1、BRITISH STANDARD AEROSPACE SERIES BS EN 3851:2003 Pipe couplings, 60 , spherical, in titanium alloy TI-P64001 Swivel nuts, straight The European Standard EN 3851:2003 has the status of a British Standard ICS 49.080 BS EN 3851:2003 This British Standard was published under the authority of the Standa
2、rds Policy and Strategy Committee on 5 March 2003 BSI 5 March 2003 ISBN 0 580 41329 2 National foreword This British Standard is the official English language version of EN 3851:2003. The UK participation in its preparation was entrusted by Technical Committee ACE/12, Aerospace fasteners and fasteni
3、ng systems, to Subcommittee ACE/12/1, Aerospace fasteners and fastening systems (international), which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international
4、 or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to i
5、nclude all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any en
6、quiries 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 This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back
7、 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 EUROPISCHENORM EN3851 February2003 ICS49.080 Englishversion AerospaceseriesPipecouplings,60,spherical,intit
8、anium alloyTIP64001Swivelnuts,straight SriearospatialeRaccordssphriques,60,enalliage detitaneTIP64001Ecrousprisonniers,droits ThisEuropeanStandardwasapprovedbyCENon19August2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardt
9、hestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nsla
10、tion undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,N
11、orway,Portugal,SlovakRepublic,Spain,Sweden,Switzerland and UnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMe
12、mbers. Ref.No.EN3851:2003EEN3851:2003(E) 2 Contents page Foreword3 1 Scope 3 2 Normativereferences 3 3 Requiredcharacteristics .4 3.1 ConfigurationDimensionsTolerancesMasses .4 3.2 Material4 3.3 Surfacecoating . .4 4 Designation.7 5 Marking .7 6 Qualityassurance . .7EN3851:2003(E) 3 Foreword Thisdoc
13、umentEN3851:2003hasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhasreceived theapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesofAECMA,priortoits presentationtoCE
14、N. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyAugust2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby August2003. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefol
15、lowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandUnitedKingdom. 1Scope Thisstandardspecifiesthecharacteristicsof
16、straightswivelnutsforpipecouplings,60,spherical,inTIP64001, foraerospaceapplications. NOTEAssemblyinaccordancewithTR4052. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,a
17、ndthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). ISO2862, ISOsystemof
18、limitsandfitsPart2:Tablesofstandardtolerancegradesandlimitdeviationsforholes andshafts. ISO4156, StraightcylindricalinvolutesplinesMetricmodule,sidefitGeneralities,dimensionsandinspection. ISO58553, AerospaceMJthreadsPart3:Limitdimensionsforfittingsforfluidsystems . EN2000,AerospaceseriesQualityassu
19、ranceENaerospaceproductsApprovalofthequalitysystemof manufacturers. EN2424, AerospaceseriesMarkingofaerospaceproducts . EN2491, AerospaceseriesMolybdenumdisulphidedrylubricantsCoatingmethods .EN3851:2003(E) 4 EN2530, AerospaceseriesTitaniumalloyTIP63Annealed900MPa R m 1160MPaBarsD e 150mm 1 ) . TR40
20、52, AerospaceseriesPipecouplings,60,spherical,intitaniumalloyAssemblyrecommendations 2) . 3 Requiredcharacteristics 3.1 ConfigurationDimensionsTolerancesMasses SeeFigure1andTable1.Dimensionsandtolerancesareinmillimetres.Theyapplybeforelubrication. 3.2Material EN2530. 3.3Surface coating EN2491. 1) Pu
21、blishedasAECMAStandardatthedateofpublicationofthisstandard 2) PublishedasAECMATechnicalReportatthedateofpublicationofthisstandardEN3851:2003(E) 5 Key 1 Valuesapplybeforecoating Threadssurfacewillbeachievedbynormalmethodsofmanufacture 2 Removesharpedges0,1to0,4 3 Chamfer0,2to0,6 45 4 Thread 5 Pitchdi
22、ameter 6 Marking 7 Splines Figure1EN3851:2003(E) 6 Table1 Diameter code Tube nominal diameter Thread a Splines b A H13 c C 3 , 0 0 + E H13 c F 2 , 0 0 + G 3 , 0 0 + H H13 c J 2 , 0 0 + K 5 , 0 0 + L 3 , 0 0 + M Mass d 040 4 MJ10x14H5h Ext18Zx0,75mx45Rx6h 12,4 5,5 10,3 7,5 5,5 1,6 6 10,3 0,6to1 4,1 0
23、60 6 MJ14x1,54H5H Ext24Zx0,75mx45Rx6h 16,9 7,5 14,4 8 14,4 7,1 080 8 MJ16x1,54H5H Ext27Zx0,75mx45Rx6h 19,2 9,5 16,4 10 16,4 8,7 100 10 MJ18x1,54H5H Ext30Zx0,75mx45Rx6h 21,4 12 18,4 10 6,5 2,4 12,5 18,4 2,5 10,3 120 12 MJ20x1,54H5H Ext32Zx0,75mx45Rx6h 22,9 14 20,4 14,5 20,4 11,3 140 14 MJ22x1,54H5H E
24、xt35Zx0,75mx45Rx6h 25,15 16,5 22,4 17 22,4 14 160 16 MJ24x1,54H5H Ext38Zx0,75mx45Rx6h 27,4 18,5 24,4 19 24,4 3 16,2 180 18 MJ27x1,54H5H Ext32Zx1mx45Rx6h 30,6 20,5 27,4 21 27,4 20,8 200 20 MJ30x1,54H5H Ext35Zx1mx45Rx6h 33,6 22,5 30,4 23 30,4 21,8 250 25 MJ36x1,54H5H Ext41Zx1mx45Rx6h 39,6 27,5 36,4 11
25、,5 7,5 3,75 28 36,4 3,5 1,1 to 1,5 25,1 a InaccordancewithISO58553 b InaccordancewithISO4156 c ToleranceinaccordancewithISO2862 d Mass quotedinkg/1000partsEN3851:2003(E) 7 4Designation EXAMPLE: Descriptionblock Identityblock SWIVELNUT EN3851100 Numberofthisstandard Diametercode(seeTable1) NOTEIfnece
26、ssary,thecodeI9005shallbeplacedbetweenthedescriptionblockandtheidentityblock. 5Marking EN2424,styleA,asindicatedonFigure1. 6Quality assurance EN2000.BS EN 3851:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for prepari
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