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Kochek Piston Intake Relief Valve

Kochek Piston Intake Relief Valve


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N.F.P.A. approved! These aluminum valves are covered by a 5-year warranty against failure due to corrosion.


  • Compact lightweight powder coated aluminum body piston valve w/45° elbow and corrosion resistant brass piston designed for maximum flows
  • Highly corrosion resistant chrome-plated brass internal piston
  • Large turbulence reducing oval waterway for minimal friction loss
  • Forged storz head with stainless steel locking mechanism
  • Pressure relief valve allows for easy adjustments from 75-250 PSI in increments of 25 with around 2-5/8" dump
  • Extends only 10-1/4" from the pump panel
  • Tested per NFPA 1965
  • Friction Loss: 6 PSI at 1,500 GPM: 10 PSI at 2,000 GPM
  • Easy to adjust pressure relief valve
  • Newly designed air bleeder