1. Role of a vacuum pump
A vacuum pump is, by definition (standard NF X 10-501), "a device for creating, improving or maintaining a vacuum". It is therefore a machine capable of extracting gaseous molecules from a reservoir and evacuating them either into the ambient air, or into another reservoir.
The origin and nature of these molecules can vary widely depending on the application.
In other words, a vacuum pump must be capable of lowering the pressure in a tank, since pressure is proportional to the number of gaseous molecules present in the tank. Pressure is also temperature-dependent, and depending on temperature, liquids with high vapor pressure and easily sublimable substances may also need to be taken into account.
The vacuum pump must be able to draw in a certain flow, compress it and discharge it at a pressure higher than the suction...
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Role of a vacuum pump
Vacuum pump classification
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