The fire water supply system is divided into two types: outdoor fire water supply and indoor fire water supply. The main functional units include fire water source, fire pump, water supply network, pipe network control equipment, fire hydrant and water pump combiner.
The fire water source can use the municipal water supply network, fire pool, natural water source, and water. The fire pump should adopt a self-priming water suction pump. When the fire pump is directly pumped from the municipal pipe network, a backflow preventer with an air partition function should be installed on the fire pump outlet pipe.
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