Check Valve

Basic Design: API 602, ANSI B16.34
Test & Inspection: API 598

Design Features:

  • Bolted bonnet with spiral-wound gasket
  • Lift or Piston Check
  • Ball check
  • Swing check


  • Basic Design: API 602, ANSI B16.34
  • End to End: DHV Standard
  • Test & Inspection: API 598
  • Screwed Ends (NPT) to ANSI/ASME B1.20.1
  • Socket weld Ends to ASME B16.11
  • Butt weld Ends to ASME B16.25
  • End Flange: ANSI B16.5

Optional Features:

  • Cast Steel, Alloy Steel, Stainless Steel
  • Full Port or Regular Port
  • Welded Bonnet or Pressure Seal Bonnet
  • Manufacturing to NACE MR0175 upon reques

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