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Homepage>ISO Standards>ISO 1608-2:1989-Vapour vacuum pumps — Measurement of performance characteristics-Part 2: Measurement of critical backing pressure
download between 0-24 hoursReleased: 1989
ISO 1608-2:1989-Vapour vacuum pumps — Measurement of performance characteristics-Part 2: Measurement of critical backing pressure

ISO 1608-2:1989

ISO 1608-2:1989-Vapour vacuum pumps — Measurement of performance characteristics-Part 2: Measurement of critical backing pressure

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Standard´s number:ISO 1608-2:1989
Pages:3
Edition:2
Released:1989
DESCRIPTION

ISO 1608-2:1989


The considered method of measurement deals with vapours jet vacuum pumps, diffusions pumps and diffusion-ejector pumps. The dependence of the performance of these pumps on the backing pressure can only be completely described be means of a curve relating the inlet and backing pressure over the range of operation. The recommended test dome and the principle of the test equipment are illustrated.
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