Status : Published (Under review)
This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
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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 confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 112
    ICS :
    23.160 
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