1. Axial flow pump can not easily reduce the flow, otherwise, the pump will be unstable working conditions, and produce severe vibration and noise, the efficiency also dropped sharply, which is very unfavorable to the pump work. 2. In order to reduce power starter power, axial pump should be opened valve, because at this time the minimum power, the most safe power machine. Otherwise, the motor starting power is too large, resulting in burning motor. 3. Axial flow pump should not be used to adjust the variable valve performance of the pump. In summary, axial-flow pumps are characterized by high-flow, low-lift agricultural pumps. Axial pump in use, how to adjust its performance? Axial flow pump in use, and sometimes pump performance does not meet production needs, we must adjust the pump performance, so that it can meet the actual needs. For example, the winter dry season, summer flood season, into the pool or the pool water level has changed, that is, the actual terrain Pumped water height has changed, the original head and flow has been determined to not meet, lower efficiency, the pump is not operating. Therefore, to meet the new requirements of the water pump, but also to work under higher efficiency, which requires the performance of the pump to adjust.
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