There is a certain relationship between the performance parameters of the water pump, such as flow rate Q head H shaft power N speed n efficiency η. The relationship between their quantitative changes is represented by a curve, which is called the performance curve of the water pump.
Read MoreThe fire hydrant water supply system and automatic sprinkler water supply system of high-rise or multi story civil buildings widely use fire pressure water supply equipment, which generally consists of pressure water tanks, water pump units, pipeline systems, electrical control systems, automatic co......
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