1、BRITISH STANDARD AEROSPACE SERIES BS EN 3245:2001 Pipe coupling 8 30 in titanium alloy Unions, reducer The European Standard EN 3245:2001 has the status of a British Standard ICS 49.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 3245:2001 This British Standard, havin
2、g 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 14 November 2001 BSI 14 November 2001 ISBN 0 580 37114 X National foreword This British Standard is the official English la
3、nguage version of EN 3245:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/12/1, Aerospace Fasteners, Fastening Systems, Details and Parts (International), which has the responsibility to: A list of organizations represented on this committee can be obtained on
4、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 using the “Find” facility
5、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 from legal obligations
6、. aid enquirers to understand the text; present to the responsible international/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. Summary of page
7、s This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5 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 CommentsEUROPEANSTANDARD NORMEEUROPENNE E
8、UROPISCHENORM EN3245 October2001 ICS49.080 Englishversion AerospaceseriesPipecoupling830intitaniumalloy Unions,reducer SriearospatialeSystmederaccordement830en alliagedetitaneRaccordsdroitspourrduction LuftundRaumfahrtRohrverschraubung830aus TitanlegierungGeradeReduzierverschraubungen ThisEuropeanSt
9、andardwasapprovedbyCENon6January2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapp
10、licationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembers
11、arethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG Manag
12、ementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3245:2001EEN3245:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). Afterinquiriesandvotescarr
13、iedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsemen
14、t,atthelatestbyApril2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyApril2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany
15、,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN3245:2001(E) 3 1 Scope Thisstandardspecifiesthecharacteristicsofstraightunionsreducer,forpipecouplings8 30,intitanium alloy,foraerospaceapplications. Nominalpressure:up28000kPa Tempera
16、turerange:55 Cto135 C 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesep
17、ublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferences,the latesteditionofthepublicationreferredtoapplies(includingamendments). ISO58553 AerospaceMJthreadsPart3:Limitdimensionsforfittingsforfluidsystems EN2424 AerospaceseriesMarkingofaerospaceproduc
18、ts EN2491 AerospaceseriesMolybdenumdisulphidedrylubricantsCoatingmethods EN3274 AerospaceseriesPipecoupling8 30ThreadendGeometricconfiguration EN3275 AerospaceseriesPipecoupling8 30upto28000kPaDynamicbeamseal MetricseriesTechnicalspecification EN 3311 AerospaceseriesTitaniumalloyTIP64001AnnealedBarf
19、ormachining D 150mm 1) EN3314 AerospaceseriesTitaniumalloyTIP64001SolutiontreatedandagedBarfor machining D 75mm 1) 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN3245:2001(E) 4 3 Requiredcharacteristics 3.1 ConfigurationDimensionsMass Accordingtofigure1andtable1.Thevaluesapplybe
20、forelubricating. Dimensionsnotspecifiedareatthemanufacturersoptionprovidedthatthequalificationandacceptance requirementsofEN3275,type IIaremet. 3.2 Surfaceroughness Accordingtofigure1,unlessotherwisespecifiedinthedesigndocumentation 3.3 Materials AccordingtoEN3311orEN3314 3.4 Surfacetreatment Lubric
21、ation:accordingtoEN2491,onthreadsandsealingfaces . Priortoapplicationofthelubricantthesurfaceshallbeabrasiveblastedusingnonmetallicgrit. Filmthickness:0,005mmto0,013mm Dimensionsinmillimetres a Areaformarking b Acrossflats s c AccordingtoEN3274,formB d Thread1 e Thread2 Figure1EN3245:2001(E) 5 Table
22、1 Dimensionsinmillimetres Thread1 b Thread2 b l 1 l 2 s Mass g/piece Code a 4g6g Code c 4g6g Code d 0,3 0,5 h13 max. 0605 0806 MJ12 1,25 MJ14 1,5 06 08 MJ10 1 MJ12 1,25 05 06 21 24,5 10 11 13 16 7,21 11,24 1008 1210 1612 MJ16 1,5 MJ18 1,5 MJ22 1,5 10 12 16 MJ14 1,5 MJ16 1,5 MJ18 1,5 08 10 12 27 27 2
23、7 12 12 12 17 19 24 14,71 17,48 25,30 2016 2520 MJ27 1,5 MJ33 1,5 20 25 MJ22 1,5 MJ27 1,5 16 20 27 27 12 12 30 34 36,95 48,87 3225 MJ39 1,5 32 MJ33 1,5 25 28 13 41 69,64 a Correspondstothepipenominaloutsidediameterforthread1andthread2 b AccordingtoISO58553 c Correspondstothepipenominaloutsidediamete
24、r d Correspondstothepipereducedoutsidediameter 4 Designation EXAMPLE: Descriptionblock Identityblock UNION,REDUCER EN32450806 Numberofthisstandard Code(seetable1) NOTE:Ifnecessary,thecode I9005shallbeplacedbetweenthedescriptionblockandtheidentityblock. 5 Marking AccordingtoEN2424,styleAandfigure1 6
25、Technicalspecification AccordingtoEN3275,type IIBS EN 3245:2001 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 international level.
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