1、BRITISH STANDARD AEROSPACE SERIES BS EN 3266:2001 Pipe coupling in titanium alloy Bulkhead nut The European Standard EN 3266:2001 has the status of a British Standard. ICS 49.030.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 3266:2001 This British Standard, having be
2、en prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee and comes into effect on 9 November 2001 BSI 9 November 2001 ISBN 0 580 37133 6 National foreword This British Standard is the off
3、icial English language version of EN 3266:2001. 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
4、 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 the
5、“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 from l
6、egal 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 the UK.
7、 Summary of pages 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 Com
8、mentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3266 October2001 ICS49.030.30 Englishversion AerospaceseriesPipecouplingintitaniumalloyBulkheadnut SriearospatialeSystmederaccordementenalliage detitaneEcroupourtraversedecloison LuftundRaumfahrtRohrverschraubungaus TitanlegierungMutterfrSchottan
9、schlu ThisEuropeanStandardwasapprovedbyCENon6January2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standar
10、dsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official
11、versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKO
12、MITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3266:2001EEN3266:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). Afteri
13、nquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentica
14、l textorbyendorsement,atthelatestbyApril2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyApril2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Fi
15、nland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN3266:2001(E) 3 1 Scope Thisstandardspecifiesthecharacteristicsofbulkheadnutsforpipecouplings,intitaniumalloy,for aerospaceapplications. 2 Normativereferences ThisEu
16、ropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywheninc
17、orporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies(includingamendments). ISO58553 AerospaceMJthreadsPart3:Limitdimensionsforfittingsforfluidsystems ISO8788 AerospaceNuts,metricTolerancesofformandposition EN2000 AerospaceseriesQualityassuranceENa
18、erospaceproductsApprovalofthequality systemofmanufacturers EN2424 AerospaceseriesMarkingofaerospaceproducts EN3311 AerospaceseriesTitaniumalloyTIP64001AnnealedBarformachining D 150mm 1) EN3314 AerospaceseriesTitaniumalloyTIP64001SolutiontreatedandagedBarfor machining D 75mm 1) 1) PublishedasAECMAPre
19、standardatthedateofpublicationofthisstandardEN3266:2001(E) 4 3 Requiredcharacteristics 3.1 ConfigurationDimensionsMass Accordingtofigure1andtable1 3.2 Surfaceroughness Accordingtofigure1 3.3 Material AccordingtoEN3311orEN3314 Dimensionsinmillimetres a Areaformarking b Twoholes d 1 (optional) c 90to1
20、20applicabletobothfaces d Thread e 0,3to0,6applicabletobothfaces f Fromeitherface Figure1EN3266:2001(E) 5 Table1 Dimensionsinmillimetres Code a Thread b d l emst c v 1 v 2 Mass g/piece 4H5H H13 min. h14 h13 0,2 min. max. 05 MJ10 1 1 15,51 5 14 0,36 5,9 2,1 2,34 06 MJ12 1,25 18,90 6 17 7,2 2,6 4,10 0
21、8 MJ14 1,5 21,10 7 19 8,2 3,1 4,80 10 MJ16 1,5 24,49 8 22 9,7 3,6 8,69 12 MJ18 1,5 26,75 24 0,43 10,8 10,34 14 MJ20 1,5 30,14 27 12,5 13,19 16 MJ22 1,5 33,53 30 13,9 16,64 18 MJ24 1,5 35,72 32 14,9 17,81 20 MJ27 1,5 37,72 34 15,8 18,03 22 MJ30 1,5 39,98 36 0,52 16,8 18,04 25 MJ33 1,5 45,63 8,5 41 19
22、,6 3,85 25,22 28 MJ36 1,5 51,28 46 22,4 40,39 32 MJ39 1,5 1,5 55,80 10,0 50 0,62 24,6 4,6 47,60 a Correspondstothepipenominaloutsidediameter b AccordingtoISO58553 c AccordingtoISO8788 4 Designation EXAMPLE: Descriptionblock Identityblock BULKHEADNUT EN3266H 05 Numberofthisstandard Holecode(seetable2
23、) Code(seetable1) NOTE:Ifnecessary,thecode I9005shallbeplacedbetweenthedescriptionblockandtheidentityblock. Table2 Option Code Lockwirehole H Nohole (hyphen)EN3266:2001(E) 6 5 Marking AccordingtoEN2424,styleAandfigure1 6 Qualityassurance AccordingtoEN2000BS EN 3266:2001 BSI 389 Chiswick High Road Lo
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