API 594 Check Valves

Size Range: 2″ – 60″
ASME Class: 150, 300, 600, 1500 & 2500
End Connections: Raised Face, RTJ Butt Weld

  • Designed to BS 1868 / API 594
  • Tested to API 598
  • ASME B16.34
  • Bolted Bonnet
  • External and Internally Assembled Hinge Pin Designs Available
  • Dampeners, Lock Outs and Manual Overrides Available
  • Renewable Seal Welded Seat
  • All API Trim Materials Available
  • Standard Swing Design for Horizontal Applications Only
  • Spiral Wound Gasket for 150# ~ 600# Valves
  • RTJ Gasket for 900# and Above

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