FP 420 Pressure Reducing Valve


  • Simple design – cost-effective
  • Quick cover removal – easy in-line service
  • One piece diaphragm – reliability
  • Line-pressure driven
  • Unrestricted flow path
  • CCCF approved for fire installations


The Model FP 420 Pressure Reducing Valve is a hydraulically self-operated, diaphragm actuated control valve that reduces high, unstable upstream pressure to maintain precise stable downstream pressure, regardless of fluctuating demand or varying upstream pressure.

Typical applications include:

  • Hose station feeds
  • Sprinkler systems with overpressure
  • Deluge systems with overpressure
  • Foam systems
  • Fire Hydrant water supply

Approved for fire protection installations by CCCF , ABS & Lloyd’s Registered



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