EN 12266-1-2012
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ADA1B3CD97FD4BA284FF42CDBD75F7D0 |
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0.9 |
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18 |
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日期： |
2024-6-23 |
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EUROPEAN STANDARD,NORME EUROPEENNE,EUROPAISCHE NORM,EN 12266-1,April 2012,ICS 23.060.01 Supersedes EN 12266-1:2003,English Version,Industrial valves - Testing of metallic valves - Part 1: Pressure,tests, test procedures and acceptance criteria - Mandatory,requirements,Robinetterie industrielle - Essais des ap pa re Ns de,robinetterie mdtalliques - Partie 1: Essais sous pression,procedures d'essai et entires d'acceptation 丒 Prescriptions,obligato ires,Industriearmaturen - PrOfung von Armaturen aus MetalJ -,Teil 1: Druckprijfungen, Prijfverfahren und,Annahmekriterien - Verbindliche Anforderungen,This European Standard was approved by CEN on 25 February 2012.,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 CEN-CEN ELEC 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 CEN-CENELEC Management Centre has the same,status as the official versions.,CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.,JBS EUROPEAN COMMITTEE FOR STANDARDIZATION,COMITE EUROPEEN DE NORMALISATION,EUROPAISCHES KOMITEE FUR NORMUNG,Management Centre: Avenue Marnix 17, B-1000 Brussels,. 2012 CEN All rights of exploitation in any form and by any means reserved,worldwide for CEN national Members.,Ref. No. EN 12266-1:2012: E,EN 12266-1:2012 (E),Contents Page,Foreword.. .. 3,Introduction .. .■■丒ハ. .. *. . .. . ,■丒ハ. . 4,1 Scope ..5,2 Normative references 5,3 Terms and definitions .. .5,4 Test requirements.. - 6,5 Designation..-.. 7,Annex A (normative) Fest procedures and acceptance criteria..8,A.1 General requirements ?8,A.2 Shell strength, test reference, P10 .. .■■丒ハ. . * ?10,A.3 Shell tightness, test reference, P11 .-.12,A.4 Seat tightness, test reference P12 .13,Annex ZA (informative) Relationship between this European Standard and the Essential Requirements,ofEU Directive 97/23/EC (PED).. . . 16,Bibliography. -.. .. .. 17,2,EN 12266>1:2012 (E),Foreword,This document (EN 12266-1:2012) 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 October 2012, and conflicting national standards shall be withdrawn at the latest,by October 2012.,This document supersedes EN 12266-1:2003.,This document has been prepared under a mandate given to CEN by the European Commission and the European,Free Trade Association, and supports essential requirements of EU Directive 97/23/EC (PED).,For relationship with EU Directive 97/23/EC (PED), see informative Annex ZA, which is an integral part of this,document.,The main changes compared to the previous edition are:,a) the scope was specified and editorially revised;,b) the normative references were updated;,c) Clause 3 Terms and definitions was revised;,d) Clause 4 Test requirements was changed;,e) A.1.6 Allowable pressure at room temperature was deleted;,f) Table A.2, "Minimum test duration for shell tests" has been updated;,g) Annex ZA was revised;,h) Bibliography was updated,EN 12266, Industrial valves — Testing of metallic valves consists of the following parts:,—?Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements,— Part 2: Tests, test procedures and acceptance criteria - Supplementary requirements,EN 12266-1 was drawn up on the basis of International Standard ISO 5208:1993. EN 12266-2 contains,supplementary testing requirements for tests, test procedures and acceptance criteria of valves.,According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following,countries are bound to Implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech,Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,Luxembourg, Malta, Netherlands, Norway, Poland, Po……
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