Reasons why the vacuum of rotary vane vacuum pump is not high and its solution

Many customers in the use of rotary vane vacuum pump will encounter when the problem is not high vacuum, then what is the reason? How to solve the rotary vacuum pump is not high vacuum problem? Zhejiang vacuum pump factory has the following twelve points for your reference.

(1) If the pump cooling water is not enough, should open or increase the cooling water. D, such as improper assembly, resulting in single-sided wear, check and then reload.
(2) rotary vane vacuum pump to use a long time, wear large gap increases, the damaged parts should be repaired or replaced.
(3) pump temperature is too high:
(4) oil level is too low to sight oil line position, should add enough oil.
(5) gas valve is not closed Yan leak, should be closed.
(6) bad oil, replace the new oil.
(7) the front end of the oil seal in the seal ring damaged or rubber deterioration, should be replaced.
(8) turn the spring break, it should be removed and replaced.
(9) Valve piece damaged, should be replaced.
(10) rotary vane vacuum pump leakage of the atmosphere is mostly due to the poor seal of the pump side, then open the exhaust cover, check the oil pool B is lack of oil, such as oil should be refuel from the hole at the oil pool B Filled with oil.
(11) If the gas being drawn high temperature, the gas should be cooled before entering the rotary vane vacuum pump. B, such as inhalation of hard objects cylinder wear, repair should be replaced.
(12) intake filter blockage, remove the cleaning.

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