Fesco Industry Preaction & Deluge Valve with external resetting functionis a differential latch type valve which designed for fire protection system.
The external resetting feature of the PPD valve provides easy resetting of a preaction system without opening the valve cover for manual repositioning of the clapper and latch mechanism.
Actuation of electric system automatically releases the PPD valve by allowing water to flow into the sprinkler piping system and to be discharged from any sprinklers that is open.
