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SSH EN ISO 9300:2005

Measurement of gas flow by means of critical flow Venturi nozzles (ISO 9300:2005)

May 10, 2007
95.99 Withdrawal of Standard   May 10, 2007

General information

95.99     May 10, 2007

DPS

DPS/KT 12

European Norm

17.120.10  

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Scope

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.

Life cycle

NOW

WITHDRAWN
SSH EN ISO 9300:2005
95.99 Withdrawal of Standard
May 10, 2007

REVISED BY

IN_DEVELOPMENT
prSSH EN ISO 9300:2022

Related project

Adopted from EN ISO 9300:2005