1、BRITISH STANDARD AEROSPACE SERIES BS EN 3273:2001 Pipe coupling 8 30 Dynamic beam seal end for elbows, tees and crosses Geometric configuration The European Standard EN 3273:2001 has the status of a British Standard. ICS 49.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS
2、 EN 3273:2001 This British 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 and comes into effect on 9 November 2001 BSI 9 November 2001 ISBN 0 580 37117 4 Nati
3、onal foreword This British Standard is the official English language version of EN 3273:2001. 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 o
4、rganizations 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 Standards Catalogue under the section entitled “International Sta
5、ndards Correspondence Index”, or by using 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 Stan
6、dard 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; monitor related international and Europe
7、an 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 5 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publi
8、cation Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3273 October2001 ICS49.080 Englishversion AerospaceseriesPipecoupling830Dynamicbeamseal endforelbows,teesandcrossesGeometricconfiguration SriearospatialeSystmederaccordement830Joint lvre,pourraccordscouds,raccordsentetracc
9、ords encroixConfigurationgomtrique LuftundRaumfahrtRohrverschraubung830Dichtlippe frWinkel,TundKreuzverschraubungen Konstruktionsblatt ThisEuropeanStandardwasapprovedbyCENon29December2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope a
10、n Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemad
11、ebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norw
12、ay,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3273
13、:2001EEN3273:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountrie
14、sof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyApril2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyApril2002. AccordingtotheCEN/CENELECInternalRegulations,thenati
15、onalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN3273:2001(E) 3 1 Scope Thisstanda
16、rdspecifiesthedimensionsofthedynamicbeamsealendforelbows,teesandcrossesforpipe couplings8 30,nominalpressureupto28000kPa,foraerospaceapplications. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappr
17、opriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies(includingamendments
18、). EN3274 AerospaceseriesPipecoupling8 30ThreadendGeometricconfiguration EN3275 AerospaceseriesPipecoupling8 30upto28000kPaDynamicbeamseal MetricseriesTechnicalspecificationEN3273:2001(E) 4 3 Requiredcharacteristics 3.1 ConfigurationDimensions Accordingtofigure1andtable1 Dimensionsnotspecifiedareatt
19、hemanufacturersoptionprovidedthatthequalificationandacceptance requirementsofEN3275,typeIIaremet. 3.2 Surfaceroughness Accordingtofigure1,unlessotherwisespecifiedinthedesigndocumentation Dimensionsinmillimetres a DiameteraccordingtoEN3274 Figure1EN3273:2001(E) 5 Table1 Dimensionsinmillimetres d 2 d
20、3 d 4 lr 1 r 2 Code a 0 0,1 0 0,1 0,1 0 0,1 0,1 04 4,6 3,7 6,6 3,4 05 6,6 4,7 8,6 3,5 06 8,3 5,5 10,3 3,6 08 10,0 7,2 12,0 3,7 10 12,0 9,2 14,0 3,8 1,0 0,25 12 13,5 11,1 16,0 3,9 14 15,5 11,9 18,0 4,0 16 17,5 13,8 20,0 4,2 1,2 0,5 18 19,0 15,8 22,0 20 22,0 18,5 25,0 22 25,0 21,3 28,0 25 28,0 22,9 31
21、,0 28 31,0 26,1 34,0 4,3 32 34,0 28,8 37,0 4,5 1,5 0,75 a Correspondstothepipenominaloutsidediameter 4 Designation EXAMPLE: EN327305 Numberofthisstandard Code(seetable1)BS EN 3273:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body res
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