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 Check Valve is core element in wet pipe fire sprinkler systems. It serves a dual purpose which prevents a reverse flow of water (non-return), also provides for the use of the water motor gong. Meanwhile, in the event of variable pressure condition, false alarm is prevented with provision of retard chamber at the external bypass.
TPMC provides a complete alarm check valve set in UL listed/ FM approved.
Deluge valve is a quick release, hydraulically operated diaphragm valve used in a deluge system. And deluge system is used in conditions that require quick application of large volumes of water, such as storage tank, equipment pits, conveyor protection, etc.
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