Fire Pump High Pressure Relief Valve

This valve automatically relieves excess fire pump discharge pressure to prevent the pressure from exceeding the rating of the fire system components. It is specifically designed for systems where the relief set point must be higher than the pressures allowed for UL listed / FM approved valves.



  • Limits maximum pump discharge pressure
  • Opens quickly; maintains pressure within close limits
  • Adjustable 200psi – 740psi (13.7 bar – 51.0 bar)
  • Pilot operated main valve
  • Simple field adjustable pressure setting with no special tools or system downtime
  • Factory tested & preset to requirements
  • Sizes 3” (DN80) – 8” (DN200), globe & angle pattern (108-2HPA)
  • ANSI Flanged Class #300 & #300 inlet x #150 outlet
  • Wide range of materials available
  • Applicable for water & seawater