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User notice:

When choosing a vacuum pump, whether the selection is correct or not directly affects the service life of the vacuum pump and the benefits of the user enterprise.

In practice, it has been shown that under the same working condition, whether the selection is correct or not, the service life of the vacuum pump is several times, tens of times or even hundreds of times different, so we especially remind:

• No matter what kind of vacuum pump you choose, please refer to the sample. It can also be recommended by professionals and technicians to obtain satisfactory results.
• If you need our assistance in model selection, please provide the following information as much as possible:
  1. Working vacuum degree.
  2. The pumping time when the working vacuum is reached.
  3. The volume of the vacuum system (or vacuum tank).
  4. The name, temperature and concentration of the gas medium being pumped.
  5. Whether it is flammable, explosive and toxic gas and its pH.
  6. Whether the gas and liquid discharged by the pump need to be recovered.
  7. Whether there are special requirements for the shaft seal of the vacuum pump, the motor and other supporting parts.