Greentech International (Zhangqiu) Co., Ltd.
Greentech Industry (Jinan) Co., Ltd.
The speed of the pump is not enough, and the sealing is not tight, such as air leakage at the connection of the inlet pipeline or shaft seal, the gap between the rotor and the rotor, the outer ring of the rotor and the pump casing, the end face of the rotor and the end cover, the ambient temperature or the temperature of the cooling water is too high.
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