1、BRITISH STANDARD AEROSPACE SERIES BS EN 3244:2001 Pipe coupling 8 30 in titanium alloy Unions, double ended The European Standard EN 3244:2001 has the status of a British Standard ICS 49.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 3244:2001 This British Standard,
2、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 14 November 2001 BSI 14 November 2001 ISBN 0 580 37115 8 National foreword This British Standard is the official Engli
3、sh language version of EN 3244:2001. 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 obtaine
4、d 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 using the “Find” faci
5、lity 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 obliga
6、tions. 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
7、 pages 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 NORMEEUROPE
8、NNE EUROPISCHENORM EN3244 October2001 ICS49.080 Englishversion AerospaceseriesPipecoupling830intitaniumalloy Unions,doubleended SriearospatialeSystmederaccordement830en alliagedetitaneRaccordsdroits LuftundRaumfahrtRohrverschraubung830aus TitanlegierungGeradeVerschraubungen ThisEuropeanStandardwasap
9、provedbyCENon6January2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtot
10、heManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenatio
11、nalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre
12、:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3244:2001EEN3244:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). Afterinquiriesandvotescarriedoutinacc
13、ordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelate
14、stbyApril2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyApril2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Ice
15、land,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN3244:2001(E) 3 1 Scope Thisstandardspecifiesthecharacteristicsofstrraightunions,forpipecouplings8 30,intitaniumalloy,for aerospaceapplications. Nominalpressure:upto28000kPa Temperaturerange:55 Ct
16、o135 C 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsappl
17、yto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferences,the latesteditionofthepublicationreferredtoapplies(includingamendments). ISO58553 AerospaceMJthreadsPart3:Limitdimensionsforfittingsforfluidsystems EN2424 AerospaceseriesMarkingofaerospaceproducts EN2491 Aeros
18、paceseriesMolybdenumdisulphidedrylubricantsCoatingmethods EN3274 AerospaceseriesPipecoupling8 30ThreadendGeometricconfiguration EN3275 AerospaceseriesPipecoupling8 30upto28000kPaDynamicbeamseal MetricseriesTechnicalspecification EN3311 AerospaceseriesTitaniumalloyTIP64001AnnealedBarformachining D 15
19、0mm 1) EN3314 AerospaceseriesTitaniumalloyTIP64001SolutiontreatedandagedBarfor machining D 75mm 1) 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN3244:2001(E) 4 3 Requiredcharacteristics 3.1 ConfigurationDimensionsMass Accordingtofigure1andtable1.Thevaluesapplybeforelubricating.
20、 Dimensionsnotspecifiedareatthemanufacturersoptionprovidedthatthequalificationandacceptance requirementsofEN3275,type II aremet. 3.2 Surfaceroughness Accordingtofigure1,unlessotherwisespecifiedinthedesigndocumentation 3.3 Materials AccordingtoEN3311orEN3314 3.4 Surfacetreatment Lubrication:according
21、toEN2491,onthreadsandsealingfaces. Priortoapplicationofthelubricantthesurfaceshallbeabrasiveblastedusingnonmetallicgrit. Filmthickness:0,005mmto0,013mm Dimensionsinmillimetres a Areaformarking b Acrossflats s c AccordingtoEN3274,formB d Thread Figure1EN3244:2001(E) 5 Table1 Dimensionsinmillimetres T
22、hread b ls Mass g/piece Code a 4g6g 0,3 h13 max. 05 06 08 MJ10 1 MJ12 1,25 MJ14 1,5 19 22,5 26 11 13 16 5,14 8,35 12,42 10 12 14 16 18 MJ16 1,5 MJ18 1,5 MJ20 1,5 MJ22 1,5 MJ24 1,5 27 27 27 27 27 17 19 22 24 27 15,16 17,91 24,10 27,51 31,87 20 22 25 28 MJ27 1,5 MJ30 1,5 MJ33 1,5 MJ36 1,5 27 27 27 27
23、30 32 34 41 38,08 42,70 52,41 63,85 32 MJ39 1,5 28 41 70,01 a Correspondstothepipenominaloutsidediameter b AccordingtoISO58553 4 Designation EXAMPLE: Descriptionblock Identityblock UNION,STRAIGHT EN324405 Numberofthisstandard Code(seetable1) NOTE:Ifnecessary,thecode I9005shallbeplacedbetweenthedescr
24、iptionblockandtheidentityblock. 5 Marking AccordingtoEN2424,styleAandfigure1 6 Technicalspecification AccordingtoEN3275,type IIBS EN 3244:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards.
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