BS EN 12452-1999 铜和铜合金.热交换器用轧制翅片无缝管

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN12452:1999TheEuropeanStandardEN12452:1999hasthestatusofaBritishStandardICS77.150.30NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWCopperandcopperalloysÐRolled,finned,seamlesstubesforheatexchangers©BSI11-1999ISBN0580327965BSEN12452:1999AmendmentsissuedsincepublicationAmd.No.DateCommentsNationalforewordThisBritishStandardistheEnglishlanguageversionofEN12452:1999.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteeNFE/34,Copperandcopperalloys,toSubcommitteeNFE/34/1,Wroughtandunwroughtcopperandcopperalloys,whichhastheresponsibilityto:Ðaidenquirerstounderstandthetext;ÐpresenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;ÐmonitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitledªInternationalStandardsCorrespondenceIndexº,orbyusingtheªFindºfacilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to19andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.(8523($167$1'$5'(11250((8523e(11((8523b,6&+(1250-XO\,&6(QJOLVKYHUVLRQ&RSSHUDQGFRSSHUDOOR\V²5ROOHGILQQHGVHDPOHVVWXEHVIRUKHDWH[FKDQJHUV&XLYUHHWDOOLDJHVGHFXLYUH²7XEHVVDQVVRXGXUHjDLOHWWHVSRXUpFKDQJHXUVWKHUPLTXHV.XSIHUXQG.XSIHUOHJLHUXQJHQ²1DKWORVHJHZDO]WH5LSSHQURKUHIU:lUPHDXVWDXVFKHU7KLV(XURSHDQ6WDQGDUGZDVDSSURYHGE\&(1RQ-XQH&(1PHPEHUVDUHERXQGWRFRPSO\ZLWKWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVZKLFKVWLSXODWHWKHFRQGLWLRQVIRUJLYLQJWKLV(XURSHDQ6WDQGDUGWKHVWDWXVRIDQDWLRQDOVWDQGDUGZLWKRXWDQ\DOWHUDWLRQ8SWRGDWHOLVWVDQGELEOLRJUDSKLFDOUHIHUHQFHVFRQFHUQLQJVXFKQDWLRQDOVWDQGDUGVPD\EHREWDLQHGRQDSSOLFDWLRQWRWKH&HQWUDO6HFUHWDULDWRUWRDQ\&(1PHPEHU7KLV(XURSHDQ6WDQGDUGH[LVWVLQWKUHHRIILFLDOYHUVLRQV(QJOLVK)UHQFK*HUPDQ$YHUVLRQLQDQ\RWKHUODQJXDJHPDGHE\WUDQVODWLRQXQGHUWKHUHVSRQVLELOLW\RID&(1PHPEHULQWRLWVRZQODQJXDJHDQGQRWLILHGWRWKH&HQWUDO6HFUHWDULDWKDVWKHVDPHVWDWXVDVWKHRIILFLDOYHUVLRQV&(1PHPEHUVDUHWKHQDWLRQDOVWDQGDUGVERGLHVRI$XVWULD%HOJLXP&]HFK5HSXEOLF'HQPDUN)LQODQG)UDQFH*HUPDQ\*UHHFH,FHODQG,UHODQG,WDO\/X[HPERXUJ1HWKHUODQGV1RUZD\3RUWXJDO6SDLQ6ZHGHQ6ZLW]HUODQGDQG8QLWHG.LQJGRP(8523($1&200,77(()2567$1'$5',=$7,21&20,7e(8523e(1'(1250$/,6$7,21(8523b,6&+(6.20,7(()h5125081*&HQWUDO6HFUHWDULDWUXHGH6WDVVDUW%%UXVVHOV‹&(1$OOULJKWVRIH[SORLWDWLRQLQDQ\IRUPDQGE\DQ\PHDQVUHVHUYHGZRUOGZLGHIRU&(1QDWLRQDO0HPEHUV5HI1R(1(3DJH2(1‹%6,&RQWHQWV3DJH)RUHZRUG6FRSH1RUPDWLYHUHIHUHQFHV'HILQLWLRQV'HVLJQDWLRQV0DWHULDO0DWHULDOFRQGLWLRQ3URGXFW2UGHULQJLQIRUPDWLRQ5HTXLUHPHQWV&RPSRVLWLRQ0HFKDQLFDOSURSHUWLHV'LPHQVLRQVDQGWROHUDQFHV7ROHUDQFHVRIIRUP6XUIDFHTXDOLW\7HFKQRORJLFDOUHTXLUHPHQWV6DPSOLQJ*HQHUDO$QDO\VLV0HFKDQLFDOWHVWV7HVWPHWKRGV$QDO\VLV