Alarm Check Valve Viking
Flow control pressure regulation.
Alarm check valve viking. Viking valves systems. Wet system valves trim. 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. The water staying pressurized in the pipes is released over the fire area after the sprinkler is activated.
Alarm check valve viking hassan fire fighting. Any alarm check valve should be carefully tested examined and cleaned periodically in accordance with nfpa 25. Spil team2 1 271 views. Wet system valves water motor alarm model av 1 300 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.
Alarm check valve is core element in wet pipe fire sprinkler systems. In the event of variable pressure condition false alarm. External bypass prevents false alarm under all supply pressure condition. If during the annual inspection of alarm check valves sediment or free particles of matter are noted a further.
It serves a dual purpose which prevents a reverse flow of water non return also provides for the use of the water motor gong. Viking valves systems. Meanwhile in the event of variable pressure condition false alarm is prevented with provision of retard chamber at the external bypass. It is most important to ensure a clean water supply free of debris and solid particles such as sand gravel or mud.
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. An alarm check valve can be activated or opened in one of two basic ways. Alarm check valve vertical trim model j 1 alarm check valve vertical trim model j 1 technical details. Piv main drain and water flow alarm testing nfpa 25 duration.
Viking cpvc piping system. Either manually when a person activates a water gong or electronically. The wet alarm valve is designed for applications where the water is unlikely to freeze.