BS EN 1779-1999 无损检验.漏泄试验.方法和技术选择标准

BRITISHSTANDARDBSEN1779:1999IncorporatingAmendmentNo.1Non-destructivetesting—Leaktesting—CriteriaformethodandtechniqueselectionTheEuropeanStandardEN1779:1999,withtheincorporationofamendmentA1:2003,hasthestatusofaBritishStandardICS19.100

 
 BSEN1779:1999ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15November1999©BSI10February2004ISBN0580329313NationalforewordThisBritishStandardistheEnglishlanguageversionofEN1779:1999,includingamendmentA1:2003.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeWEE/46,Non-destructivetesting,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to18,aninsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateComments1496810February2004RevisiontoForewordpageanddeletionofAnnexZAEUROPEANSTANDARDEN1779August1999NORMEEUROPÉENNE+A1December2003EUROPÄISCHENORMICS91.040.70EnglishversionNon-destructivetesting-Leaktesting-Criteriaformethodandtechniqueselection(includesamendmentA1:2003)Essaisnondestructifs-Contrôlesd'étanchéité-Critèresdechoixdelaméthodeetdelatechnique(inclutl’amendementA1:2003)ZerstörungsfreiePrüfung–Dichtheitsprüfung-KriterienzurAuswahleinesPrüfverfahrens(enthältÄnderungA1:2003)ThisEuropeanStandardwasapprovedbyCENon10July1999,andamendmentA1wasapprovedbyCENon20November2003.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUnitedKingdom.CENEuropeanCommitteeforStandardizationComitéEuropéendeNormalisationEuropäischesKomiteefürNormungCentralSecretariat:ruedeStassart36,B-1050Brussels©1999AllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN1779:1999+A1:2003EPage2EN1779:1999ContentsPageForeword31Scope42Normativereferences43Definitions44Personnelqualification45Units46Tightnessrequirements47Leaktesting58Generalprinciplesofmethodandtechniqueselection9AnnexA(normative)Specificfeaturesofleaktestingmethods12AnnexB(informative)Conversionfactorsforleakagerateunits18Page3EN1779:1999ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC138Non-destructivetesting,theSecretariatofwhichisheldbyAFNORThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyFebruary2000,andconflictingnationalstandardsshallbewithdrawnatthelatestbyFebruary2000.ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropeanFreeTradeAssociation.AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.ForewordtoamendmentA1ThisdocumentEN1779:1999/A1:2003hasbeenpreparedbyTechnicalCommitteeCEN/TC138“Non-destructivetesting”,thesecretariatofwhichisheldbyAFNOR.ThisAmendmenttotheEuropeanStandardEN1779:1999shallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyJune2004,andconflictingnationalstandardsshallbewithdrawnatthelatestbyJune2004.ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropeanFreeTradeAssociation.According