Alarm Check Valve Meaning

External bypass prevents false alarm under all supply pressure condition.

Alarm check valve meaning. Alarm check valve is core element in wet pipe fire sprinkler systems. Documents and resources technical data sheets. It serves a dual purpose which prevents a reverse flow of water non return also provides for the use of the water motor gong. Cancer and reproductive harm www p65warnings ca gov.

This trim is supplied with the sprinkler alarm bell which bells on actuation of the deluge valve. 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. Alarm check valve and flow meter detector use for the mechanical and electronical alarm detections. An alarm check valve can be activated or opened in one of two basic ways.

In the event of variable pressure condition false alarm. A check valve clack valve non return valve reflux valve retention valve or one way valve is a valve that normally allows fluid liquid or gas to flow through it in only one direction. Check valves are two port valves meaning they have two openings in the body one for fluid to enter and the other for fluid to leave. Meanwhile in the event of variable pressure condition false alarm is prevented with provision of retard chamber at the external bypass.

There are various types of check valves used in a wide variety of. 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. Technical data sheet en it nl pt. Applications for deluge valves.

A test valve is provided to test the normal operation of the sprinkler alarm bell. The wet alarm valve is designed for applications where the water is unlikely to freeze. Deluge systems are used in conditions that require quick application of large volumes of water. Deluge valve operation types.

When a flow of water from the system equals or exceeds that of a single sprinkler the valve is to actuate a fire alarm. Either manually when a person activates a water gong or electronically.