Wet wet alarm valve system is composed, closed nozzle, flow meters, control valves, end water installations, pipelines and water supply facilities and other components. Filled with pressurized water in case of fire, water sprinklers action immediately after the pipe system. Fire sprinkler system is a fire extinguishing apparatus is very broad application of a fixed fire-fighting facilities, Chengdu fm certified gas fire extinguishing equipment products, it is inexpensive, fire-fighting efficiency. According to different functions can be divided into manual control and automatic control of two forms. System installation alarm device, fm certification gas fire, automatic alarm in case of fire, automatically controlled fire sprinkler system can also sprinkler and other fire-fighting facilities and synchronous collaboration work, it can effectively control and extinguish the initial fire.