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ISO 9300:2005

Measurement of gas flow by means of critical flow Venturi nozzles

Standard Details

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Status : WITHDRAWN
Standard Type: Main
Document No: ISO 9300:2005
Document Year: 2005
Pages: 38
Edition: 2

Life Cycle

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WITHDRAWN
ISO 9300:2005
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