Rotary vacuum pump vacuum drop solution

Refers to the current measured vacuum rotary vane vacuum pump than the factory or the previous use of the low degree of vacuum. There are many reasons for the low vacuum level. Here are a few key facts.

1, the added rotary vane vacuum pump oil grades and the original is not the same. Different vacuum pump oil grades, as different grades of saturated vapor pressure within the oil is not the same, so the result is not the same. Solution: According to the product model specifications to replace the correct new vacuum pump oil.

2, was pumping gas temperature may be too high. The solution: to reduce the temperature of the gas being drawn, or you can add a corresponding heat exchanger.

3, the pump in the oil barrier or poor, the pump cavity does not maintain a certain amount of oil. Solution: check whether the smooth flow of oil, plus the same type of vacuum pump oil.

4, the other is also due to the low vacuum caused by the vacuum pump oil situation, that is, vacuum pump oil emulsification discoloration, or too dirty. The solution: put all the pump vacuum pump oil, replace the same type of vacuum pump oil, and to be pumping gas in the water vapor and impurities do not enter the pump.

5, with the gap to change. This is the long-term exhaust gas containing dust, etc., resulting in increased wear between the rotating plate and the stator gap. Solution: check the gap is too large, replace the new parts.

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