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What is vacuum pump oil mist separator

Vacuum pump oil mist separator also known as: vacuum pump oil mist filter, oil gas separator, exhaust filter.


Working principle of oil mist separator of vacuum pump:


Under the action of exhaust pressure, the oil-gas mixture on one side of the vacuum pump oil mist separator is discharged through the filter paper of the vacuum pump oil mist separator, and the oil is filtered and intercepted, so as to realize the separation process of gas and vacuum pump oil. The filtered vacuum pump oil is recycled along with the return pipe, and the discharged gas meets the requirements.

vacuum pump oil mist separator.jpg

Routine maintenance of oil mist separator of vacuum pump:


Inspection during operation of vacuum pump: use the pressure gauge of oil mist separator of vacuum pump to detect whether it is blocked. When the reading of pressure gauge is greater than 0.7bar, it indicates that the oil mist separator is blocked and must be replaced. If there is no pressure gauge, it can be measured by the change of driving motor current. If the driving motor consumes too much current or the pumping speed of vacuum pump drops, it indicates that the oil mist separator is blocked and must be replaced.


If the discharged gas contains oil, the reason is that the oil mist separator is blocked or damaged, it must be replaced. The oil mist separator of vacuum pump cannot be cleaned and used and must be replaced.


Before replacing the oil mist separator of the vacuum pump, please turn off the vacuum pump and cut off the power supply to ensure that the vacuum pump has been supplied with atmospheric pressure. Open the exhaust port cover plate from the oil tank, and remove the exhaust filter with the help of a special internal six wrench, and install the open end of the new oil mist separator with a sealing ring in the correct position in the oil tank. (different brands of vacuum pump oil mist separator installation position is different, according to the actual vacuum pump brand replacement)


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