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

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