Alarm Check Valve With Trim
E alarm check valves with e3 trim.
Alarm check valve with trim. It serves a dual purpose which prevents a reverse flow of water non return also provides for the use of the water motor gong. An alarm check valve can be activated or opened in one of two basic ways. Cad drawings engineering specs valve size. Trim description the e3 trim sets for the reliable model e alarm valve fig.
Relief valve kit illustrated in fig. The victaulic fire sprinkler system alarm check valves control water pressure help prevent water in the system from back flowing into the original water source. Cancer and reproductive harm www p65warnings ca gov. 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.
Documents and resources technical data sheets. 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. The trim also serves as means for testing the op. E alarm check valves with e3 trim.
2 are arranged for rapid easy and compact attachment and serves as connection points to reliable alarm and other devices. Cancer and reproductive harm www p65warnings ca gov. 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. Either manually when a person activates a water gong or electronically.
Once activated alarm check valves will allow water to flow through the sprinkler system initiating the sprinklers to suppress a fire. It is most important to ensure a clean water supply free of debris and solid particles such as sand gravel or mud. Sizes from 1 8 40 200 mm. Series 751 firelock alarm check valve vds trim prevents the reverse flow of water from the system piping to the water supply.
Meanwhile in the event of variable pressure condition false alarm is prevented with provision of retard chamber at the external bypass. See full size image. Any alarm check valve should be carefully tested examined and cleaned periodically in accordance with nfpa 25. The contraction and.
Alarm check valve is core element in wet pipe fire sprinkler systems. Globe alarm check valve installation and maintenance guide important notes 1. Technical data sheet en it nl pt.