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Poppet Check Valve

1/8” - 1/2” Dual Ferrule Tube
Female NPT & Male NPT
1/4” Face Seal 0 - 3000 Psig


Poppet type, zero leak, inline check valve for liquid and gas applications to 3000 Psig. Fully retained O’ring seal design permits full rated pressure in the checked direction. Offered with fully interchangeable dual ferrule tube or metal to metal face seal connections. A variety of crack pressures and seal materials, combined with a metal to metal positive stop provides long trouble free service life in the most demanding applications.


  • Working Pressures to 3000 Psig (206 bar)
  • Full Back Pressure Rating
  • Fully Retained O’Ring Seal
  • Dual Ferrule Tube, Female NPT, Male NPT and Face Seal Connections
  • Cracking Pressures from 0.3 to 25 Psig (0.02 - 1.7 bar)
  • 100% Factory tested for crack, leakage and reseal performance

Technical Data

  • Nominal Crack Pressures: 0.3, 1, 10, & 25 Psig (0.02, 0.07, 0.7 & 1.7 bar)
  • Maximum Pressure: 3000 Psig @ 70°F (206 bar @ 21°C)
  • Temperature Rating:
    • -80°F to 375°F (-62°C to 190°C)
    (based on seal selection, see ordering information)

Materials of Constructions

Component Valve Body Material
Brass Stainless Steel
Inlet Cap, Outlet Body, Poppet Brass, ASTM B16 316 SS, ASTM A4791
O'Ring Retainer 316 SS, ASTM A479
Spring 302 SS, ASTM A313
O'Ring Seal2 Buna-N VitonTM
1 PTFE dry lubricant applied to threads
2  Lubricated with KrytoxTM GPL-202

Dimensionsional Data

Ordering Information

PROPER COMPONENT SELECTION - When specifying a component, the total system design must be considered to ensure safe and trouble-free performance. Intended component function, materials compatibility, pressure ratings, installation, environment and maintenance are the responsibility of the system designer.