Single Interlock Preaction System



The Model DV-5 Supervised Single Interlock Preaction System with Electric Actuation utilizes automatic sprinklers and a supplemental detection system. The supplemental detection system is typically comprised of 24 VDC heat detectors, smoke detectors,manual pull stations, etc. Actuation of the detection system automatically operates (releases) the Model DV-5 Deluge Valve, allowing water to flow into the sprinkler piping system and to be discharged from any sprinklers that may be open.