ISO 1608-2:1989 PDF
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Vapour vacuum pumps — Measurement of performance characteristics — Part 2: Measurement of critical backing pressure
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.
| Edition | 1989 |
|---|---|
| Standard Part No | 2 |
| Published Date | 1989 |
| Published By | International Standardization Organisation |
| Page Count | 3 |
