Alarm Check Valves are divided seat ring, rubber faced clapper, check type water-flow alarm valves which are intended for use in wet pipe (automatic sprinkler) fire protection systems. They are designed to automatically actuate electrically and/or hydraulically operated alarms when there is a steady flow of water into the system which is equivalent to the discharge rate of one or more sprinklers.
Unilateral piping, easy to operate
85dB water motor gong, beautiful shape
1.7L chamber, to prevent false alarm
Rating working pressure 1.6MPa
Alarm check valve get the FM Approval
The size can be 4",6",8" with NFPA standard flange connection.
Accessories include pressure gauge, pressure switch, trims and water motor gong.