Stainless steel vacuum chamber

Vacuum chamber vacuum refers to the given space of gas below atmospheric pressure. Vacuum is relative to atmospheric pressure, not that there is no matter in the space

Vacuum is a concept in physics, which initially reflects the state of nothingness. That is, vacuum is not nothing, but the transformation of physical particles and virtual particles, but the overall external is a macro total that does not show physical properties. Vacuum is like an energy sea, constantly oscillating and full of huge energy

It is true that the property of vacuum needs to be described by space, but it is only a mathematical expression. It is a parameter introduced for the convenience of research. It does not mean that the nature of vacuum depends on space

Vacuum chamber is a technology which is built under the environment of lower atmospheric pressure and is needed for technological production, scientific experiment and physical measurement in this environment

Stainless steel vacuum chamber

With the very low pressure obtained by modern air extraction methods, there are still hundreds of molecules per cubic centimeter of space.

The degree of gas thinning is an objective measure of vacuum. The most direct physical measure is the number of gas molecules per unit volume. The smaller the density of gas molecules, the lower the gas pressure, the higher the vacuum. Vacuum is often used as Pascal or Tor The unit of pressure.

Vacuum technology mainly includes four aspects: vacuum acquisition, vacuum measurement, vacuum leak detection and vacuum application

With the development of vacuum acquisition technology, the application of vacuum has been extended to all aspects of industry and scientific research. Vacuum application refers to the use of the physical environment of rarefied gas to complete certain specific tasks. Some use this environment to manufacture products or equipment, such as light bulbs, electronic tubes and accelerators. These products always maintain vacuum during use, Others only regard vacuum as a step in production. Products are used in atmospheric environment, such as vacuum coating, vacuum drying and vacuum impregnation

Vacuum has a wide range of applications, including low vacuum, medium vacuum, high vacuum and ultra-high vacuum

common vacuum chamber technical performance:

Material: stainless steel, aluminum alloy, etc

Applicable temperature range of chamber: – 190 ℃ ~ + 1500 ℃ (water cooling)

Sealing mode: fluoro rubber O-ring or metal oxygen free copper ring

Factory inspection items:

1. Vacuum leak rate detection 1.3 * 10-10mbar * L / S

2. Water cooling water pressure test: 8 kg 24 hours no leakage detection

Internal and external surface treatment: wire drawing polishing, sandblasting electrolytic treatment, pickling treatment, electrolytic polishing treatment and mirror polishing treatment.

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