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download between 0-24 hoursReleased: 1989
ISO 1608-2:1989
ISO 1608-2:1989-Vapour vacuum pumps-Measurement of performance characteristics
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English Hardcopy
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French Hardcopy
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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.