ISO 9300:2005

Name: ISO 9300:2005
Brand: ISO
SKU: ISO 9300:2005
Price: 76.23 EUR
Availability: InStock
Rating: 5 (78 reviews)

Measurement of gas flow by means of critical flow Venturi nozzles

Publication date: Aug 19, 2005

95.99 Withdrawal of Standard Jun 16, 2022

General information

Current stage: 95.99 Withdrawal of Standard Jun 16, 2022

Originator: ISO

Owner: ISO/TC 30/SC 2 Pressure differential devices

Type: International Standard

ICS: 17.120.10 Flow in closed conduits

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Status: Withdrawn

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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

PREVIOUSLY

WITHDRAWN
ISO 9300:1990

NOW

WITHDRAWN
ISO 9300:2005
95.99 Withdrawal of Standard
Jun 16, 2022

REVISED BY

PUBLISHED
ISO 9300:2022