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Free Flow Reverse Current Check

"Positive closing swing check valve for steam turbine protection"
"Low pressure drop"

  • Air operated, spring loaded closing cylinder assures rapid positive closure
  • Activated on turbine trip and heater high water level alarm
  • Free swinging disc provides responsive movement in flow stream
  • Self aligning disc provides tight sealing
  • Inclined seat design improves flow characteristics and reducing swing enables valve to close more quickly
  • Valves 14?and larger provided with external lever and counterweight which reduces pressure drop and stabilizes disc movement in flow stream


  • Steam turbine extraction lines (Bled Steam)
  • Cold Reheat Line


  • 4" - 60" ANSI Class 150, 300, 600 and 900


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