1、BRITISH STANDARD AEROSPACE SERIES BS EN 4186:2001 Pipe coupling 8 30 in titanium alloy Unions, cross The European Standard EN 4186:2001 has the status of a British Standard ICS 49.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 4186:2001 This British Standard, having
2、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 13 November 2001 BSI 13 November 2001 ISBN 0 580 37362 2 National foreword This British Standard is the official English lang
3、uage version of EN 4186:2001. 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 re
4、quest 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 of
5、 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 pages
7、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 EUR
8、OPISCHENORM EN4186 October2001 ICS49.080 Englishversion AerospaceseriesPipecoupling830intitaniumalloy Unions,cross SriearospatialeSystmederaccordement830en alliagedetitaneRaccordsencroix LuftundRaumfahrtRohrverschraubung830aus TitanlegierungKreuzverschraubungen ThisEuropeanStandardwasapprovedbyCENon
9、28February2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagemen
10、tCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandard
11、sbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStass
12、art,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN4186:2001EEN4186:2001(E) Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers(AECMA). Afterinquiriesandvotescarriedoutinaccordancewiththe
13、rulesofthisAssociation,thisStandardhasreceivedthe approvaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesofAECMA,priortoitspresentation toCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorby endorsement,atthelatestbyApril2002,
14、andconflictingnationalstandardsshallbewithdrawnatthelatestbyApril2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsof thefollowingcountriesare boundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany, Greece,Iceland,Ireland,I
15、taly,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnited Kingdom. 2EN4186:2001(E) 1Scope Thisstandardspecifiesthecharacteristicsofunions,cross,forpipecouplings830,intitaniumalloy,foraerospace applications. Nominalpressure:upto28000kPa Temperaturerange: 55Cto135C 2Normativeref
16、erences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications.Thesenormative referencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.Fordatedreferences, subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropeanStanda
17、rdonlywhen incorporatedinitbyamendmentorrevision.Forundatedreferences,thelatesteditionofthepublicationreferredtoapplies (includingamendments). ISO58553, AerospaceseriesMJthreadsPart3:Limitdimensionsforfittingsforfluidsystems. EN2424, AerospaceseriesMarkingofaerospaceproducts. EN2491, Aerospaceseries
18、MolybdenumdisulphidedrylubricantsCoatingmethods. EN3274, AerospaceseriesPipecoupling830ThreadendsGeometricconfiguration. EN3275, AerospaceseriesPipecoupling830upto28000kPaDynamicbeamsealMetricseriesTechnical specification. EN3311, AerospaceseriesTitaniumalloyTIP64001AnnealedBarformachining D 150mm.
19、1) EN3312, AerospaceseriesTitaniumalloyTIP64001Grade2AnnealedForgings D e 150mm. 1) EN3314, AerospaceseriesTitaniumalloyTIP64001SolutiontreatedandagedBarformachining D 75mm. 1) EN3315, AerospaceseriesTitaniumalloyTIP64001SolutiontreatedandagedForgings D e 75mm. 1) 1 )PublishedasAECMAPrestandardatthe
20、dateofpublicationofthisstandard 3EN4186:2001(E) 3Requiredcharacteristics 3.1ConfigurationDimensionsMass Accordingtofigure1andtable1.Thevaluesapplybeforelubricating. DimensionsnotspecifiedareatmanufacturersoptionprovidedthatthequalificationandacceptancerequirementsofEN3275, typeIIaremet. 3.2Surfacero
21、ughness Accordingtofigure1,unlessotherwisespecifiedinthedesigndocumentation. 3.3Materials AccordingtoEN3311orEN3314,EN3312orEN3315. 3.4Surfacetreatment Lubrication:accordingtoEN2491,onthreadsandsealingfaces. Priortoapplicationofthelubricant,thesurfaceshallbeabrasiveblastedusingnonmetallicgrit. Filmt
22、hickness0,005mmto0,013mm. 3.5Internalsurfacefinishing Finishingshallgivearadius Rof0,3mmto1,0mmandasurfaceroughnessof0,8m.Handdeburringisnot permitted. Dimensionsinmillimetres a Thread b Areaformarking c Acrossflats s d AccordingtoEN3274,formC e R0,3to1,0 Figure1 4EN4186:2001(E) Table1 Dimensionsinm
23、illimetres Code a Thread b l s c Mass g/piece 4g6g 0,2 h13 max. 05 MJ101 16,3 8 11,04 06 MJ121,25 17,8 9 16,44 08 MJ141,5 20,8 11 25,94 10 MJ161,5 21,8 13 34,22 12 MJ181,5 23,8 15 44,26 14 MJ201,5 23,8 16 53,24 16 MJ221,5 25,8 18 70,00 18 MJ241,5 27,8 21 91,12 20 MJ271,5 27,8 24 115,22 22 MJ301,5 30
24、,8 27 148,82 25 MJ331,5 32,8 30 206,90 28 MJ361,5 34,8 34 251,08 32 MJ391,5 36,4 36 265,28 a Correspondstothepipenominaloutsidediameter. b AccordingtoISO58553. c Acrossflats 4Designation EXAMPLE NOTEIfnecessary,thecode I9005shallbeplacedbetweenthedescriptionblockandtheidentityblock. 5Marking Accordi
25、ngtoEN2424,styleAandfigure1. 6Technicalspecification AccordingtoEN3275,type II. 5BS EN 4186:2001 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
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