9549067

ICS 17.120.10

Measurement of fluid flow by means of pressure differential devicesinserted in circular cross-section conduits running full

Part 3: Nozzles and Venturi nozzles(ISO 5167-3 : 2003)

English version of DIN EN ISO 5167-3

Durchflussmessung von Fluiden mit Drosselgeräten in voll durchströmten Leitungen mit Kreis-querschnitt – Teil 3: Düsen und Venturidüsen (ISO 5167-3 : 2003)

European Standard EN ISO 5167-3 : 2003 has the status of a DIN Standard.

A comma is used as the decimal marker.

National forewordThis standard has been published in accordance with a decision taken by CMC to adopt, withoutalteration, International Standard ISO 5167-3 as a European Standard.The responsible German body involved in its preparation was the Normenausschuss Technische Grund-lagen (Fundamentals in Technology Standards Committee).DIN EN 24006 and DIN EN ISO 5167-1 are the standards corresponding to International StandardsISO 4006 and ISO 5167-1, respectively, referred to in clause 2 of the EN.

AmendmentsThis standard differs from DIN EN ISO 5167-1, November 1995 edition, in that this part deals only withnozzles and Venturi nozzles.

Previous editionsDIN 1952: 1948-11, 1969-05, 1971-08, 1982-07; DIN EN ISO 5167-1: 1995-11;DIN EN ISO 5167-1/A1: 1998-06.

DEUTSCHE NORM January 2004

DIN EN ISO 5167-3 {

© No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut für Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).

This standard, together withDIN EN ISO 5167-1,DIN EN ISO 5167-2 andDIN EN ISO 5167-4, January 2004editions, supersedesDIN EN ISO 5167-1, November 1995edition.

Normenausschuss Bauwesen (NABau) im DIN

English price group 16www.din.de

www.beuth.de 04.04 9549067

Continued overleaf.Document comprises 35 pages.

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National Annex NAStandards referred to(and not included in Normative references, Bibliography and Annex ZA)

DIN EN 24006 Measurement of fluid flow in closed conduits – Vocabulary and symbols(ISO 4006 : 1991)

DIN EN ISO 5167-1 Measurement of fluid flow by means of pressure differential devices inserted in circularcross-section conduits running full – Part 1: General principles and requirements(ISO 5167-1 : 2003)

Page 2DIN EN ISO 5167-3 : 2004-01


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English version

ICS 17.120.10

Management Centre: rue de Stassart 36, B-1050 Brussels

European Committee for StandardizationComité Européen de NormalisationEuropäisches Komitee für Normung

Measurement of fluid flow by means of pressuredifferential devices inserted in circular cross-section

conduits running fullPart 3: Nozzles and Venturi nozzles

(ISO 5167-3 : 2003)

© 2003. CEN – All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.

Ref. No. EN ISO 5167-3 : 2003 E

Mesure de débit des fluides aumoyen d’appareils déprimogènesinsérés dans des conduites en chargede section circulaire – Partie 3:Tuyères et Venturi-tuyères(ISO 5167-3 : 2003)

Durchflussmessung von Fluiden mitDrosselgeräten in voll durchströmtenLeitungen mit Kreisquerschnitt –Teil 3: Düsen und Venturidüsen(ISO 5167-3 : 2003)

This European Standard was approved by CEN on 2003-02-20.CEN members are bound to comply with the CEN/CENELEC InternalRegulations which stipulate the conditions for giving this European Standardthe status of a national standard without any alteration.Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, French,German). A version in any other language made by translation under theresponsibility of a CEN member into its own language and notified to theManagement Centre has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland,Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia,Spain, Sweden, Switzerland, and the United Kingdom.

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March 2003

EN ISO 5167-3

Supersedes EN ISO 5167-1 : 1995.


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Page 2EN ISO 5167-3 : 2003

ForewordInternational StandardISO 5167-3 : 2003 Measurement of fluid flow by means of pressure differential devices inserted in circular

cross-section conduits running full – Part 3: Nozzles and Venturi nozzles,which was prepared by ISO/TC 30 ‘Measurement of fluid flow in closed conduits’ of the InternationalOrganization for Standardization, has been adopted by CMC as a European Standard.This European Standard shall be given the status of a national standard, either by publication of an identical textor by endorsement, and conflicting national standards withdrawn, by September 2003 at the latest.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of thefollowing countries are bound to implement this European Standard:Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland, and theUnited Kingdom.

Endorsement noticeThe text of the International Standard ISO 5167-3 : 2003 was approved by CEN as a European Standard withoutany modification.NOTE: Normative references to international publications are listed in Annex ZA (normative).

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Documents

9549067