One Piece Check Valve (OPC)

One Piece Check Valve (OPC)
One Piece Check Valve (OPC)

1/4” & 1/2" NPT
3,000 Psig


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 3,000 Psig. 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.


  • Compact One Piece Body Construction
  • Working Pressures to 3,000 Psig (206 bar)
  • Full Back Pressure Rating
  • Fully Retained O-Ring Seal
  • Cracking Pressures from .3 to 25 Psig (0.02 – 1.7 bar)
  • 100% Factory tested for crack, leakage and reseat performance

Technical Data