O-ring Check Valve


Catalog literature: Medium Pressure Fittings & Tubing.pdf Acrobat DC


Provides unidirectional flow and tight shut-off for liquids and gas with high reliability. When differential pressure drops below cracking pressure (20 PSIG standard), valve shuts off.

Technical Data:

  • Operating pressure: 20,000 PSIG @ RT
  • Connection size: 1/4″
  • Connection type: SF250CX (“SlimLine” coned-and-threaded)
  • Orifice diameter: 0.125″
  • O-ring material: Viton
  • Max temperature: 400F
  • Cv: 0.28
  • Micron size: N/A microns
  • Element area: N/A