Fire Foam Pressure Relief Valve

This valve automatically relieves excess foam pump discharge pressure to prevent the pressure from exceeding the rating of the fire system components. The engineered SLF (sense line flush) feature assures accurate pressure control by continuously flushing the pilot sensing chamber (flow through design).



  • Limits maximum foam system pressure
  • Opens quickly; accurately maintains pressure
  • Adjustable: 20-80, 65-180, or 100-300 psi
  • Pilot operated main valve
  • Pressure setting is adjustable with single screw
  • Sense line flush can be manually selected
  • Factory tested and pre-set to requirements
  • Globe or angle pattern
  • Wide range of materials available