90.92 Standard to be revised Nov 26, 2024
ISO
ISO/TC 112 Vacuum technology
International Standard
23.160 Vacuum technology
Published
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.
WITHDRAWN
ISO 1608-2:1978
PUBLISHED
ISO 1608-2:1989
90.92
Standard to be revised
Nov 26, 2024
IN_DEVELOPMENT
ISO/WD 21360-7