BS EN 12068-1999 阴极保护.埋于地下的或浸于水中的钢管外部防腐有机涂层.磁带和可缩材

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN12068:1999TheEuropeanStandardEN12068:1998hasthestatusofaBritishStandardICS23.040.99;25.220.60;77.060NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWCathodicprotectionÐExternalorganiccoatingsforthecorrosionprotectionofburiedorimmersedsteelpipelinesusedinconjunctionwithcathodicprotectionÐTapesandshrinkablematerialsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,SunMar2512:27:16GMT+00:002007,UncontrolledCopy,(c)BSIThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15May1999©BSI05-1999ISBN0580302296BSEN12068:1999AmendmentsissuedsincepublicationAmd.No.DateTextaffectedNationalforewordThisBritishStandardistheEnglishlanguageversionofEN12068:1998.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeISE/16,Protectivecoatingsandliningsofmetalpipesandfittings,whichhastheresponsibilityto:to:Ðaidenquirerstounderstandthetext;ÐpresenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;ÐmonitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitledªInternationalStandardsCorrespondenceIndexº,orbyusingtheªFindºfacilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to28,aninsidebackcoverandabackcover.LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,SunMar2512:27:16GMT+00:002007,UncontrolledCopy,(c)BSICENEuropeanCommitteeforStandardizationComiteÂEuropeÂendeNormalisationEuropaÈischesKomiteefuÈrNormungCentralSecretariat:ruedeStassart36,B-1050Brussels©1998CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN12068:1998EEUROPEANSTANDARDEN12068NORMEEUROPEÂENNEEUROPAÈISCHENORMAugust1998ICS23.040.99;25.220.60Descriptors:metalprotection,corrosionprevention,electrochemicalcorrosion,organiccoatings,adhesivetapes,cathodicprotection,buriedpipes,submergedconstruction,steeltubes,specifications,operatingrequirements,quality,conformitytests,testsEnglishversionCathodicprotectionÐExternalorganiccoatingsforthecorrosionprotectionofburiedorimmersedsteelpipelinesusedinconjunctionwithcathodicprotectionÐTapesandshrinkablematerialsProtectioncathodiqueÐReveÃtementsorganiquesexteÂrieurspourlaprotectioncontrelacorrosiondetubesenacierenterreÂsouimmergeÂsenconjonctionaveclaprotectioncathodiqueÐBandesetmateÂriauxreÂtractablesKathodischerKorrosionsschutzÐOrganischeUmhuÈllungenfuÈrdenKorrosionsschutzvoninBoÈdenundWaÈssernverlegtenStahlrohrleitungenimZusammenwirkenmitkathodischemKorrosionsschutz±BaÈnderundschrumpfendeMaterialienThisEuropeanStandardwasapprovedbyCENon18July1998.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,SunMar2512:27:16GMT+00:002007,UncontrolledCopy,(c)BSIPage2EN12068:1998©BSI05-1999ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC219,Cathodicprotection,theSecretariatofwhichisheldbyBSI.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyFebruary1999,andconflictingnationalstandardsshallbewithdrawnatthelatestbyFebruary1999.AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.ContentsPageForeword2Introduction31Scope32Normativereferences33Definitions44Classificationanddesigna