The water ring vacuum pump can suck air, water vapor, and a small amount of gas with high moisture content, as well as a small amount of dust gas without particles, because it uses water as a sealing agent. It is mainly used for vacuum pumping and processes with large pumping volume. Therefore, it is suitable for various vacuum treatments such as vacuum drying, concentration, evaporation, degassing, distillation, etc. in plastics, pharmaceuticals, chemicals, textiles, electricity, food, metallurgy, and paper industries within the technical specifications of this type of pump.

Common faults and troubleshooting methods of water ring vacuum pump:

1、 Cannot start or started with loud noise

Possible reasons: Insufficient power supply voltage of the motor; Motor phase loss operation; Long term disuse of the pump leads to rusting; Inhaling debris into the pump; Impeller drag distribution plate.

Exclusion method: Check if the power supply voltage is too low; Check if the motor wiring is secure; If the pump is not used for a long time and causes rust, you can add some rust remover or manually remove the rust by opening the pump cover; Open the pump cover to remove debris; Adjust the distance between the impeller and the distribution plate.

2、 Insufficient traffic

Possible reasons: Leakage of air and liquid in the pipeline; Increased resistance loss;

Exclusion method: Check the mechanical seal at the connection; Check the pipelines and check valves for *.

3、 Motor overheating

Possible reasons: Overloading of the motor due to excessive water supply; Motor phase loss; Exhaust hole blockage; The impeller drags other components.

Exclusion method: Reduce the water supply to the normal range (refer to the pump's instruction manual for liquid supply); Check if the wiring is secure; Check the exhaust port; Open the pump cover to adjust the clearance between the impeller and other components.

4、 Insufficient vacuum pump degree

Possible reasons: Insufficient motor power supply leading to insufficient speed; Insufficient water supply; The gap between the impeller and the distribution plate is too large; Mechanical seal damage leads to water and air leakage; Excessive wear of the impeller; The circulating water cannot be discharged.

Exclusion method: Check if the power supply voltage is within the rated voltage range of the motor; Increase the water supply (must be controlled within the correct range, otherwise it will cause the motor to overload and heat up); Reduce the gap between the impeller and the distribution plate (usually between 0.15-0.20mm); Replace the mechanical seal; Replace the impeller; Check the pipeline of the water outlet.