BS EN 3246-2001 Aerospace series - Pipe coupling 8 30 in titanium alloy - Unions bulkhead《航空航天系列 钛合金830 管连接件 、闷头活接头》.pdf

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1、BRITISH STANDARD AEROSPACE SERIES BS EN 3246:2001 Pipe coupling 8 30 in titanium alloy Unions, bulkhead The European Standard EN 3246:2001 has the status of a British Standard ICS 49.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 3246:2001 This British Standard, havi

2、ng 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 37122 0 National foreword This British Standard is the official English l

3、anguage version of EN 3246:2001. 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 obligation

6、s. 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 pag

7、es 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 CommentsEUROPEANST

8、ANDARD NORMEEUROPENNE EUROPISCHENORM EN3246 October2001 ICS49.080 Englishversion AerospaceseriesPipecoupling830intitaniumalloy Unions,bulkhead SriearospatialeSystmederaccordement830en alliagedetitaneRaccordsdroitspourtraversedecloison LuftundRaumfahrtRohrverschraubung830aus TitanlegierungGeradeSchot

9、tverschraubungen ThisEuropeanStandardwasapprovedbyCENon6January2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnatio

10、nal standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasth

11、e official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EU

12、ROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3246:2001EEN3246:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AEC

13、MA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationo

14、fanidentical textorbyendorsement,atthelatestbyApril2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyApril2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,

15、Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN3246:2001(E) 3 1 Scope Thisstandardspecifiesthecharacteristicsofstraight,bulkheadunionsforpipecouplings8 30,intitanium alloy,foraerospaceapplications. No

16、minalpressure:upto28000kPa Temperaturerange:55 Cto135 C 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentam

17、endmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferences,the latesteditionofthepublicationreferredtoapplies(includingamendments). ISO58553 AerospaceMJthreadsPart3:Limitdimensionsforfittingsforfluidsystems EN2424 Aeros

18、paceseriesMarkingofaerospaceproducts EN2491 AerospaceseriesMolybdenumdisulphidedrylubricantsCoatingmethods EN3267 AerospaceseriesWashers,bulkhead,intitaniumalloy EN3274 AerospaceseriesPipecoupling8 30ThreadendGeometricconfiguration EN3275 AerospaceseriesPipecoupling8 30upto28000kPaDynamicbeamseal Me

19、tricseriesTechnicalspecification EN3311 AerospaceseriesTitaniumalloyTIP64001AnnealedBarformachining D 150mm 1) EN3314 AerospaceseriesTitaniumalloyTIP64001Solutiontreatedandaged Barformachining D 75mm 1) 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN3246:2001(E) 4 3 Requiredchar

20、acteristics 3.1 ConfigurationDimensionsMass Accordingtofigure1andtable1.Thevaluesapplybeforelubricating. Dimensionsnotspecifiedareatthemanufacturersoptionprovidedthatthequalificationandacceptance requirementsofEN3275,type IIaremet. 3.2 Surfaceroughness Accordingtofigure1,unlessotherwisespecifiedinth

21、edesigndocumentation . 3.3 Materials AccordingtoEN3311orEN3314 3.4 Surfacetreatment Lubrication:accordingtoEN2491,onthreadsandsealingfaces. Priortoapplicationofthelubricantthesurfaceshallbeabrasiveblastedusingnonmetallicgrit. Filmthickness:0,005mmto0,013mm Dimensionsinmillimetres a Areaformarking b

22、Acrossflats s c AccordingtoEN3274,formB d AccordingtoEN3274,formE e Thread Figure1EN3246:2001(E) 5 Table1 Dimensionsinmillimetres Thraed b l 1 c l 2 s Mass g/piece Code a 4g6g 0,2 h13 max. 05 06 08 MJ10 1 MJ12 1,25 MJ14 1,5 29,6 34,0 39,6 14,1 16,0 18,6 14 17 19 10,31 16,53 23,31 10 12 14 16 18 MJ16

23、 1,5 MJ18 1,5 MJ20 1,5 MJ22 1,5 MJ24 1,5 40,6 42,6 42,6 42,6 42,6 18,6 19,6 19,6 19,6 19,6 22 24 27 30 32 29,49 36,82 47,30 59,23 61,87 20 22 25 28 MJ27 1,5 MJ30 1,5 MJ33 1,5 MJ36 1,5 42,6 42,6 42,6 45,1 19,6 19,6 19,6 20,6 34 36 41 46 70,33 78,28 102,47 126,88 32 MJ39 1,5 45,1 20,6 50 145,00 a Corr

24、espondstothepipenominaloutsidediameter b AccordingtoISO58553 c Accordingto l2andEN3274,formE 4 Designation EXAMPLE: Descriptionblock Identityblock UNION,BULKHEAD EN324605 Numberofthisstandard Code(seetable1) NOTE:Ifnecessary,thecode I9005shallbeplacedbetweenthedescriptionblockandtheidentityblock. 5

25、Marking AccordingtoEN2424,styleAandfigure1 6 Technicalspecification AccordingtoEN3275,type IIEN3246:2001(E) 6 7 Installationdetails Seefigure2 Dimensionsinmillimetres Key 1 Bulkhead 2 WasheraccordingtoEN3267 a Griplength b Thread c Thread+0,5 Figure2blankBS EN 3246:2001 BSI 389 Chiswick High Road Lo

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