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 cap off open closed nozzle and nozzle, the temperature rose to 68 degrees and then (usually sprinklers) Open nozzle, tube burst open water mist nozzle, water spray out. Therefore concealed sprinklers most taboo is stained with paint and paint on the lid, so will cause the action failure. Water sprinkler system is open or closed nozzle, gear, water pipe network, wet alarm valve. In case of fire, water sprinkler system on the pipeline blew when the temperature (usually 68-70 degrees Celsius) by installing the branch pipe flow indicator action on the road and back to the fire alarm control system controller to control the startup spray pump, and with manual starter. Open nozzle closed nozzle | Year Anyuan Industrial (certified) | Open nozzle by the Hubei Jingmen create Anyuan Electrical Equipment Co., Ltd. to provide. Hubei Chong Anyuan Electrical Equipment Co., Ltd. (www.hbcay119.com) (www.hbcay119.com) is a leader in Wuhan, fire protection equipment, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. Anyuan electromechanical leadership in creating the staff warmly welcome all inquiries negotiations to create create a better future for electromechanical Anyuan.