In the process of using the vacuum pump, there will be problems of pumping water. Why is this problem? Vacuum pump manufacturers have summed up many years of experience to summarize the reasons why the following water cannot be pumped.
(1) The number of revolutions of the vacuum pump is insufficient or reversed to cause the motor to burn.
(2) The circulating water is not open or the water line is blocked, and the valve is not open.
(3) The circulating water is too large, and the circulating water is refluxed.
(4) Lifting pump sealing box (commonly known as packing), there is air leakage in the water supply pipeline or flange.
(5) The lift pump outlet valve is not closed.
(6) The vacuum pump disk leaks, the pump wears seriously or is damaged.
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