Pump Relief Valve

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  • UL Tested to the latest UL 448C standard for positive displacement pumps
  • FM Approved per class 1313 & 1359
  • Bronze construction viton seats
  • Factory set pressure @ 10% above pump’s maximum design pressure
  • Reseat pressure at 90% of set pressure
  • Leak free at 85% of set pressure
  • Factory set, labeled, and tested
  • No field adjustment allowed
  • Discharge must be piped back to foam concentrate tank using same pipe size as outlet or greater with no shut off valves in discharge line.

Chemguard can supply the pump, controller and PRV assembly as required by UL & FM as being listed or the complete skid assembly that will include all integral piping for ILBP or Balanced pressure system.