ALARM VALVES
ARV - Malaysia's Automatic Check Valves are automatic triggered by incoming signals from fire extinguishers, smoke detectors, fire detectors, alarm signaling valves The system of fire extinguishers by pressure sensor, pneumatic, ..
Available from DN65 -> DN200
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Sizes 2-1/2" thru 8" (DN65 thru DN200)
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Alarm Valves may be installed vertically or horizontally
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Groove x Groove, Flange x Flange, Flange x Groove Alarm Valves are divided seat ring, rubber-faced clapper, check type, water flow alarm valves
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For use in wet pipe (automatic sprinkler) fire protection systems
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Automatically actuates electrically and/or hydraulically operated alarms when there is a steady flow equivalent to the discharge rate for one or more sprinklers
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Optional Retard Chamber used in installations subject to variable pressure (generally associated with public water supplies) to help prevent false alarms
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Available pre-assembled with modular trim to provide a quick and convenient method for trimming valve risers.
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Working water pressure range is 20 to 300 psi (1,4 to 20,7 bar)