Reference number
ISO 1608-2:1989
© ISO 2025
International Standard
ISO 1608-2:1989
Vapour vacuum pumps — Measurement of performance characteristics — Part 2: Measurement of critical backing pressure
Edition 2
1989-12
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Published (Edition 2, 1989)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 1608-2:1989

Language
Format
CHF 43
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Abstract

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.

General information

  • Status
     : Published
    Publication date
     : 1989-12
    Stage
    : International Standard to be revised [90.92]
  • Edition
     : 2
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 112
    ICS :
    23.160 
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