Wet or dry start to start the system by the nozzle boot system, Guangdong fm certification Fire Valve Company, to provide a fire alarm signal flow alarm pressure switch action after pre-action system, so no need to design electrical fire detection system. Under normal circumstances, Hubei fm certification Fire cocks, detecting elements of the system designer to select a single chain of pre-action system to respond faster to fires than the automatic fire sprinklers. Inflation pressure pipe network only 0.69bar, so the system filling water into a wet pipe system, only experience a short delay before the action in fire sprinkler system has been filled with water to a wet system. Water alarm Water alarm is an all-day hydraulic drive mechanical alarm, an alarm can be issued at the time of continuous operation of the sprinkler system. This alarm is easy to install, usually mounted on the facades, Chongqing fm certified fire valve, when the water flow through the wet alarm valve, Shanghai fm certified fire valves, dry pipe valves or deluge valve flow to the hydraulic alarm, alarm That sound. Anyuan Hubei Chong Mechanical and Electrical Equipment Co., Ltd. is engaged in agents, sales of Tyco Fire Products Guangdong fm certified professional fire valve company in Chongqing _ _ Fire Valve fm certification by the Hubei Chong Chong Electromechanical 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!