Deluge alarm valve is a kind of lever-type structure with anti-reset function,it is made as per GB51 35.2-2000standard.Deluge alarm valve is widely used for various type of dry type system (system side pipenet fits open sprinklers).such as deluge alarm system ,water curtain system and water mist system.the drive of deluge alarm valve is to relaease the pressure inside the deluge valve diaphragmroom,and use the water supply side pressure to open the valve wedge.Pressure release inside diaphragm room can be done in different ways like electric lead,isotherm lead and dry lead.
