1、BRITISH STANDARD BS EN 3248:2001 Aerospace series Pipe coupling 8 30 in titanium alloy Adaptors, reduced pipe end, with lockring The European Standard EN 3248:2001 has the status of a British Standard ICS 49.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 3248:2001 Th
2、is British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 16 October 2001 BSI 16 October 2001 ISBN 0 580 37121 2 National foreword This British Standard is
3、 the official English language version of EN 3248:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/12/1, Aerospace Fastener, Fastening systems, details and parts (international), which has the responsibility to: A list of organizations represented on this commit
4、tee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by usi
5、ng the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity
6、 from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summar
7、y of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 6, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEU
8、ROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3248 September2001 ICS49.080 Englishversion AerospaceseriesPipecoupling830intitaniumalloy Adaptors,reducedpipeend,withlockring ThisEuropeanStandardwasapprovedbyCENon6January2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipul
9、atetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,
10、German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Irel
11、and,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwid
12、eforCENnationalMembers. Ref.No.EN3248:2001EEN3248:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandt
13、heOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyMarch2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyMarch2002. AccordingtotheC
14、EN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdo
15、m.EN3248:2001(E) 3 1 Scope Thisstandardspecifiesthecharacteristicsforadaptorswithreducedpipeend,withlockring,forpipe couplings8 30,intitaniumalloy,forinstallinginaboss,foraerospaceapplications. Nominalpressure:upto28000kPa Temperaturerange:55 Cto135 C 2 Normativereferences ThisEuropeanStandardincorp
16、oratesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamend
17、mentorrevision.Forundatedreferences,the latesteditionofthepublicationreferredtoapplies(includingamendments). ISO58553 AerospaceMJthreadsPart3:Limitdimensionsforfittingsforfluidsystems EN2424 AerospaceseriesMarkingofaerospaceproducts EN2491 AerospaceseriesMolybdenumdisulphidedrylubricantsCoatingmetho
18、ds EN2602 AerospaceseriesPortsforinstallationofstraightmetricsizeunionswithlockingring Dimensions 1) EN2603 AerospaceseriesStraightmetricsizeunionswithlockingringPortendDimensions 1) EN2604 AerospaceseriesStraightmetricsizeunionswithlockingring8 30unioninterface Dimensions 1) EN2645 AerospaceseriesS
19、traightmetricsizeunionswithlockingringLockingring Dimensions 1) EN3079 AerospaceseriesPipecoupling8 30upto28000kPaAdaptorsMetricseries Technicalspecification 1) EN3311 AerospaceseriesTitaniumalloyTIP64001AnnealedBarformachining D 150mm 1) EN3314 AerospaceseriesTitaniumalloyTIP64001Solutiontreatedand
20、agedBarfor machining D 75mm 1) AMS2488D AnodictreatmentTitaniumandtitaniumalloysSolutionpH13orhigher 2) 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandard 2) Publishedby:SocietyofAutomotiveEngineers,Inc.(SAE),400CommonwealthDrive,Warrendale,PA150960001EN3248:2001(E) 4 3 Requiredchara
21、cteristics 3.1 ConfigurationDimensionsMass Accordingtofigure1andtable1.Thevaluesapplybeforelubricatingoranodizing. 3.2 Surfaceroughness Accordingtofigure1,unlessotherwisespecifiedinthedesigndocumentation 3.3 Materials (foradaptor) AccordingtoEN3311orEN3314 3.4 Surfacetreatments (foradaptor) Lubricat
22、ion:accordingtoEN2491,onallsurfacesexceptintheflowhole. Filmthickness:0,005mmto0,013mm Alternative: Anodizing:accordingtoAMS2488,type2 Dimensionsinmillimetres a Designdimensiononly e AdaptorinterfaceaccordingtoEN2604 b PortendaccordingtoEN2602 f Thread1 c PortendaccordingtoEN2603 g Thread2 d Lockrin
23、gaccordingtoEN2645 Figure1EN3248:2001(E) 5 Table1 Dimensionsinmillimetres Portend Adaptorinterface (reduced) d 1 d 2 e d 3 f l 1 l 2 l 3 l 4 l 5 b Code c Mass g/piece Lock ring code f Thread1 d Thread2 d Code a 4h6h 4h6h +0,2 0 Ref. Ref. Ref. 0,5 0,15 0,40 0,40 max. 0805 MJ8 1 06 MJ10 1 05 4,40 4,2
24、14,7 30,6 15,8 7,25 14,75 6,75 098 1005 MJ10 1 05 4,2 33,0 17,0 7,25 10,74 1006 MJ10 1 08 MJ12 1,25 06 6,10 5,0 17,8 34,5 18,5 8,75 16,15 12,77 125 1205 MJ10 1 05 4,2 33,7 17,0 7,25 13,51 1206 MJ12 1,25 06 5,0 35,2 18,5 8,75 16,51 1208 MJ12 1,25 10 MJ14 1,5 08 7,70 6,7 19,5 37,0 20,3 10,55 16,70 16,
25、28 136 1405 MJ10 1 05 4,2 34,3 17,0 7,25 16,11 1406 MJ12 1,25 06 5,0 35,8 18,5 8,75 19,95 1408 MJ14 1,5 08 6,7 37,6 20,3 10,55 19,25 1410 MJ14 1,5 12 MJ16 1,5 10 9,00 8,7 21,0 37,6 20,3 10,55 17,45 21,53 153 1606 MJ12 1,25 06 5,0 36,5 18,5 8,75 24,44 1608 MJ14 1,5 08 6,7 38,3 23,31 1610 MJ16 1,5 10
26、8,7 38,3 25,71 1612 MJ16 1,5 14 MJ18 1,5 12 10,70 10,6 22,6 38,3 17,90 21,75 170 1808 MJ14 1,5 08 6,7 39,0 30,95 1810 MJ16 1,5 10 8,7 39,0 33,72 1812 MJ18 1,5 12 10,6 39,0 29,51 1814 MJ18 1,5 16 MJ20 1,5 14 12,50 11,4 26,4 39,0 20,3 18,65 31,06 192 2010 MJ16 1,5 10 8,7 40,9 40,02 2012 MJ18 1,5 12 10
27、,6 40,9 35,51 2014 MJ20 1,5 14 11,4 40,9 37,22 2016 MJ20 1,5 18 MJ22 1,5 16 14,20 13,3 28,0 40,9 20,50 35,44 214 2212 MJ18 1,5 12 10,6 41,5 42,20 2214 MJ20 1,5 14 11,4 41,5 44,01 2216 MJ22 1,5 16 13,3 41,5 42,30 2218 MJ22 1,5 20 MJ24 1,5 18 15,90 15,3 30,2 41,5 20,50 40,49 231 2414 MJ20 1,5 14 11,4
28、42,2 55,71 2416 MJ22 1,5 16 13,3 42,2 53,90 2418 MJ24 1,5 18 15,3 42,2 20,5 10,55 21,50 52,09 2420 MJ24 1,5 22 MJ27 1,5 20 17,65 18,0 33,7 42,4 20,7 10,75 21,45 47,55 253 2716 MJ22 1,5 16 13,3 43,3 72,48 2718 MJ24 1,5 18 15,3 43,3 20,6 10,55 73,11 2720 MJ27 1,5 20 18,0 43,5 23,30 65,01 2722 MJ27 1,5
29、 25 MJ30 1,5 22 20,20 20,8 37,0 43,5 10,75 21,25 56,01 295 3018 MJ24 1,5 18 15,3 44,3 10,55 89,13 3020 MJ27 1,5 20 18,0 44,5 82,78 3022 MJ30 1,5 22 20,8 44,5 75,77 3025 MJ30 1,5 28 MJ33 1,5 25 22,80 22,4 40,7 44,5 23,70 76,57 320 3320 MJ27 1,5 20 18,0 45,5 101,75 3322 MJ30 1,5 22 20,8 45,5 91,62 332
30、5 MJ33 1,5 25 22,4 45,5 25,40 94,50 3328 MJ33 1,5 32 MJ36 1,5 28 25,40 25,6 43,0 45,5 20,8 10,75 21,30 83,06 350 a Correspondstothethreaddiameterofportendandthecodeofthreaddiameterofadaptorinterface b Correspondstothepipenormaloutsidediameter c Correspondstothepipereducedoutsidediameter d Accordingt
31、oISO58553 e AccordingtoEN2604 f AccordingtoEN2645EN3248:2001(E) 6 4Designation EXAMPLE: Descriptionblock Identityblock ADAPTOR,REDUCED EN32481406 Numberofthisstandard Code(seetable1) NOTE:Ifnecessary,thecode I9005shallbeplacedbetweenthedescriptionblockandtheidentityblock. 5 Marking AccordingtoEN2424
32、,styleG 6 Technicalspecification AccordingtoEN3079,type IIBS EN 3248:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the internation
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