Alarm Check Valve Rapidrop

This type of wet alarm valve is designed to automatically initiate electric or hydraulic alarm whenever there is a flow of water to one or more sprinklers.

Alarm check valve rapidrop. Viking wet pipe alarm check valve system system reset procedure duration. The alarm check valve is a water flow alarm device designed for vertical installation in the main supply to a wet pipe sprinkler system. External bypass prevents false alarm under all supply pressure condition. When a flow of water from the system equals or exceeds that of a single sprinkler the valve is to actuate a fire alarm.

How to flush a hot water heater to remove sediment duration. Reading open supply stop valve fully and check replaced sprinklers for leaks. This type of wet alarm valve is designed to automatically initiate electric or hydraulic alarm whenever there is a flow of water to one or more sprinklers. Alarm check valve is core element in wet pipe fire sprinkler systems.

The water staying pressurized in the pipes is released over the fire area after the sprinkler is activated. 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 wet alarm valve is designed for applications where the water is unlikely to freeze. Viking sprinkler 65 059 views.

M replace all padlocks and straps where fitted. Either manually when a person activates a water gong or electronically. Waterway clapper in the alarm check valve. An alarm check valve can be activated or opened in one of two basic ways.

L conduct alarm test as per weekly test. Page 2 of 5 rapidrop global. It serves a dual purpose which prevents a reverse flow of water non return also provides for the use of the water motor gong. Rapidrop model e wet alarm valves are designed for use in wet pipe sprinkler installations in buildings not subject to freezing temperatures.

Once the pressures stabilize the alarm check valve is in service and the centrally located groove in the seat ring is sealed. N reorder spare sprinklers to equivalent specification. Meanwhile in the event of variable pressure condition false alarm is prevented with provision of retard chamber at the external bypass. Consequently with the alarm check valve set for service there is no flow through the alarm port to the alarm devices i e water motor alarm and or pressure alarm switch.

In the event of variable pressure condition false alarm.