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 the flow of water from the sprinkler system. Alarm Valve is UL Listed and FM Approved.
Features:
Constructed from high-quality ductile iron ASTM – A536 material, offering exceptional strength and corrosion resistance.
Internally and externally coated with fusion-bonded epoxy to ensure superior protection against environmental and operational wear, enhancing longevity.
Available in multiple configurations—Flanged x Flanged, Grooved x Grooved, and Grooved x Flanged—to suit diverse installation needs.
Operating Pressure: Rated for a maximum operating pressure of 17.5 Bar (250 PSI), ensuring reliable performance in demanding fire protection systems.
Sizes: Offered in 80 NB, 100 NB, 150 NB, and 200 NB, catering to a range of flow requirements.
Trim Options:
Variable Pressure Trim equipped with a Retard Chamber and Water Motor Gong for precise pressure control and audible alarm signaling.
Constant Pressure Trim is available as an optional configuration for specific applications.
UL Listed and FM Approved, meeting global safety and performance standards.
Hotline:
+49 (0)511 89-0
Deutsche Messe AG
Cookie Einstellungen