1, After starting up, the pump cannot produce liquid.
(1) There is air in the inlet pipe and pump.
(2) The centrifugal pump has a low rotational speed.
(3) Centrifugal pump exceeds suction capacity.
(4) The filter is clogged and the bottom valve is not functioning properly
2, Centrifugal pump vibration and abnormal noise.
(1) The base is loose and unstable.
(2) Cavitation phenomenon occurs.
(3) The rotor balance decreases.
(4) Impeller flow channel blockage.
(5) Reasons for bearings.