Fire Protection 400 series basic valve data


  • One-piece molded diaphragm assembly – No distortion caused by high differential pressure
  • Quick cover removal – Minimal down time
  • Never “sticks” closed – Reliability
  • Simple design
  • Available (50mm) in BSP female thread (Option of NPT)
  • Available in flanged Table E or ANSI flanges (others on request)
  • Available in rolled groove standard to BS1378 – Steel Pipe (Option of ANSI/AWWA C606 design)


The 400 series hydraulic valve data is used in pressure control, level control, and deluge valves in the fire industry.

Some of the valve build assemblies have both UL and FM accreditation


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