Water ring vacuum pump common fault

First, the vacuum pump is not enough

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Possible causes: insufficient motor power supply leads to insufficient speed; insufficient water supply; excessive clearance between the impeller and the distribution plate; leakage of water leakage due to mechanical seal damage; excessive wear of the impeller;

Remedy: Check whether the supply voltage is within the rated voltage range of the motor; increase the water supply (must be controlled within the correct range, otherwise the motor will be overloaded with heat); adjust the gap between the impeller and the distribution plate (usually 0.15-0.20) Mm); replace the mechanical seal; replace the impeller; check the drain line.

Second, can not start or start a loud noise

Possible causes: The motor supply voltage is insufficient; the motor is out of phase; the pump is used for a long time without causing rust; the pump sucks debris; the impeller drags the distribution plate.

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Remedy: Check if the power supply voltage is too low; check whether the motor wiring is solid; if the pump is not used for a long time, it can add rust remover or open the pump cover to remove rust; open the pump cover to remove debris; adjust the impeller The distance from the distribution board.

Third, the motor is overheated

Possible causes: The motor is overloaded and the motor is overloaded; the motor is out of phase; the vent hole is blocked; the impeller drags other components.

Remedy: Reduce the water supply to the normal range (refer to the pump's instruction manual); check the wiring is firm; check the exhaust port; open the pump cover to adjust the gap between the impeller and other components.

Fourth, insufficient traffic

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Possible causes: leakage of pipeline leaks; increase of resistance loss;

Remedy: Check the mechanical seal at the joint; check the pipeline and check valve for faults.