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PPS Gate Valve

Main steam and main feedwater isolation

Isolation valve, actuated by the medium in the system, using pressurizing principle. Block- design with direct mounted pilot valves.

  • Used for main steam isolation valve in BWR and PWR reactors and as a main feed-water isolation valve.

  • Size up to 29.9” (760mm).
  • Class up to 2500.
  • Forged/cast carbon or stainless steel.
  • QME-1 qualified for steam. Variety of different qualification programs for water and two phase flows.


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