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I.S. EN ISO 5167-2:2003

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

MEASUREMENT OF FLUID FLOW BY MEANS OF PRESSURE DIFFERENTIAL DEVICES INSERTED IN CIRCULAR CROSS-SECTION CONDUITS RUNNING FULL - PART 2: ORIFICE PLATES
Available format(s)

Hardcopy , PDF

Superseded date

04-03-2023

Language(s)

English

Published date

01-01-2003

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Principles of the method of measurement and computation
5 Orifice plates
   5.1 Description
   5.2 Pressure tappings
   5.3 Coefficients and corresponding uncertainties of
        orifice plates
   5.4 Pressure loss, delta[omega]
6 Installation requirements
   6.1 General
   6.2 Minimum upstream and downstream straight lengths
        for installation between various fittings and the
        orifice plate
   6.3 Flow conditioners
   6.4 Circularity and cylindricality of the pipe
   6.5 Location of orifice plate and carrier rings
   6.6 Method of fixing and gaskets
Annex A (informative) Tables of discharge coefficients
         and expansibility [expansion] factors
Annex B (informative) Flow conditioners
Bibliography

Defines the geometry and method of use (installation and operating conditions) of orifice plates when they are inserted in a conduit running full to determine the flow-rate of the fluid flowing in the conduit.

DocumentType
Standard
Pages
60
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

EN 24006:1993 Measurement of fluid flow in closed conduits - Vocabulary and symbols (ISO 4006:1991)
ISO/TR 5168:1998 Measurement of fluid flow Evaluation of uncertainties
EN 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/TR 3313:1998 Measurement of fluid flow in closed conduits Guidelines on the effects of flow pulsations on flow-measurement instruments
ISO/TR 9464:2008 Guidelines for the use of ISO 5167:2003
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 4006:1991 Measurement of fluid flow in closed conduits — Vocabulary and symbols

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