15 kinds of common faults of water ring vacuum pumps _

water ring vacuum water pump in the extensive application of vacuum, in the process of operation will inevitably fail. In the process of maintenance, water ring vacuum pump fault diagnosis is a key link, such as no liquid supply water ring vacuum water pump, the liquid is in short supply or in the case of insufficient pressure, should consider the following 15 points:

( 1) No water or proper exhaust:

solution: check the vacuum pump shell and feed line are filled with liquid.

( 2) Low speed:

solution: check the electric wiring is correct, the voltage is normal or turbine steam pressure is normal.

( 3) System head too high:

solution: check the system head ( Especially the frictional force) Losses) 。

( 4) High suction stroke:

solution: check the existing net head ( Import line is too small or too long can cause greater friction losses) 。

( 5) Wheel or a pipe blocked:

solution: check the obstacles.

( 6) Direction of rotation error:

solution: check the direction of rotation.

( 7) Air or admission line for leaks:

method: check for porosity and/or admission line leak.

( 8) Gland packing or seal in the wear and tear can lead to air leakage into vacuum pump shell:

solution: check the packing or seal, and according to the need to be replaced. Check whether the lubrication is normal.

( 9) Heat pump or volatile liquid suction head:

solution: increase the suction and consulting manufacturer.

( 10) Bottom valve is too small:

solution: install the correct size of the bottom valve.

( 11) Bottom valve or pressure pipe is not deep enough:

solution: please consult manufacturer correct immersion depth.

( 12) Impeller clearance is too large:

solution: check the clearance is correct.

( 13) Damage of impeller:

solution: check the impeller and according to the need to be replaced.

( 14) The impeller diameter is too small:

solution: please consult manufacturer correct impeller diameter.

( 15) Pressure gauge position is not correct:

solution: check whether the position is correct, check the outlet nozzle or pipe.

shenzhen heng to mechanical and electrical equipment co. , LTD. Is specialized in water ring vacuum pump manufacturers, with our professional spirit, wholeheartedly for each customer service, to provide customers with continuous and stable water ring vacuum water pump solutions. Consultation telephone 400 - 862 - 5533.

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