1、BRITISH STANDARD AEROSPACE SERIES BS EN 3690:2001 Pipe coupling 8 30 in titanium alloy Unions, bulkhead, long The European Standard EN 3690:2001 has the status of a British Standard ICS 49.025.01 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 3690:2001 This British Stand
2、ard, 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 12 November 2001 BSI 12 November 2001 ISBN 0 580 37196 4 National foreword This British Standard is the official
3、English language version of EN 3690:2001. 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 obt
4、ained 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”
5、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 from legal ob
6、ligations. 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. Summary of pages Thi
7、s 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 CommentsEUROPEANSTANDARD
8、 NORMEEUROPENNE EUROPISCHENORM EN3690 October2001 ICS49.080 Englishversion AerospaceseriesPipecoupling830intitaniumalloy Unions,bulkhead,long SriearospatialeSystmederaccordement830en alliagedetitaneRaccordsdroits,traversedecloison, typelong LuftundRaumfahrtRohrverschraubung830aus TitanlegierungGerad
9、eSchottverschraubung,lang ThisEuropeanStandardwasapprovedbyCENon20January2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcerning
10、s uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesame
11、statusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMAL
12、ISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3690:2001EEN3690:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufact
13、urers (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhasreceived theapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesofAECMA,priorto itspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypu
14、blicationofanidentical textorbyendorsement,atthelatestbyApril2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyApril2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czec
15、hRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN3690:2001(E) 3 1 Scope Thisstandardspecifiesthecharacteristicsforbulkheadunionsforpipecouplings8 30,intitaniumalloy,for aerospaceapplications.
16、Nominalpressure:upto28000kPa Temperaturerange:55 Cto+135 C 2 Normativereferences Thisstandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications.Thesenormative referencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.Fordated references,subsequentamendme
17、ntstoorrevisionsofanyofthesepublicationsapplytothisstandardonly whenincorporatedinitbyamendmentorrevision.Forundatedreferences,thelatesteditionofthepublication referredtoapplies(includingamendments). ISO58553 AerospaceseriesMJthreadsPart3:Limitdimensionsforfittingsforfluidsystems EN2424 Aerospaceser
18、iesMarkingofaerospaceproducts EN2491 AerospaceseriesMolybdenumdisulphidedrylubricantsCoatingmethods EN3267 AerospaceseriesWashers,bulkhead,intitaniumalloy EN3274 AerospaceseriesPipecoupling8 30ThreadendsGeometricconfiguration EN3275 AerospaceseriesPipecoupling8 30upto28000kPaDynamicbeamseal Metricse
19、riesTechnicalspecification EN3311 AerospaceseriesTitaniumalloyTIP64001AnnealedBarformachining D 150mm 1) EN3314 AerospaceseriesTitaniumalloyTIP64001SolutiontreatedandagedBarfor machining D 75mm 1) 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN3690:2001(E) 4 3 Requiredcharacteri
20、stics 3.1 ConfigurationDimensionsMass Accordingtofigure1andtable1.Thevaluesapplybeforelubricating. Dimensionsnotspecifiedareatthemanufacturersoptionprovidedthatthequalificationandacceptance requirementsofEN3275,type IIaremet. 3.2 Surfaceroughness Accordingtofigure1,unlessotherwisespecifiedinthedesig
21、ndocumentation 3.3 Materials AccordingtoEN3311orEN3314 3.4 Surfacetreatment Lubrication:accordingtoEN2491,onthreadsandsealingfaces. Priortoapplicationofthelubricantthesurfaceshallbeabrasiveblastedusingnonmetallicgrit. Filmthickness:0,005mmto0,013mm Dimensionsinmillimetres a Areaformarking b Acrossfl
22、ats s c AccordingtoEN3274,formB d AccordingtoEN3274,formJ e Thread Figure1EN3690:2001(E) 5 Table1 Dimensionsinmillimetres Code a Thread b l 1 l 2 s Mass g/piece 4g6g 0,3 0,2 h13 max. 05 06 08 MJ10x1 MJ12x1,25 MJ14x1,5 33,6 38,0 43,6 14,1 16,0 18,6 14 17 19 11,39 17,91 25,04 10 12 14 16 18 MJ16x1,5 M
23、J18x1,5 MJ20x1,5 MJ22x1,5 MJ24x1,5 44,6 46,6 46,6 46,6 46,6 18,6 19,6 19,6 19,6 19,6 22 24 27 30 32 31,56 39,27 50,51 62,89 65,76 20 22 25 28 MJ27x1,5 MJ30x1,5 MJ33x1,5 MJ36x1,5 46,6 46,6 46,6 49,1 19,6 19,6 19,6 20,6 34 36 41 46 76,98 83,69 109,43 134,47 32 MJ39x1,5 49,1 20,6 50 153,58 a Correspond
24、stothepipenominaloutsidediameter b AccordingtoISO58553 4 Designation EXAMPLE: Descriptionblock Identitiy block UNION,BULKHEAD EN369005 Numberofthisstandard Code(seetable1) NOTE:Ifnecessary,thecode I9005shallbeplacedbetweenthedescriptionblockandtheidentityblock. 5 Marking AccordingtoEN2424,styleAandf
25、igure1 6 Technicalspecification AccordingtoEN3275,typeIIEN3690:2001(E) 6 7 Installationdetails Seefigure2 Dimensionsinmillimetres Key 1 Bulkhead 2 WasheraccordingtoEN3267 a Griplength b Thread c Thread+0,5 Figure2BS EN 3690:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institut
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