Sprinkler System Animation Alarm Valve activated

An alarm valve prevents a reverse flow of water from the installation into the fire-pump room, but in case a fire sprinkler is activated (opened) due to fire, the alarm valve will open and permit water flow into the system.

Alarm valve prevents a reverse flow of water or air pressure from the installation into the fire-pump room. In case a fire sprinkler is activated (opened) due to fire, the alarm valve will open and permit water flow into the system and a pressure switch gives a signal to activate the fire-pump.
There are different types of alarm valves that need to match the fire sprinkler installation – wet pipe system, dry pipe system. Deluge system etc. Almost all alarm valves are listed by a listing authority like VdS, FM, UL etc.

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