BRITISHSTANDARDBSEN12266-1:2003IncorporatingCorrigendumNo.1Industrialvalves—Testingofvalves—Part1:Pressuretests,testproceduresandacceptancecriteria—MandatoryrequirementsTheEuropeanStandardEN12266-1:2003hasthestatusofaBritishStandardICS23.060.01����������������������������������������������������������������������LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,TueAug2200:18:42BST2006,UncontrolledCopy,(c)BSIwww.bzfxw.comBSEN12266-1:2003ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon2April2003©BSI23May2003ISBN0580414949NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12266-1:2003.TogetherwithBSEN12266-2:2002,itsupersedesBS6755-1:1986whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteePSE/7,Valves,toSubcommitteePSE/7/1,Valves—Basicstandards,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to15andabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.Amendmentsissuedsincepu...