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首页 欧洲标准

欧洲标准.pdf

欧洲标准

舒叶0522
2013-11-27 0人阅读 举报 0 0 暂无简介

简介:本文档为《欧洲标准pdf》,可适用于经济金融领域

BSEN:ICSNOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBRITISHSTANDARDDistrictheatingpipesPreinsulatedbondedpipesystemsfordirectlyburiedhotwaternetworksJointassemblyforsteelservicepipes,polyurethanethermalinsulationandoutercasingofpolyethyleneThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeonMay©BSIISBNAmendmentscorrigendaissuedsincepublicationDateCommentsBSEN:NationalforewordThisBritishStandardistheUKimplementationofEN:ItsupersedesBSEN:whichiswithdrawnTheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeRHE,InsulatedundergroundpipelinesAlistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretaryThispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontractUsersareresponsibleforitscorrectapplicationCompliancewithaBritishStandardcannotconferimmunityfromlegalobligationsBSEN:EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMENMarchICSSupersedesEN:EnglishVersionDistrictheatingpipesPreinsulatedbondedpipesystemsfordirectlyburiedhotwaternetworksJointassemblyforsteelservicepipes,polyurethanethermalinsulationandoutercasingofpolyethyleneTuyauxdechauffageurbainSystèmesbloquésdetuyauxpréisoléspourlesréseauxd'eauchaudeenterrésdirectementAssemblagepréisolépourtubedeserviceenacier,isolationthermiqueenpolyuréthaneettubedeprotectionenpolyéthylèneFernwärmerohreWerkmäßiggedämmteVerbundmantelrohrsystemefürdirekterdverlegteFernwärmenetzeRohrverbindungenfürStahlmediumrohremitPolyurethanWärmedämmungundAußenmantelausPolyethylenThisEuropeanStandardwasapprovedbyCENonJanuaryCENmembersareboundtocomplywiththeCENCENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalterationUptodatelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCENManagementCentreortoanyCENmemberThisEuropeanStandardexistsinthreeofficialversions(English,French,German)AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCENManagementCentrehasthesamestatusastheofficialversionsCENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Romania,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdomEUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:AvenueMarnix,BBrussels©CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembersRefNoEN::EBSEN:EN:(E)ContentspageForewordIntroductionScopeNormativereferencesTermsanddefinitionsRequirementsGeneralrequirementsGeneralrequirementsforthejointInstallationofthejointCompetenceofthewelderandfitterExpectedthermallifeandlongtermtemperatureresistanceSteelservicepipeweldPolyurethanerigidfoaminsulation(PUR)JointcasingTypetestrequirementsWatertightnessSoilstresstestPolyurethanerigidfoaminsulation(PUR)propertiesWeldjointstresscrackresistanceInstallationinstructionsGeneralWorkenvironmentCleaningSurveillancesystemSteelsiteweldJointcasingJointinsulationMethodsfortypetestsSoilstresstestWaterimpermeabilitytestWeldjointstresscrackresistancetestPolyurethanerigidfoaminsulation(PUR)GeneralTestspecimensSamplingAgeingresistanceCellstructureFoamdensityWaterabsorptionatelevatedtemperatureMarkingGeneralJointcasingPlugsJointinsulationsystemAnnexA(normative)FusionweldingofsteelservicepipesonsiteAGeneralAMaterialAWeldingprocessBSEN:EN:(E)APreparationforweldingandliningupAQualificationofweldersASteelweldinspectionAGeneralALeaktightnesstestwithairgasALeaktightnesstestwithwaterARadiographicexaminationAUltrasonicexaminationAnnexB(informative)GeneralguidelinesforinspectionofthejointonsiteAnnexC(informative)QualificationoffittersinstallingjointsinpreinsulatedbondedpipenetworksCKnowledgeandskillsCBackgroundfortrainingandtestingCSubjectsfortrainingandtestingCGeneralCCasingofpolyethylene(PE)CSurveillanceCPURfoamsystemCJointtypesjointingsystemsCInstallationofjointsBibliographyBSEN:EN:(E)ForewordThisdocument(EN:)hasbeenpreparedbyTechnicalCommitteeCENTC“Prefabricateddistrictheatingpipesystems”,thesecretariatofwhichisheldbyDSThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbySeptember,andconflictingnationalstandardsshallbewithdrawnatthelatestbySeptemberAttentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrightsCENandorCENELECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrightsThisdocumentsupersedesEN:AccordingtotheCENCENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Bulgaria,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Romania,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandtheUnitedKingdomBSEN:EN:(E)IntroductionThefirsteditionofENwasapprovedinandupdatedinThemainareasofthisrevisionarethefollowing:RequirementsforweldedjointshavebeenaddedRequirementsforjointsinsulatedwithprefabricatedjointinsulationhavebeenaddedRequirementsandtestmethodsforPURfoampropertieshavebeenliftedfromENintothisstandardRequirementsformarkingofjointshavebeenaddedThisspecificationispartoftheseriesofstandardsforbondedsystemsusingpolyurethanefoamthermalinsulationappliedtobondtoasteelservicepipeandapolyethylenecasingForinformationontheminimumexpectedthermallifewithoperationatvarioustemperatureswithrespecttoPURfoamperformanceseeEN:,AnnexBTheotherstandardsfromTCare:EN:,Districtheatingpipes–Preinsulatedbondedpipesystemsfordirectlyburiedhotwaternetworks–Pipeassemblyofsteelservicepipe,polyurethanethermalinsulationandoutercasingofpolyethyleneEN:,Districtheatingpipes–Preinsulatedbondedpipesystemsfordirectlyburiedhotwaternetworks–Fittingassembliesofsteelservicepipes,polyurethanethermalinsulationandoutercasingofpolyethyleneEN:,Districtheatingpipes–Preinsulatedbondedpipesystemsfordirectlyburiedhotwaternetworks–Steelvalveassemblyforsteelservicepipes,polyurethanethermalinsulationandoutercasingofpolyethyleneEN:,DesignandinstallationofpreinsulatedbondedpipesystemsfordistrictheatingEN:,Districtheatingpipes–Preinsulatedbondedpipesystemsfordirectlyburiedhotwaternetworks–SurveillancesystemsAsinformationtotheusersofthisstandardCENTChasdecidedtomentionthatatthetimeofpublicationofthisEuropeanStandardCENTChadalreadyconcludedontheinvestigationandfurtherpreparationofthefollowingtopics:appropriateshortandlongtermtypetestsforalljointingsystemsincorporationofthefindingsofrunningresearchactivitiestointroducenewtestproceduresandrequirementsfurtherpreparationofAnnexCaimingatmakingthisannexnormativefurtherpreparationsofAnnexBconcerningonsitejointinspectionandestablishsuitablemethodsforfieldtestsrequirementsandtestmethodsregardingtheclosureoffoamingholeplugsBSEN:EN:(E)TheabovementioneditemsshouldbedealtwithandtheintentionistoincludetheresultsinthenextrevisionofthisEuropeanStandardBSEN:EN:(E)ScopeThisEuropeanStandardspecifiesrequirementsforjointsmadeunderfieldconditionsbetweenadjacentpreinsulatedpipesandorfittingsindistrictheatingnetworksThespecifiedgeneralrequirementsarealsovalidforfieldmadeTbranches,bends,reducers,caps,etcThisEuropeanStandardcoversjointingofsteelservicepipesbymeansoffusionwelding,theconnectingofcasingendswithjointcasingsandthethermalinsulationwithpouredrigidPURfoamorprefabricatedPURfoaminsulationThisEuropeanStandardspecifiesmethodsfortypetestsofcompletejointsandPURfoamforjointsunderlaboratoryconditionsTherequirementsofthisEuropeanStandardcanalsobeappliedtocasingpipeweldingsconnectionsofonsitemadefittingsTherequirementsofthisEuropeanStandardaimtoobtainatechnicallifeofthejointsofatleastyearsNormativereferencesThefollowingreferenceddocumentsareindispensablefortheapplicationofthisdocumentFordatedreferences,onlytheeditioncitedappliesForundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)appliesEN:,Districtheatingpipes–Preinsulatedbondedpipesystemsfordirectlyburiedhotwaternetworks–Pipeassemblyofsteelservicepipe,polyurethanethermalinsulationandoutercasingofpolyethyleneEN,Qualificationtestofwelders–Fusionwelding–Part:SteelsEN,Nondestructivetesting–GeneralprinciplesforradiographicexaminationofmetallicmaterialsbyXandgammaraysEN,Nondestructiveexaminationofwelds–RadiographicexaminationofweldedjointsEN:,Nondestructiv

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