Bolted Cover Piston Check Valves

  • Stronger, leakproof bolted body bonnet joint.
  • Low pressure drop compared to vertical globe valves.
  • Excellent resistance to thermal changes.
  • Forged bonnet ring is centered by the body bore and provides perfect sealing surface for the pressure seal gasket.
  • Quick and easy repair in the line.
  • Integral seat – CoCr alloy providing maximum resistance to wear, erosion and distortion due to high temperature changes and piping loads.
  • Equalizer piping for safe operation.

Description

Size Range(s)

  • NPS 2-1/2 – 14
  • (DN 65 – 350)

Pressure Rating

  • ASME Classes 150 – 1500

Standard Connections

  • Butt Weld, Socket Weld

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