Reference number
ISO 9300:2005
© ISO 2024
ISO 9300:2005
Measurement of gas flow by means of critical flow Venturi nozzles
Edition 2
2005-08
Withdrawn
Withdrawn (Edition 2, 2005)

Abstract

ISO 9300:2005 specifies the geometry and method of use (installation in a system and operating conditions) of critical flow Venturi nozzles (CFVN) used to determine the mass flow-rate of a gas flowing through a system. It also gives the information necessary for calculating the flow-rate and its associated uncertainty. It is applicable to Venturi nozzles in which the gas flow accelerates to the critical velocity at the throat (this being equal to the local sonic velocity), and only where there is steady flow of single-phase gases.

General information

  • Status
     : Withdrawn
    Publication date
     : 2005-08
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 2
    Number of pages
     : 38
  • Technical Committee :
    ISO/TC 30/SC 2
    ICS :
    17.120.10 
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