Alarm Valve Model H

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HD Alarm Valve acts as a check valve by trapping pressurized water above the clapper and preventing reverse flow from sprinkler piping. It is used to actuate a fire alarm during flow of water from the sprinkler system. Alarm Valve is UL Listed and FM Approved.
Description
  • Ductile Iron material to ASTM – A536
  • Flanged x Flanged, Grooved x Grooved and Grooved x Flanged available
  • Rated for maximum 17.5 Bar (250 PSI) operating pressure
  • Size: 80, 100, 150 and 200 NB
  • Variable Pressure Trim with Retard Chamber and Water Motor Gong
  • Constant Pressure Trim available as an option
  • Epoxy painted internally & externally
  • UL Listed and FM Approved