1、BRITISH STANDARD AEROSPACE SERIES BS EN 4561:2003 Pipe coupling, welded, in heat resisting steel Elbow 90 Inch series The European Standard EN 4561:2003 has the status of a British Standard ICS 49.080 BS EN 4561:2003 This British Standard was published under the authority of the Standards Policy and
2、 Strategy Committee on 3 March 2003 BSI 3 March 2003 ISBN 0 580 41343 8 National foreword This British Standard is the official English language version of EN 4561:2003. The UK participation in its preparation was entrusted to Technical Committee ACE/69, Aerospace hydraulic systems, fluids and compo
3、nents, which has the responsibility to: A list of organizations represented on this committee 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 Catalogue unde
4、r 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 include all the necessary provisions of a contract. Users are responsible for its correct appl
5、ication. 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 enquiries on the interpretation, or proposals for change, and keep the UK interests informed; m
6、onitor 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 cover. The BSI copyright date displayed in this document indicates when the document was las
7、t issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN4561 February2003 ICS49.080 Englishversion AerospaceseriesPipecoupling,welded,inheatresistingsteel Elbow90Inchseries SriearospatialeSystmederaccordementsouder, enacierrsistantchaudCou
8、des90Srieinch ThisEuropeanStandardwasapprovedbyCENon14September2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnatio
9、nal standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasth
10、e official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,SlovakRepublic,Spain,Sweden,Switzerland and UnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION
11、 COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN4561:2003EEN4561:2003(E) 2 Contents Foreword3 1 Scope 3 2 Normativereferences 3 3 Requiredcha
12、racteristics .4 3.1 ConfigurationDimensionsTolerancesMasses .4 3.2 Materials4 4 Designation.7 5 Marking .7 6 Technicalspecification . 7EN4561:2003(E) 3 Foreword ThisdocumentEN4561:2003hasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). Afterenquiriesandvotescarriedoutinaccordanc
13、ewiththerulesofthisAssociation,thisStandardhasreceived theapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesofAECMA,priortoits presentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyAu
14、gust2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby August2003. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary
15、,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandUnitedKingdom. 1Scope Thisstandardspecifiesthecharacteristicsofweldedelbows90forinchseriespipecouplings,inheatresisting steel,foraerospaceapplications. Nominalpressure:ClassDperISO6771 2 Normativ
16、ereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean
17、Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). ISO6771 AerospaceFluidsystemsandcomponentsPressureandtemperatureclassifications. EN2424 AerospaceseriesMarkingofaerospaceproducts. EN3363 Aerospaceseries
18、SteelFECM38SolutiontreatedR m 485MPaSandorinvestmentcasting 1) . EN3468 AerospaceseriesSteelFEPA13Softened500 R m 700MPaForgingsD e 100mm 1) . EN3487 AerospaceseriesSteelFEPA13Softened500 R m 700MPaBarsformachiningD e 100 mm 1) . EN4549 AerospaceseriesPipecoupling,inheatresistingsteelorinheatresisti
19、ngnickelalloyCoupling end,weldedDesignconfigurationInchseries. 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN4561:2003(E) 4 EN4560 AerospaceseriesPipecouplings,37,spherical,upto21000kPaInchseriesTechnical specification. 3 Requiredcharacteristics 3.1 ConfigurationDimensionsToler
20、ancesMasses SeeFigures1and2andTables1and2.Dimensionsandtolerancesareinmillimetres. Table1 Code Weldendoption 1 weldendononeside 2 weldendonbothsides 3.2Materials EN3363orEN3468orEN3487EN4561:2003(E) 5 Key 1 Weldendoptioncode2 2 WeldendperD 3 Marking 4 WallthicknessWinthisarea 53 D v i e w 6 Weldendp
21、erC 7 Weldendoptioncode1 NOTEGeometricaltolerancesgiveninFigure2areapplicabletomoldingorforgingparts. Figure1ShapeformouldingorforgingpartsEN4561:2003(E) 6 Key 1 Marking 23 D v i e w 3 Ntho=G/2 NOTE1DimensionsandtolerancesgiveninFigure1areapplicabletowholemachiningparts. NOTE2Weldendoptioncode1coupl
22、ingsmaybewholemachiningwiththedimensionsandtolerancesgivenin Figures1and2. Figure2Shapeforwholemachiningparts(alternatemethodofmanufacture) Table2 Dimensional code a Nominal diameter Wall thickness oftube A 0,25 CD b E 25 , 0 0 + F 25 , 0 0 + G 05 , 0 25 , 0 + - H 0,25 L 0,25 U 0,5 W min. Mass quote
23、d inkg /1000 parts A04 0,711 12,50 EN4549A004 EN4549A004 12,80 12,80 7,90 6,00 12,50 4,10 1,7 5,20 B04 6,350 0,889 EN4549B004 EN4549B004 4,55 A05 0,711 EN4549A005 EN4549A005 4,85 B05 7,924 0,889 14,30 EN4549B005 EN4549B005 9,50 5,30 7,70 A06 0,711 EN4549A006 EN4549A006 5,35 B06 9,525 0,889 14,30 EN4
24、549B006 EN4549B006 14,60 14,60 11,10 7,00 14,30 5,80 9,40 A08 0,711 EN4549A008 EN4549A008 6,60 B08 12,700 0,889 16,30 EN4549B008 EN4549B008 16,60 16,60 14,30 9,00 16,30 7,10 1,8 15,40 A10 0,711 EN4549A010 EN4549A010 7,90 B10 15,875 0,889 19,05 EN4549B010 EN4549B010 19,30 19,30 17,50 10,00 19,05 8,40
25、 2,1 23,40 A12 0,711 EN4549A012 EN4549A012 9,90 B12 19,050 0,889 20,65 EN4549B012 EN4549B012 20,65 13,00 10,40 31,40 A16 0,711 20,65 EN4549A016 EN4549A016 21,00 21,00 27,00 15,00 20,65 13,20 2,5 46,40 B16 25,400 0,889 EN4549B016 EN4549B016 13,80 a Thiscodecorrespondsto: tubewallthickness(A:0,711mm;B
26、:0,889mm); nominaldiametergivenin16thofincheswithintwodigits. b Whenweldendoptioncodeis1,theothersideisasshownonthebottomofFigure1.EN4561:2003(E) 7 4Designation EXAMPLE: Descriptionblock Identityblock ELBOW EN4561A10 1 Numberofthisstandard Dimensionalcode(seeTable2) Weldendcode(seeTable1) NOTEIfnece
27、ssary,thecodeI9005shallbeplacedbetweenthedescriptionblockandtheidentityblock. 5Marking AccordingtoEN2424,styleAandFigures1and2. 6 Technicalspecification AccordingtoEN4560BS EN 4561:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body re
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