BS EN 489-2003热水分配管道 地下热水网用预隔热包覆的管道系统 成套钢铁管道设备的接头组

BRITISHSTANDARDBSEN489:2003Districtheatingpipes—Preinsulatedbondedpipesystemsfordirectlyburiedhotwaternetworks—Jointassemblyforsteelservicepipes,polyurethanethermalinsulationandoutercasingofpolyethyleneTheEuropeanStandardEN489:2003hasthestatusofaBritishStandardICS23.040.60

 
 BSEN489:2003ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon27February2003©BSI27February2003ISBN0580413187NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN489:2003.ItsupersedesBSEN489:1995whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteeRHE/9,Thermalinsulatingmaterials,toSubcommitteeRHE/9/3,Insulationofundergroundpipelines,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to24,aninsidebackcoverandabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN489February2003ICS23.040.60SupersedesEN489:1994EnglishversionDistrictheatingpipes-Preinsulatedbondedpipesystemsfordirectlyburiedhotwaternetworks-Jointassemblyforsteelservicepipes,polyurethanethermalinsulationandoutercasingofpolyethyleneTuyauxdechauffageurbain-Systèmesbloquésdetuyauxpré-isoléspourlesréseauxd'eauchaudeenterrésdirectement-Assemblagepré-isolépourtubedeserviceenacier,isolationthermiqueenpolyuréthaneettubedeprotectionenpolyéthylèneFernwärmerohre-WerkmaßiggedämmteVerbundmantelrohrsystemefürdirekterdverlegteFernwärmenetze-RohrverbindungenfürStahlmediumrohremitPolyurethan-WärmedämmungundAußenmantelausPolyethylenThisEuropeanStandardwasapprovedbyCENon28November2002.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,SlovakRepublic,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2003CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN489:2003EEN489:2003(E)2ContentspageForeword......................................................................................................................................................................4Introduction.................................................................................................................................................................51Scope..............................................................................................................................................................62Normativereferences....................................................................................................................................63Termsanddefinitions....................................................................................................................................74Requirements.................................................................................................................................................74.1Generalrequirements....................................................................................................................................74.1.1Generalrequirementsforthejoint...............................................................................................................74.1.2Constructionofthejoint.............................................