Concealed Sprinkler for high-end hotels, residences, theaters need to ensure smooth and tidy effect smallpox place. Concealed sprinkler lid is welded to the fusible metal thread, melting point is 57 degrees. Therefore, in case of fire, the temperature rises to the cover off, the temperature rose to 68 degrees and then (usually sprinklers) closed nozzle and open nozzle, tube burst, water spray. Therefore concealed sprinklers most taboo is stained with paint and paint on the lid, so will cause the action failure. Series manual control manual control is required when staff opened fire as the main conduit for the fire pump pressure of the water is closed sprinkler heads, sprinkler start work in hydraulic pressure. Automatic control Automatic control fire sprinkler system is an open model in case of fire sprinklers can automatically turn on the sprinkler nozzle and sends a fire alarm signal fire fighting facilities. Automatic sprinkler system with automatic sprinkler, fire alarm and initial cooling, etc., and can be synchronized linkage work and other fire facilities, it can effectively control and extinguish the initial fire. It is now widely used in building fire. Automatic fire sprinkler system is divided into smoke and temperature sensing type two. Open fire sprinklers | Xiangyang open sprinklers | Electromechanical by the Hubei Chong Chong Anyuan Anyuan Electrical Equipment Co., Ltd. to provide. Hubei Chong Anyuan Electrical Equipment Co., Ltd. (www.hbcay119.com) (www.hbcay119.com) strong, credible, in Wuhan, Hubei fire equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead electromechanical create Anyuan into the brilliant and you work for a better future!