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Article | REF: BM4272 V1

Gas transfer pumps - Kinetic pumps

Author: Jean LECLERC

Publication date: January 10, 2000 | Lire en français

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    2. Fluid-powered kinetic pumps

    This group includes several pump types based on the same physical principle.

    We distinguish between two subgroups:

    • the first, essentially intended for industrial vacuum (or rough vacuum), covering the pressure range from one atmosphere down to a few pascals;

    • the latter ranging from a few pascals to high vacuum and ultra-high vacuum.

    2.1 Ejector vacuum pump

    Normative definition: "A kinetic pump that uses the negative pressure created by a Venturi effect and in which the gas is carried in a high-velocity jet towards the discharge. An ejector operates correctly under viscous or intermediate regime conditions."...

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