Deluge alarm valve inlcuding pressure gauge,water motor gong,short pipes,ball valves, eletrmagnetic valve,etc Deluge Alarm Valve Deluge valve is available in deluge system, water curtain system, water mist system and preaction system. It is controlled by electricity while manual control for emergency conditions.Technical Parameter: ModelNominal Diameter (mm)Rated Working Pressure (Mpa)External ...