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|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN1148:1999TheEuropeanStandardEN1148:1998hasthestatusofaBritishStandardICS91.140.10NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWHeatexchangersÐWater-to-waterheatexchangersfordistrictheatingÐTestproceduresforestablishingtheperformancedataBSEN1148:1999ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15March1999©BSI03-1999ISBN0580305465AmendmentsissuedsincepublicationAmd.No.DateTextaffectedNationalforewordThisBritishStandardistheEnglishlanguageversionofEN1148:1998.ItsupersedesDDENV1148:1994,whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeRHE/30,Heatexchangers,whichhastheresponsibilityto:Ðaidenquirerstounderstandthetext;ÐpresenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;ÐmonitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitledªInternationalStandardsCorrespondenceIndexº,orbyusingtheªFindºfacilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to9andabackcover.CENEuropeanCommitteeforStandardizationComiteÂEuropeÂendeNormalisationEuropaÈischesKomiteefuÈrNormungCentralSecretariat:ruedeStassart36,B-1050Brussels©1998CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN1148:1998EEUROPEANSTANDARDEN1148NORMEEUROPEÂENNEEUROPAÈISCHENORMSeptember1998ICS91.140.10Descriptors:heattransfer,heatexchangers,heating,hotwaterheating,tests,determination,thermodynamicproperties,performanceevaluation,measurements,calorificpowerEnglishversionHeatexchangersÐWater-to-waterheatexchangersfordistrictheatingÐTestproceduresforestablishingtheperformancedataEchangeursthermiquesÐEchangeurseau/eaupourchauffageurbainÐProceÂduresd'essaipourladeÂterminationdesperformancesWaÈrmeaustauscherÐWasser/Wasser-WaÈrmeaustauscherfuÈrFernheizungÐPruÈfverfahrenzurFeststellungderLeistungsdatenThisEuropeanStandardwasapprovedbyCENon3September1998.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.Page2EN1148:1998©BSI03-1999ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC110,Heatexchangers,theSecretariatofwhichisheldbyBSI.ThisEuropeanStandardsupersedesENV1148:1993.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyMarch1999,andconflictingnationalstandardsshallbewithdrawnatthelatestbyMarch1999.AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.ContentsPageForeword2Introduction31Scope32Normativereferences33Definitions34Symbols45Manufacturer'sdata46Performanceconditions47Measurements68Testingmethod69Testingprocedures610Capacitycalculation711Testreport8AnnexA(informative)Bibliography9Page3EN1148:1998©BSI03-1999IntroductionThisEuropeanStandardispartofaseriesofEuropeanStandardsdedicatedtoheatexchangers.IthasbeendrawnupbyCEN/TC110.1ScopeThisstandardappliestoseries-producedwater-to-waterheatexchangersfordistrictheatingappliances,anditspurposeistoestablishuniformmethodstotestandascertainthefollowing:Ðproductidentification;Ðperformancecharacteristics;Ðpressuredrop.ThisEuropeanStandarddoesnotcovertechnicalsafetyaspects.2NormativereferencesThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.Thesenormativereferencesarecitedattheap
本文标题:BS EN 1148-1999 Heat exchangers Ð Water-to-water h
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