° F)
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