Alarm Check Valve 8
In the event of variable pressure condition false alarm.
Alarm check valve 8. Meanwhile in the event of variable pressure condition false alarm is prevented with provision of retard chamber at the external bypass. It serves a dual purpose which prevents a reverse flow of water non return also provides for the use of the water motor gong. The av 1 300 alarm check valve trim includes pressure gauges to monitor system pressure conditions a bypass check valve a main drain valve and an alarm test valve. 3 4 6 8 model h series alarm check valve installation and maintenance guide 4077 airpark drive standish michigan 48658 phone 989 846 4583 800 248 0278.
The wet alarm valve is designed for applications where the water is unlikely to freeze. Technical data sheet en it nl pt. Alarm check valve 300 psi 20 7 bar 2 1 2 to 8 dn65 to dn200 vertical or horizontal installation model rc 1 retard chamber for variable pressure wet pipe sprinkler systems 300 psi 20 7 bar model wma 1 water motor alarm hydraulically operated mechanical sprinkler alarm model cv 1fr riser check valv 2 through 8 model rm 1. Alarm check valve is core element in wet pipe fire sprinkler systems.
Alarm valve is a double seated clapper check valve with grooved seat design which ensures positive water flow for alarm operation and is designed for installation in wet pipe sprinkler system. Cancer and reproductive harm www p65warnings ca gov. External bypass prevents false alarm under all supply pressure condition. Once the alarm check valves are activated they will allow water to flow through the system engaging the sprinkler system as and where needed in order to suppress a potential fire.
Documents and resources technical data sheets. The water staying pressurized in the pipes is released over the fire area after the sprinkler is activated. The bypass check valve reduces the possibility of false alarms by permitting slow as well as small transient increases in water supply pressure to be passed through. Century internation building 17 qingdao road luoyang area of china henan pilot free trade zone.
Either manually when a person activates a water gong or electronically.