Fourteen reasons for excessive pump power consumption

Cause the pump power is too large reason:

(1) pump speed is too high:

(2) the proportion of liquid transport more than the original design value,

(3) large liquid viscosity;

(4) pump impeller size is too large;

(5) The resistance of the piping system exceeds or falls short of the predetermined value;

(6) pump head is too low, the flow is too large,

(7) rotor parts and stator parts have friction:

(8) bearing wear or damage;

(9) mechanical seal sealing seat pressure is too large,

(10) outlet pipe rupture;

(11) pump shaft bending;

(12) uneven thermal expansion of different parts in the pump;

(13) dynamometer is not allowed;

(14) Pump balance does not work.

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