The vacuum degree of vacuum pump inlet is low solution _

during import vacuum pumps running, sometimes there are imported low vacuum degree of vacuum pump. So how can we find out the cause of the problem and solve the problem? Let's take a look at the following content:

a, imported vacuum pump itself leak

1. Seal leakage. Should check the sealing condition of all the seals, and replace the damaged seal.

  2. Gas ballast gasket damaged or not. A washer and screw down the gas ballast valve should be replaced.

  3. Exhaust valve damage, bad sealing. A valve plate should be replaced.

  4. Amount of diaphragm in the imported vacuum pump is too large, lead to vacuum water pump cavity deformation and leakage. Should be trimmed or replace vacuum pump chamber.

  5. Due to poor import vacuum pump end face seal leakage. Should remove the end cover to check whether there is debris or uneven, and for cleaning or repair.

2, imported vacuum pump oil problems

1. Imported vacuum pump oil level is too low. Oil should be added to the centerline of the mimeograph.

  2. Oil pollution, the decrease of the quality of the product. A new oil should be replaced,

3. The oil level does not match. A defined hierarchy should be replaced vacuum pump oil,

4. Oil blockage, vacuum pump cavity didn't keep the right amount of oil. Should check the oil and oil valve inlet, to keep oil flowing.

3. Imported vacuum pump filter clogging

before installation should be removed and clean the filter.

4, imported vacuum pump rotor spring deformation or fracture, the rotation of the rotor doesn't work

spring deformation should be renovated or replaced, in order to make the rotor rotate the good components.

5, imported high temperature vacuum pump

1. Pumping gas temperature is too high. Before back into the vacuum pump, should let the gas cooling.

  2. Inhale hard objects can lead to import vacuum pump body wear. Should remove the vacuum pump to remove hard objects and repair or replace the scratch parts.

  3. The vacuum pump cooling water flow rate was not enough. Should increase the cooling water flow.

4, improper configuration, the rotor axial displacement, cause the lopsided wear. Check should be dismantled and reassembled.

6. Import vacuum pumps due to poor processing or wear is poorer, the large clearance b etween coordination

should be according to the regulation accuracy requirement, inspection and repair or replacement of vacuum pump chamber, the rotor and clearance between the rotating blade and end cover.

7. Imported vacuum pump running in the process of friction heating

temperature is too high, make the thin vacuum pump oil, the sealing performance variation. Cooling water should be used or fan cooling. At the same time, check the gap of related parts, and according to the requirements of the accuracy requirement for repair or replacement.

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