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EN ISO 5167-1:2003

(Main)

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

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

ISO 5167-1:2003 defines terms and symbols and establishes the general principles for methods of measurement and computation of the flowrate of fluid flowing in a conduit by means of pressure differential devices (orifice plates, nozzles and Venturi tubes) when they are inserted into a circular cross-section conduit running full.
ISO 5167-1:2003 also specifies the general requirements for methods of measurement, installation and determination of the uncertainty of the measurement of flowrate. It also defines the general specified limits of pipe size and Reynolds number for which these pressure differential devices are to be used.
ISO 5167 (all parts) is applicable only to flow that remains subsonic throughout the measuring section and where the fluid can be considered as single-phase. It is not applicable to the measurement of pulsating flow.

Durchflussmessung von Fluiden mit Drosselgeräten in voll durchströmten Leitungen mit Kreisquerschnitt - Teil 1: Allgemeine Grundlagen und Anforderungen (ISO 5167-1:2003)

Dieser Teil von ISO 5167 legt Begriffe und Symbole fest und gibt die allgemeinen Grundlagen für Mess- und Berechnungsverfahren für den Durchfluss von Fluiden in voll durchströmten Leitungen mit Kreisquerschnitt mittels Drosselgeräten (Blenden, Düsen und Venturirohre) an. Dieser Teil von ISO 5167 legt auch allgemeine Anforderungen an die Messverfahren, den Einbau von Drosselgeräten und die Ermittlung der Messunsicherheit der Durchflussmessung fest. Er legt ferner die Grenzen für Rohrdurchmesser und Reynolds-Zahlen fest, innerhalb derer die Drosselgeräte angewendet werden dürfen.
ISO 5167 (mit allen Teilen) gilt nur für Strömungen, die im ganzen Messquerschnitt im Unterschallbereich liegen und bei denen es sich um einphasige Fluide handelt. Er gilt nicht für Messungen bei pulsierenden Strömungen.

Mesure de débit des fluides au moyen d'appareils déprimogènes insérés dans des conduites en charge de section circulaire - Partie 1: Principes généraux et exigences générales (ISO 5167-1:2003)

L'ISO 5167-1:2003 définit des termes et symboles et établit les principes généraux pour le mesurage et le calcul du débit des fluides dans une conduite au moyen d'appareils déprimogènes (diaphragmes, tuyères et tubes de Venturi) insérés dans des conduites en charge de section circulaire.
L'ISO 5167-1:2003 spécifie aussi les exigences générales en ce qui concerne les méthodes de mesurage, l'installation des appareils et la détermination de l'incertitude de la mesure de débit. Elle définit en outre les limites générales spécifiées de diamètre de conduite et de nombre de Reynolds, à l'intérieur desquelles ces appareils déprimogènes sont destinés à être utilisés.
L'ISO 5167 (toutes les parties) est applicable uniquement à un écoulement qui reste subsonique dans tout le tronçon de mesurage et où le fluide peut être considéré comme monophasique. Elle n'est pas applicable au mesurage d'un écoulement pulsé.

Merjenje pretoka fluida na osnovi tlačne razlike, povzročene z napravo, vstavljeno v polno zapolnjen vod s krožnim prerezom – 1. del: Splošna načela in zahteve (ISO 5167-1:2003)

General Information

Status
Withdrawn
Publication Date
28-Feb-2003
Withdrawal Date
28-Jun-2022
ICS
17.120.10 - Flow in closed conduits
Technical Committee
CEN/SS F05 - Measuring insreuments
Drafting Committee
CEN/SS F05 - Measuring insreuments
Current Stage
9960 - Withdrawal effective - Withdrawal
Completion Date
29-Jun-2022
Ref Project
SIST EN ISO 5167-1:2004 - Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003)

Relations

Replaces
EN ISO 5167-1:1995 - Measurement of fluid flow by means of pressure differential devices - Part 1: Orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full (ISO 5167-1:1991)
Effective Date
22-Dec-2008
Replaces
EN ISO 5167-1:1995/A1:1998 - Measurement of fluid flow by means of pressure differential devices - Part 1: Orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full (ISO 5167-1:1995/AM1:1998)
Effective Date
22-Dec-2008
Replaced By
EN ISO 5167-1:2022 - Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2022)
Effective Date
06-Jul-2022

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SLOVENSKI STANDARD
SIST EN ISO 5167-1:2004
01-januar-2004
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SIST EN ISO 5167-1:1997
SIST EN ISO 5167-1:1997/A1:2001
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Measurement of fluid flow by means of pressure differential devices inserted in circular
cross-section conduits running full - Part 1: General principles and requirements (ISO
5167-1:2003)
Durchflussmessung von Fluiden mit Drosselgeräten in voll durchströmten Leitungen mit
Kreisquerschnitt - Teil 1: Allgemeine Grundlagen und Anforderungen (ISO 5167-1:2003)
Mesure de débit des fluides au moyen d'appareils déprimogenes insérés dans des
conduites en charge de section circulaire - Partie 1: Principes généraux et exigences
générales (ISO 5167-1:2003)
Ta slovenski standard je istoveten z: EN ISO 5167-1:2003
ICS:
17.120.10 Pretok v zaprtih vodih Flow in closed conduits
SIST EN ISO 5167-1:2004 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 5167-1:2004

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SIST EN ISO 5167-1:2004
EUROPEAN STANDARD
EN ISO 5167-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2003
ICS 17.120.10 Together with EN ISO 5167-2:2003,
EN ISO 5167-3:2003 and EN ISO 5167-4:2003,
supersedes EN ISO 5167-1:1995
English version
Measurement of fluid flow by means of pressure differential
devices inserted in circular cross-section conduits running full -
Part 1: General principles and requirements (ISO 5167-1:2003)
Mesure de débit des fluides au moyen d'appareils Durchflussmessung von Fluiden mit Drosselgeräten in voll
déprimogènes insérés dans des conduites en charge de durchströmten Leitungen mit Kreisquerschnitt - Teil 1:
section circulaire - Partie 1: Principes généraux et Allgemeine Grundlagen und Anforderungen (ISO 5167-
exigences générales (ISO 5167-1:2003) 1:2003)
This European Standard was approved by CEN on 20 February 2003.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,
Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovak Republic, Spain, Sweden, Switzerland and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2003 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 5167-1:2003 E
worldwide for CEN national Members.

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SIST EN ISO 5167-1:2004
EN ISO 5167-1:2003 (E)
CORRECTED  2003-09-03
Foreword
This document (EN ISO 5167-1:2003) has been prepared by Technical Committee ISO/TC 30
"Measurement of fluid flow in closed conduits" in collaboration with CMC.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by September 2003, and conflicting national
standards shall be withdrawn at the latest by September 2003.
This document, together with EN ISO 5167-2:2003, EN ISO 5167-3:2003 and EN ISO 5167-4:2003,
supersedes EN ISO 5167-1:1995.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Czech
Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Luxembourg, Malta, Netherlands, Norway, Portugal, Slovak Republic, Spain, Sweden, Switzerland
and the United Kingdom.
NOTE FROM CMC  The foreword is susceptible to be amended on reception of the German
language version. The confirmed or amended foreword, and when appropriate, the normative
annex ZA for the references to international publications with their relevant European publications
will be circulated with the German version.
Endorsement notice
The text of ISO 5167-1:2003 has been approved by CEN as EN ISO 5167-1:2003 without any
modifications.
2

---------------------- Page: 4 ----------------------

SIST EN ISO 5167-1:2004


INTERNATIONAL ISO
STANDARD 5167-1
Second edition
2003-03-01


Meas
...

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This document specifies the geometry and method of use (installation and operating conditions) of nozzles and Venturi nozzles when they are inserted in a conduit running full to determine the flowrate of the fluid flowing in the conduit.
This document also provides background information for calculating the flowrate and is applicable in conjunction with the requirements given in ISO 5167‑1.
This document is applicable to nozzles and Venturi nozzles in which the flow remains subsonic throughout the measuring section and where the fluid can be considered as single-phase. In addition, each of the devices can only be used within specified limits of pipe size and Reynolds number. It is not applicable to the measurement of pulsating flow. It does not cover the use of nozzles and Venturi nozzles in pipe sizes less than 50 mm or more than 630 mm, or where the pipe Reynolds numbers are below 10 000.
This document deals with
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The three types of standard nozzle are fundamentally different and are described separately in this document. The Venturi nozzle has the same upstream face as the ISA 1932 nozzle, but has a divergent section and, therefore, a different location for the downstream pressure tappings, and is described separately. This design has a lower pressure loss than a similar nozzle. For all of these nozzles and for the Venturi nozzle direct calibration experiments have been made, sufficient in number, spread and quality to enable coherent systems of application to be based on their results and coefficients to be given with certain predictable limits of uncertainty.
[1]   ISA is the abbreviation for the International Federation of the National Standardizing Associations, which was superseded by ISO in 1946.
[2] The long radius nozzle differs from the ISA 1932 nozzle in shape and in the position of the pressure tappings.

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This document specifies the geometry and method of use (installation and operating conditions) of cone meters when they are inserted in a conduit running full to determine the flow rate of the fluid flowing in the conduit.
As the uncertainty of an uncalibrated cone meter might be too high for a particular application, it might be deemed essential to calibrate the flow meter in accordance with Clause 7.
This document also provides background information for calculating the flow rate and is applicable in conjunction with the requirements given in ISO 5167‑1.
This document is applicable only to cone meters in which the flow remains subsonic throughout the measuring section and where the fluid can be considered as single-phase. Uncalibrated cone meters can only be used within specified limits of pipe size, roughness, β, and Reynolds number, Re. This document is not applicable to the measurement of pulsating flow. It does not cover the use of uncalibrated cone meters in pipes sized less than 50 mm or more than 500 mm, or where the pipe Reynolds numbers are below 8 × 104 or greater than 1,2 × 107.
A cone meter is a primary device which consists of a cone-shaped restriction held concentrically in the centre of the pipe with the nose of the cone upstream. The design of cone meter defined in this document has one or more upstream pressure tappings in the wall, and a downstream pressure tapping positioned in the back face of the cone with the connection to a differential pressure transmitter being a hole through the cone to the support bar, and then up through the support bar.
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This document specifies the geometry and method of use (installation and operating conditions) of wedge meters when they are inserted in a conduit running full to determine the flow rate of the fluid flowing in the conduit.
NOTE 1    As the uncertainty of an uncalibrated wedge meter can be too large for a particular application, it could be deemed essential to calibrate the flow meter according to Clause 7.
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