How to choose high quality dry screw vacuum pump?

Dry screw vacuum pump is a high-tech product, which is mainly used in high-purity vacuum process. It has high vacuum degree, can adapt to harsh conditions, has the ability to extract condensation and particulate gas, is especially suitable for clean environment, and is easy to do anti-corrosion treatment. It is especially suitable for electronic, chemical, biomedical, metal processing, food processing and other fields. Dry screw pump is a new type of vacuum pump. It is a renewal product of traditional vacuum pump. Because of its unique design principle, it can be oil-free and water-free. It can be used as corrosion-resistant coating. Excellent sealing design, besides the slightly more expensive price, will far exceed the performance of traditional vacuum pump in any aspect. It will have great market prospects in the future.

We can choose and judge the high quality dry screw vacuum pump through the following points:

1. Ultimate Vacuum: Of course, the lower the Ultimate Vacuum, the better. At present, domestic products are generally about 5 Pa, while imports are about 1 Pa.

2. Vibration and noise: Vibration must be small and noise must be 80 decibels small.

3. If it is used in corrosive environment, it is better to ask the manufacturer for a sample of the same coating and take it to the factory to test in the medium solution. Each manufacturer uses a different coating or coating ratio, and its performance will of course be quite different.

4. Sealability: This is also very important, but only from the manufacturer's recommendation to understand, the most direct or after access to the system through media testing is whether there is leakage.

The first two points determine the level of processing and design technology of vacuum pumps, which will affect the service life of pumps. The last two points will affect the service life of pumps, but also need experimental proof.

In order to purchase high-quality vacuum pumps, we should fully understand and prepare before purchase, so as to purchase suitable and satisfactory products. Because of the high cost of screw pump in general, it is suggested that we should choose more imported products when purchasing.

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