1、BRITISH STANDARD AEROSPACE SERIES BS EN 4191:2001 Pipe coupling 8 30 in titanium alloy Tees, reduced, bulkhead branch, long The European Standard EN 4191:2001 has the status of a British Standard ICS 49.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 4191:2001 This Br
2、itish Standard, 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 37609 5 National foreword This British Standard is th
3、e official English language version of EN 4191:2001. 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 committe
4、e can be obtained 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
5、 the “Find” 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 f
6、rom legal obligations. 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 th
7、e UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 8, 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. Dat
8、e CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN4191 October2001 ICS49.080 Englishversion AerospaceseriesPipecoupling830intitaniumalloyTees, reduced,bulkheadbranch,long SriearospatialeSystmederaccordement830en alliagedetitaneRaccordsent,rduitspourtraversede cloisonenpied,typelong LuftundR
9、aumfahrtRohrverschraubung830aus TitanlegierungTVerschraubungen,reduziert,seitlicher AuslassalsSchottanschluss,langeAusfhrung ThisEuropeanStandardwasapprovedbyCENon19April2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthe
10、statusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslati
11、on undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,S
12、pain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN4191:2001EEN4191:
13、2001(E) Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers(AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhasreceivedthe approvaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesofAECMA,priorto
14、itspresentation toCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorby endorsement,atthelatestbyApril2002,andconflictingnationalstandardsshallbewithdrawnatthelatestbyApril2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorga
15、nizationsof thefollowingcountriesare boundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany, Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnited Kingdom. 2EN4191:2001(E) 1Scope Thisstandardspecifiesthecha
16、racteristicsoftees,reduced,bulkheadbranch,long,forpipecouplings830,intitanium alloy,foraerospaceapplications. Nominalpressure:upto28000kPa Temperaturerange: 55Cto135C 2Normativereferences ThisStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications.Thesenormativereferences arecit
17、edattheappropriateplacesinthetextandthepublicationsarelistedhereafter.Fordatedreferences,subsequent amendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitby amendmentorrevision.Forundatedreferences,thelatesteditionofthepublicationreferredtoapplies(includin
18、g amendments). ISO58553, AerospaceseriesMJthreadsPart3:Limitdimensionsforfittingsforfluidsystems. EN2424, AerospaceseriesMarkingofaerospaceproducts. EN2491, AerospaceseriesMolybdenumdisulphidedrylubricantsCoatingmethods. EN3267, AerospaceseriesWashers,bulkhead,intitaniumalloy. EN3274, Aerospaceserie
19、sPipecoupling830ThreadendsGeometricconfiguration. EN3275, AerospaceseriesPipecoupling830upto28000kPaDynamicbeamsealMetricseriesTechnical specification. EN3311, AerospaceseriesTitaniumalloyTIP64001AnnealedBarformachining D 150mm. 1) EN3312, AerospaceseriesTitaniumalloyTIP64001Grade2AnnealedForgings D
20、 e 150mm. 1) EN3314, AerospaceseriesTitaniumalloyTIP64001SolutiontreatedandagedBarformachining D 75mm. 1) EN3315, AerospaceseriesTitaniumalloyTIP64001SolutiontreatedandagedForgings D e 75mm. 1) 3Requiredcharacteristics 3.1ConfigurationDimensionsMass Accordingtofigures1and2andtables1and2.Thevaluesapp
21、lybeforelubricating. Dimensionsnotspecifiedareatmanufacturersoptionprovidedthatthequalificationandacceptancerequirements ofEN3275,type IIaremet. Connection1shallbe connection2. 1 )PublishedasAECMAPrestandardatthedateofpublicationofthisstandard 3EN4191:2001(E) 3.2Surfaceroughness Accordingtofigure1,u
22、nlessotherwisespecifiedinthedesigndocumentation. 3.3Materials AccordingtoEN3311orEN3314,EN3312orEN3315. 3.4Surfacetreatment Lubrication:accordingtoEN2491,onthreadsandsealingfaces. Priortoapplicationofthelubricant,thesurfaceshallbeabrasiveblastedusingnonmetallicgrit. Filmthickness0,005mmto0,013mm. 3.
23、5Internalsurfacefinishing FinishingshallgivearadiusRof0,3mmto1,0mmandasurfaceroughnessof0,8m.Handdeburringisnot permitted. Dimensionsinmillimetres a Connection1 f Thread b Connection2 g Areaformarking c Connection3 h Acrossflats s d AccordingtoEN3274,formC i R0,3to1,0 e AccordingtoEN3274,formH Figur
24、e1 4EN4191:2001(E) Table1 Dimensionsinmillimetres Code a Thread b l 1 c,d l 2 c l 3 c,d l 4 c,e r s f 4g6g 0,2 0,4 0,2 0 0 ,1 h13 05 MJ101 16,3 11,0 1,2 13,8 1,0 8 06 MJ121,25 17,8 12,0 1,4 16,0 1,0 9 08 MJ141,5 20,8 14,0 1,3 17,8 1,0 11 10 MJ161,5 21,8 14,0 1,7 18,8 1,2 13 12 MJ181,5 23,8 15,0 2,1
25、20,8 1,2 15 14 MJ201,5 23,8 14,5 2,2 21,8 1,2 16 16 MJ221,5 25,8 15,5 2,6 23,8 1,2 18 18 MJ241,5 27,8 16,5 3,0 25,8 1,2 21 20 MJ271,5 27,8 15,0 3,5 27,8 1,5 24 22 MJ301,5 30,8 16,0 4,1 28,8 1,5 27 25 MJ331,5 32,8 17,0 4,4 30,8 1,5 30 28 MJ361,5 34,8 17,5 5,1 33,8 1,5 34 32 MJ391,5 36,4 18,0 5,6 39,8
26、 1,5 36 a Correspondstothepipenominaloutsidediameter. b AccordingtoISO58553. c Thesedimensionsaredefinedbythelargestconnection. d Horizontaldrilldepthdimension= l 1 + l 3 . e Verticaldrilldepthdimension= l 5 + l 4 ; l 5 accordingtoEN3274,formH. f Acrossflats 3.6Mass Accordingtofigure2andtable2. a Co
27、nnection1 b Connection2 c Connection3 EXAMPLE1EN4191142205 Figure2 5EN4191:2001(E) EXAMPLE2 Connection2 Connection1 Connection3 (isinthisexample thelargestconnection) EN4191142205 : 128,1g = Code22 114,4g + + Code14 8,8g + + Code05 4,9g Firstpickthemassforthelargestconnectionoutoftheleftpartoftable2
28、.Determineinthesamelineunder code14themassforconnection1andundercode05themassforconnection3. Addthethreevaluestoreceivethetotalcouplingmass. Table2 Massforconnections1and3ingrams Code Massfor connection2 ingrams 05 06 08 10 12 14 16 18 20 22 25 28 32 05 10,6 1,6 06 16,7 1,8 2,3 08 25,1 2,0 2,7 3,7 1
29、0 30,0 2,2 2,9 3,8 4,4 12 38,7 2,4 3,1 4,2 4,8 5,4 14 61,5 2,6 3,3 4,3 4,9 5,5 6,5 16 66,8 2,9 3,7 4,6 5,3 5,9 7,1 7,7 18 76,1 3,3 4,0 5,1 5,7 6,4 7,6 8,3 8,8 20 95,8 3,4 4,1 5,0 5,6 6,3 7,3 7,9 8,3 10,4 22 114,4 4,9 5,6 6,7 7,2 7,8 8,8 9,4 9,7 11,8 12,7 25 153,4 5,5 6,2 7,3 7,8 8,3 9,5 10,1 10,5 12
30、,5 13,6 16,0 28 184,2 5,5 6,2 7,3 7,8 8,5 9,7 10,3 10,7 13,0 14,1 16,6 17,8 32 230,6 4,6 5,4 6,5 7,1 7,8 9,0 9,7 10,2 12,7 14,0 16,6 18,0 19,8 6EN4191:2001(E) 4Designation EXAMPLE NOTEIfnecessary,thecode I9005shallbeplacedbetweenthedescriptionblockandtheidentityblock. 5Marking AccordingtoEN2424,styl
31、eAandfigure1. 6Technicalspecification AccordingtoEN3275,type II . 7EN4191:2001(E) 7Installationdetails Seefigure3. Dimensionsinmillimetres Key 1 Bulkhead 2 WasheraccordingtoEN3267 a Griplength b Thread c Thread+0,5 Figure3 8BS EN 4191:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standar
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