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Quick Closing Non Return Valve

Quick closing non-return valves are installed on the turbine extraction pipelines that supply steam to the primary-secondary heater, auxiliary turbines and other equipment. They prevent reversal of flow and provide a quick positive shut off, thus limiting damage to the source equipment in the event of a trip. 
  • Closing in less than a second
  • Complete disc closure at no flow condition
  • Reliable reverse flow prevention
  • Side mounted pneumatic spring return actuator
  • Protects sophisticated systems and equipment from damage
  • Compact actuator for reduced footprint
  • Reduced pressure loss