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BRITISHSTANDARDBSEN10226-3:2005Pipethreadswherepressure-tightjointsaremadeonthethreads—Part3:VerificationbymeansoflimitgaugesTheEuropeanStandardEN10226-3:2005hasthestatusofaBritishStandardICS21.040.30 BSEN10226-3:2005ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30September2005©BSI30September2005ISBN0580461173NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN10226-3:2005.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeISE/19,Pipefittings(otherthancastiron),whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to35andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN10226-3February2005ICS21.040.30EnglishversionPipesthreadswherepressuretightjointaremadeonthethreads-Part3:VerificationbymeansoflimitgaugesFiletagedetuyauteriespourraccordementavecétanchéitéparlefiletage-Partie3:VérificationparcalibresàlimitesRohrgewindefürimGewindedichtendeVerbindungen-Teil3:PrüfungmitGrenzlehrenThisEuropeanStandardwasapprovedbyCENon22December2004.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2005CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN10226-3:2005:EEN10226-3:2005(E)2ContentspageForeword......................................................................................................................................................................31Scope..............................................................................................................................................................42Normativereference......................................................................................................................................43Termsanddefinitions...................................................................................................................................44Symbols..........................................................................................................................................................55Designofgauges...........................................................................................................................................65.1General............................................................................................................................................................65.2Taperfullformthreadedpluggauges(gaugesNo.1andNo.2)..............................................................75.3Parallelfullformthreadedringgauge(gaugeNo.3)...............................................................................115.4Taperplainringgauge(gaugeNo.4)........................................................................................................135.5Tapermodifiedthreadformcheckpluggauge(gaugeNo.5)................................................................145.6Parallelmodifiedthreadformcheckringgauge(gaugeNo.6)..............................................................166Useofgaugesandcheckingofpipethrea
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