The automatic fire extinguishing system is mainly composed of a fire extinguishing agent container, a container valve, a power driven bottle group, a driving gas bottle group, a liquid flow check valve, an air flow check valve, a safety valve, a signal feedback device, a container frame, a high-pressure hose, a pressure reducing device, a liquid level gauge, a low discharge and high seal valve, a nozzle, a pipeline, etc. It is widely used in computer room, power distribution room, Telecommunication Center, library, archives, treasure house, underground engineering and other class a surface fires, class B and C fires and electrical equipment fires. But it is not suitable for the fire place of active metal such as potassium, sodium, magnesium, uranium, metal chloride, digested fiber, etc.
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