Alarm Valve Fire Sprinkler System

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. When the sprinkler system is activated by the fusing of one or more automatic sprinklers at fire condition the water flows through the alarm valvedeluge valve and enters the sprinkler alarm through the nozzle creating a high velocity jet which strikes the impeller causing the drive shaft and the striker arm assembly to rotate.
Wet Alarm Valve Assembly For Fire Sprinkler System Naffco Fzco

Although historically only used in factories and large commercial buildings systems for homes and small buildings are now available at a cost effective price.


Alarm valve fire sprinkler system. These alarm check valves may certainly help prevent water in the sprinkler system from back flowing in the source or a reservoir thus leading to potential contamination of the water supply but its primary purpose is to hold back water pressure in the sprinkler system until such time as it is needed.

As the most common type of system wet sprinkler systems have water available at the sprinkler so when a fire occurs and the sprinkler activates water is discharged on the fire immediately. Reliable wet system valves are designed to control sprinkler systems in areas that are temperature controlled to at least 400f 40c.

This is accomplished by providing a one way check valve that is closed when the water pressure on the fire sprinkler side of the valve exceeds the water supply pressure. Reliable valves have been designed and assembled in the united states since 1920 and are suitable to control a wide range of sprinkler systems including wet dry deluge. Once activated alarm check valves will allow water to flow through the sprinkler system initiating the sprinklers to suppress a fire.

Hd alarm valve acts as a check valve by trapping pressurized water above the clapper and preventing reverse flow from sprinkler piping. The alarm valve also known as an alarm check valve is used to control the flow of water into the fire sprinkler system. It is used to actuate a fire alarm during flow of water from the sprinkler system.

When a flow of water from the system equals or exceeds that of a single sprinkler the valve is to actuate a fire alarm. The alarm check valve is a water flow alarm device designed for vertical installation in the main supply to a wet pipe sprinkler system. Alarm valve is ul listed and fm approved.

A fire sprinkler system is an active fire protection method consisting of a water supply system providing adequate pressure and flowrate to a water distribution piping system onto which fire sprinklers are connected. Reliable fire protection valves are built with the designer and installer in mind helping you protect lives and preserve property in even the most challenging situations.

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