BS-EN-12266-2-2002.pdf
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1、BRITISH STANDARD BS EN 12266-2:2002 Incorporating Corrigendum No. 1 Industrial valves Testing of valves Part 2: Tests, test procedures and acceptance criteria Supplementary requirements The European Standard EN 12266-2:2002 has the status of a British Standard ICS 23.060.01 ? BS EN 12266-2:2002 This
2、 British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 6 December 2002 BSI 23 May 2003 ISBN 0 580 40898 1 National foreword This British Standard is the o
3、fficial English language version of EN 12266-2:2002. Together with BS EN 12266-1:2003, it supersedes BS 6755-1:1986 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee PSE/7, Industrial valves, to Subcommittee PSE/7/1, Basic standards, which has the respo
4、nsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled
5、“International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance wit
6、h a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related internat
7、ional and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 13 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments i
8、ssued since publication Amd. No. DateComments 14506 Corrigendum No. 1 23 May 2003Addition of supersession details to national foreword EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12266-2 November 2002 ICS 23.060.01 English version Industrial valves - Testing of valves - Part 2: Tests, test
9、procedures and acceptance criteria - Supplementary requirements Robinetterie industrielle - Essais des appareils de robinetterie - Partie 2: Essais, procdures dessai et critres dacceptation - Prescriptions complmentaires Industriearmaturen - Prfung von Armaturen - Teil 2: Prfungen, Prfverfahren und
10、Annahmekriterien - Ergnzende Anforderungen This European Standard was approved by CEN on 2 October 2002. 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
11、. 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 u
12、nder 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, Iceland, Ireland, Italy, Lux
13、embourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2002 CENAll rights of exploitation in any form and
14、 by any means reserved worldwide for CEN national Members. Ref. No. EN 12266-2:2002 E EN 12266-2:2002 (E) 2 Contents page Foreword.3 Introduction .4 1Scope.4 2Normative references.4 3Terms and definitions.4 4Test requirements5 5Designation5 Annex A (normative) Pressure tests Test procedures and acce
15、ptance criteria .6 A.1General requirements.6 A.2Obturator strength, Test P20 8 A.3Back seat tightness, Test P21 10 Annex B (normative) Functional tests Test procedures and acceptance criteria12 B.1Operability, Test F20 12 B.2Anti-static design, Test F21 and Test F22.12 EN 12266-2:2002 (E) 3 Foreword
16、 This document EN 12266-2:2002 has been prepared by Technical Committee CEN /TC 69 “Industrial valves“, the secretariat of which is held by AFNOR. 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 M
17、ay 2003, and conflicting national standards shall be withdrawn at the latest by May 2003. EN 12266 consists of two parts, which can be used separately under the general title, Industrial valves Testing of valves : Part 1: Pressure tests, test procedures and acceptance criteria Mandatory requirements
18、 Part 2: Tests, test procedures and acceptance criteria Supplementary requirements Part 1 was drawn up on the basis of International Standard ISO 5208 and Part 2 contains supplementary testing requirements for tests, test procedures and acceptance criteria of valves. Special requirements, which are
19、specific to one product or one performance standard only, are not included in this standard. Details should be included in the appropriate standard. Annexes A and B are normative. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are b
20、ound to implement this European Standard : Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. EN 12266-2:2002 (E) 4 Introduction The purpose of this
21、 European Standard is to establish certain basic requirements for supplementary testing of industrial valves in order to ensure uniform tests and test procedures are adopted. The tests and procedures detailed may be used for production tests and also, when required, for type tests and acceptance tes
22、ts. 1 Scope This European Standard specifies supplementary requirements for tests, test procedures and acceptance criteria of industrial valves. The specified tests may be used as type tests, production tests or acceptance tests. The application of these tests will be specified in the appropriate pr
23、oduct or performance standards. When specified as a normative reference in a valve product or performance standard, it is essential to consider this standard in conjunction with the specific requirements of that valve product or performance standard. Where requirements in a product or performance st
24、andard differ from those given in this standard, the requirements of the product or performance standard apply. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places
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