BS EN ISO 9300:2005 - Measurement of gas flow by means of critical flow Venturi nozzles – BSI British Standards

BS EN ISO 9300:2005

Measurement of gas flow by means of critical flow Venturi nozzles

Status : Current, Under review   Published : October 2005

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BS EN ISO 9300 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 applies to Venturi nozzles in which the gas flow accelerates to the critical velocity at the throat (this being equal to the local sonic velocity). At the critical velocity, the mass flow-rate of the gas flowing through the Venturi nozzle is the maximum possible for the existing upstream conditions.




Standard NumberBS EN ISO 9300:2005
TitleMeasurement of gas flow by means of critical flow Venturi nozzles
StatusCurrent, Under review
Publication Date21 October 2005
Confirm Date10 February 2015
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)ISO 6976:1995, ISO 5168, ISO 5167-2:2003, ISO 5167-1:2003
ReplacesBS EN ISO 9300:1995
International RelationshipsISO 9300:2005,EN ISO 9300:2005
Draft Superseded By03/314394 DC
DescriptorsChannel flow, Flow measurement, Design, Flowmeters, Temperature, Mathematical calculations, Flow, Test equipment, Venturi meters, Gas flow, Reynolds number, Installation, Error analysis, Dimensions, Flow rates, Differential-pressure flowmeters, Nozzle flowmeters
ICS17.120.10
Title in FrenchMesure de debit de gaz au moyen de Venturi-tuyeres en regime critique
Title in GermanDurchflussmessung von Gasen mit Venturiduesen bei kritischer Stroemung
CommitteeCPI/30/2
ISBN0 580 46705 8
PublisherBSI
FormatA4
DeliveryYes
Pages48
File Size759 KB
Price£240.00


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