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The pressurization of the alarm chamber causes the alarm to sound mechanically through the use of a water motor alarm or through the use of a pressure switch, electrically connected to audible or visual signaling devices.
Alarm Check Valve is of 8 types:-
1.3” Flange/Groove Alarm Check Valve
2.4” Flange/Groove Alarm Check Valve
3.6” Flange/Groove Alarm Check Valve
4.8” Flange/Groove Alarm Check Valve
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