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Iron Check Valves

MSS SP-71 Iron Check Valves

  • Figure Numbers: 559 / 1259 / 559P
    • Bolted Bonnet
    • Flat Face Flange Ends
    • A126-B or 3% Nickel Iron
  • Design Features
    • Seat faces lapped for smooth finish and superior sealing
    • Swivel disc for improved seat alignment and longer life
    • Each valve is shell and seat pressure tested per industry standard MSS SP-71
    • Check valve are suitable for service in horizontal line with cap vertical or in a vertical line with flow upward

Click Here for Powell Spec Sheet