1、BRITISH STANDARD AEROSPACE SERIES BS EN 4233:2001 Pipe coupling 8 30 in titanium alloy Unions, welded, threaded The European Standard EN 4233:2001 has the status of a British Standard ICS 49.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 4233:2001 This British Standa
2、rd, 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 13 November 2001 BSI 13 November 2001 ISBN 0 580 37348 7 National foreword This British Standard is the official E
3、nglish language version of EN 4233:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/69, Aerospace Hydraulic Systems, Fluids and Components, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its s
4、ecretary. 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 the BSI Stand
5、ards 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. aid enquirers
6、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 This document
7、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 CommentsEUROPEANSTANDARD NORMEEUROP
8、ENNE EUROPISCHENORM EN4233 October2001 ICS49.080 Englishversion AerospaceseriesPipecoupling830intitaniumalloy Unions,welded,threaded SriearospatialeSystmederaccordement830en alliagedetitaneRaccordsdroits,souds,filets LuftundRaumfahrtRohrverschraubung830aus TitanlegierungGeradeVerschraubungenzum Ansc
9、hweien ThisEuropeanStandardwasapprovedbyCENon1January2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standa
10、rdsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. 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 EUROPISCHESK
12、OMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN4233:2001EEN4233:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). After
13、inquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentic
14、al textorbyendorsement,atthelatestbyApril2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyApril2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, F
15、inland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN4233:2001(E) 3 1 Scope Thisstandardspecifiesthecharacteristicsofunions,weldedend,threadedforpipecouplings8 30,in titaniumalloy,foraerospaceapplications. Nominalpre
16、ssure:upto28000kPa Temperaturerange:55 Cto135 C 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendments
17、toorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferences,the latesteditionofthepublicationreferredtoapplies(includingamendments). ISO58553 AerospaceMJthreadsPart3:Limitdimensionsforfittingsforfluidsystems EN2424 Aerospaceseri
18、esMarkingofaerospaceproducts EN2491 AerospaceseriesMolybdenumdisulphidedrylubricantsCoatingmethods EN2656 AerospaceseriesPipecouplingCouplingends,weldedGeometricconfiguration EN3274 AerospaceseriesPipecoupling8 30ThreadendsGeometricconfigurations EN3275 AerospaceseriesPipecoupling8 30upto28000kPaDyn
19、amicbeamseal MetricseriesTechnicalspecification EN 3311 AerospaceseriesTitaniumalloyTIP64001AnnealedBarformachining D 150mm 1) EN3314 AerospaceseriesTitaniumalloyTIP64001SolutiontreatedandagedBarfor machining D 75mm 1) 3 Requiredcharacteristics 3.1 ConfigurationDimensionsMass Accordingtofigure1and2a
20、ndtable1.Thevaluesapplybeforelubricating. Dimensionsnotspecifiedareatthemanufacturersoptionprovidedthatthequalificationandacceptance requirementsofEN3275,type IIaremet. 3.2 Surfaceroughness Accordingtofigure1andfigure2,unlessotherwisespecifiedinthedesigndocumentation 1) PublishedasAECMAPrestandardat
21、thedateofpublicationofthisstandardEN4233:2001(E) 4 3.3 Materials AccordingtoEN3311orEN3314 3.4 Surfacetreatment Weldendwithoutsurfacetreatment,min.10mm(outsideandborediameter). Lubrication:accordingtoEN2491,onthreadandsealingface. Priortoapplicationofthelubricantthesurfaceshallbeabrasiveblastedusing
22、nonmetallicgrit. Filmthickness0,005mmto0,013mm Dimensionsinmillimetres Dimensionsinmillimetres a Areaformarking b Acrossflats s c AccordingtoEN2656 d AccordingtoEN3274,formB e Thread NOTEPipeinternaldiameter d1inaccordancewith EN2656diameter d1 inaccordancewithEN3274 Figure1 a Areaformarking b Acros
23、sflats s c AccordingtoEN2656 d AccordingtoEN3274,formB e Thread NOTEPipeinternaldiameter d1inaccordancewith EN2656diameter d1 inaccordancewithEN3274 Figure2EN4233:2001(E) 5 Table1 Dimensionsinmillimetres Thread c l 1 l 2 l 3 rs Mass g/piece Code a b 4g6g 0,3 0,2 0,5 +0,1 0 h13 max. 0504 3,70 0505 MJ
24、10 1 24 2,5 11 3,82 0605 MJ12 1,25 25 14 13 5,32 0805 8,74 0806 MJ14 1,5 28 16 8,86 1005 11,11 1008 MJ16 1,5 17 11,68 1205 13,24 1206 13,47 1209 MJ18 1,5 29 13 15 19 14,14 1405 17,07 1408 17,96 1410 MJ20 1,5 30 14 16 22 18,49 1605 19,67 1606 20,05 1610 21,58 1612 MJ22 1,5 32 16 18 3 24 22,19 1805 23
25、,47 1807 24,43 1810 25,80 1813 MJ24 1,5 34 18 20 27 27,10 2006 28,76 2007 29,32 2012 32,63 2015 MJ27 1,5 30 35,14 2208 33,95 2212 37,80 2216 MJ30 1,5 35 19 21 32 41,49 2508 39,73 2509 40,43 2514 43,86 2518 MJ33 1,5 22 34 48,17 2808 50,77 2810 52,41 2816 57,70 2820 MJ36 1,5 36 20 23 62,50 3210 52,26
26、3212 MJ39 1,5 38 22 25 4 41 54,18 a Correspondstothepipenominaloutsidediameterandwallthickness b RelationshipbetweencodeandpressureclassificationaccordingtoEN2656 c AccordingtoISO58553EN4233:2001(E) 6 4 Designation EXAMPLE: Descriptionblock Identityblock UNION, THREADED EN42330806 Numberofthisstanda
27、rd Code(seetable1) NOTE:Ifnecessary,thecode I9005shallbeplacedbetweenthedescriptionblockandtheidentityblock. 5 Marking AccordingtoEN2424,styleA,andfigures1and2. 6 Technicalspecification AccordingtoEN3275,type IIBS EN 4233:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institutio
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