Functions as check valves, preventing reverse flow.
Activates alarm via water motor gong and/or pressure switch during sustained water flow.
UL Listed and FM Approved.
Available with trims including a retard chamber and water motor alarm gong.
Description
HD Alarm Valves function as check valves, retaining pressurized water above the clapper and preventing reverse flow from the sprinkler system piping. Alarm valves are designed to activate an alarm via a water motor gong and/or pressure switch during sustained water flow in a wet pipe system, such as when a fire sprinkler operates. HD Alarm Valves are UL Listed and FM Approved. They are available with trims including a retard chamber and water motor alarm gong. For detailed approval information, technical specifications, construction, operating principles, and ordering details, please refer to the product catalogue.
Alarm Valve
HD Alarm Valves function as check valves, retaining pressurized water above the clapper and preventing reverse flow from the sprinkler system piping. Alarm valves are designed to activate an alarm via a water motor gong and/or pressure switch during sustained water flow in a wet pipe system, such as when a fire sprinkler operates. HD Alarm Valves are UL Listed and FM Approved. They are available with trims including a retard chamber and water motor alarm gong. For detailed approval information, technical specifications, construction, operating principles, and ordering details, please refer to the product catalogue.
Certificates
UL Listed
FM Approved
CE
Certificate of Constancy of Performance (2809-CPR-F0087) from FM Approvals Europe
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