1、BRITISH STANDARD AEROSPACE SERIES BS EN 4557:2003 Pipe coupling 37 , spherical, in heat resisting steel Tees nipples, welded end Inch series The European Standard EN 4557:2003 has the status of a British Standard ICS 49.080 BS EN 4557:2003 This British Standard was published under the authority of t
2、he Standards Policy and Strategy Committee on 28 February 2003 BSI 28 February 2003 ISBN 0 580 41339 X National foreword This British Standard is the official English language version of EN 4557:2003. The UK participation in its preparation was entrusted to Technical Committee ACE/69, Aerospace hydr
3、aulic systems, fluids and components, 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
4、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 include all the necessary provisions of a contract. Users are r
5、esponsible 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 enquiries on the interpretation, or proposals for change, and ke
6、ep 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 9 and a back cover. The BSI copyright date displayed in this document indi
7、cates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN4557 February2003 ICS49.080 Englishversion AerospaceseriesPipecoupling37,spherical,inheatresisting steelTeesnipples,weldedendInchseries SriearospatialeS
8、ystmederaccordementsphrique, 37,enacierrsistantchaudMamelonsenTsouder Srieinch ThisEuropeanStandardwasapprovedbyCENon14September2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalterat
9、ion.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoi
10、tsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,SlovakRepublic,Spain,Sweden,S
11、witzerland and UnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN4557:2003EEN4557:2003(E) 2 C
12、ontents Foreword3 1 Scope 3 2 Normativereferences 3 3 Requiredcharacteristics .4 3.1 ConfigurationDimensionsTolerancesMasses .4 3.2 Materials4 4 Designation.9 5 Marking .9 6 Technicalspecification . 9EN4557:2003(E) 3 Foreword ThisdocumentEN4557:2003hasbeenpreparedbytheEuropeanAssociationofAerospaceM
13、anufacturers (AECMA). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhasreceived theapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesofAECMA,priortoits presentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eit
14、herbypublicationofanidenticaltextor byendorsement,atthelatestbyAugust2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby August2003. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Bel
15、gium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandUnitedKingdom. 1Scope Thisstandardspecifiesthecharacteristicsofweldedteeswithnippleforinchseriespipecouplings,37,spherical, inheat
16、resistingsteel,foraerospaceapplications. Nominalpressure:ClassDperISO6771 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedref
17、erences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). ISO3161 AerospaceUNJthreadsGeneralrequirementsandlimitdimensions. IS
18、O6771 AerospaceFluidsystemsandcomponentsPressureandtemperatureclassifications. EN2424 AerospaceseriesMarkingofaerospaceproducts. EN3363 AerospaceseriesSteelFECM38SolutiontreatedR m 485MPaSandorinvestmentcasting 1) . EN3468 AerospaceseriesSteelFEPA13Softened500 R m 700MPaForgingsD e 100mm 1) . EN3487
19、 AerospaceseriesSteelFEPA13Softened500 R m 700MPaBarsformachiningD e 100 mm 1) . 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN4557:2003(E) 4 EN4549 AerospaceseriesPipecouplinginheatresistingsteelorinheatresistingnickelalloyCouplingend, weldedDesignconfigurationInchseries. EN45
20、501 AerospaceseriesPipecouplings,37,sphericalDesignconfigurationInchseriesPart1:Male sealingends. EN4560 AerospaceseriesPipecouplings,37,spherical,upto21000kPaInchseriesTechnical specification. 3 Requiredcharacteristics 3.1 ConfigurationDimensionsTolerancesMasses SeeFigures1to3andTables1to3.Dimensio
21、nsandtolerancesareinmillimetres. Table1 Code Weldendoption 1 Weldendononeside 2 Weldendonbothsides 3.2Materials EN3363withminimumhardnessHB140orEN3468withminimumhardnessHB140orEN3487with minimumhardnessHB140EN4557:2003(E) 5 Key 1 SeeEN45501 2 Threadssurfacewillbeachievedbynormalmethodsofmanufacture
22、3 Weldingendoptioncode2 4( EperEN45501) 5 Legside 6 Runsides 73 D v i e w 8 Marking 9 Weldingendoptioncode1 Figure1ShapeformouldingorforgingpartsEN4557:2003(E) 6 Key 1 Marking 23 D v i e w 3 Ntho=G/2 NOTE1DimensionsandtolerancesgiveninFigure1areapplicabletowholemachiningparts. NOTE2Weldendoptioncode
23、1couplingsmaybewholemachiningwiththedimensionsandtolerancesgivenin Figures1and2. Figure2Shapeforwholemachiningparts (alternatemethodofmanufacture) Key 1 Style1 2 Style2 3 Style3 4( FperEN45501) Figure3ConfigurationsofdiameterBEN4557:2003(E) 7 Table2 Nominaldiameter Wall thickness oftube C b Dimensio
24、nal code a Nominaldiameter Wall thickness oftube C b Dimensional code a Weldsides Fitting side Weldsides Fitting side A0403 0,711 EN4549A004 A1006 0,711 EN4549A010 B0403 4,763 0,889 EN4549B004 B1006 9,525 0,889 EN4549B010 A0404 0,711 EN4549A004 A1008 0,711 EN4549A010 B0404 6,350 0,889 EN4549B004 B10
25、08 12,700 0,889 EN4549B010 A0406 0,711 EN4549A004 A1010 0,711 EN4549A010 B0406 6,350 9,525 0,889 EN4549B004 B1010 15,875 0,889 EN4549B010 A0504 0,711 EN4549A005 A1012 0,711 EN4549A010 B0504 6,350 0,889 EN4549B005 B1012 15,875 19,050 0,889 EN4549B010 A0505 0,711 EN4549A005 A1203 0,711 EN4549A012 B050
26、5 7,925 0,889 EN4549B005 B1203 4,763 0,889 EN4549B012 A0506 0,711 EN4549A005 A1204 0,711 EN4549A012 B0506 7,925 9,525 0,889 EN4549B005 B1204 6,350 0,889 EN4549B012 A0603 0,711 EN4549A006 A1206 0,711 EN4549A012 B0603 4,763 0,889 EN4549B006 B1206 9,525 0,889 EN4549B012 A0604 0,711 EN4549A006 A1208 0,7
27、11 EN4549A012 B0604 6,350 0,889 EN4549B006 B1208 12,700 0,889 EN4549B012 A0605 0,711 EN4549A006 A1210 0,711 EN4549A012 B0605 7,925 0,889 EN4549B006 B1210 15,875 0,889 EN4549B012 A0606 0,711 EN4549A006 A1212 0,711 EN4549A012 B0606 9,525 0,889 EN4549B006 B1212 19,050 19,050 0,889 EN4549B012 A0608 0,71
28、1 EN4549A006 A1603 0,711 EN4549A016 B0608 12,700 0,889 EN4549B006 B1603 4,763 0,889 EN4549B016 A0610 0,711 EN4549A006 A1604 0,711 EN4549A016 B0610 9,525 15,875 0,889 EN4549B006 B1604 6,350 0,889 EN4549B016 A0803 0,711 EN4549A008 A1606 0,711 EN4549A016 B0803 4,763 0,889 EN4549B008 B1606 9,525 0,889 E
29、N4549B016 A0804 0,711 EN4549A008 A1608 0,711 EN4549A016 B0804 6,350 0,889 EN4549B008 B1608 12,700 0,889 EN4549B016 A0806 0,711 EN4549A008 A1610 0,711 EN4549A016 B0806 9,525 0,889 EN4549B008 B1610 15,875 0,889 EN4549B016 A0808 0,711 EN4549A008 A1612 0,711 EN4549A016 B0808 12,700 0,889 EN4549B008 B161
30、2 19,050 0,889 EN4549B016 A0810 0,711 EN4549A008 A1616 0,711 EN4549A016 B0810 12,700 15,875 0,889 EN4549B008 B1616 25,400 25,400 0,889 EN4549B016 A1003 0,711 EN4549A010 A2012 0,711 EN4549A020 B1003 4,763 0,889 EN4549B010 B2012 31,750 19,050 0,889 EN4549B020 A1004 0,711 EN4549A010 A2403 0,711 EN4549A
31、024 B1004 15,875 6,350 0,889 EN4549B010 B2403 38,100 4,763 0,889 EN4549B024 a Thiscodecorrespondsto: tubewallthickness(A:0,711mm;B:0,889mm); nominaldiameteroftherunsidesgivenin16thofincheswithintwodigits; nominaldiameterofthelegsidegivenin16thofincheswithintwodigits. b Whenweldendoptioncodeis1,theot
32、hersideisasshownonthebottomofFigure1.EN4557:2003(E) 8 Table3 Dimensional code a Nominaldiameter Thread b A 0,25 B 0 1 , 0 - DE 0,25 G 05 , 0 25 , 0 + - H 0,25 J 0,5 K min. L 0,25 Style c Mass quoted in kg/1000 parts Weld sides Fitting side A0403 B0403 4,763 .375024UNJF3A EN4550103 21,60 1 12,10 A040
33、4 B0404 6,350 .437520UNJF3A 7,90 EN4550104 7,90 12,00 10 21,55 13,00 A0406 B0406 6,350 9,525 .562518UNJF3A 25,00 11,10 EN4550106 7,90 11,10 14,00 6,4 12 21,45 2 21,00 A0504 B0504 6,350 .437520UNJF3A 9,25 EN4550104 10 22,30 3 16,50 A0505 B0505 7,925 .500020UNJF3A 9,50 EN4550105 9,50 6,4 22,35 17,00 A
34、0506 B0506 7,925 9,525 .562518UNJF3A 28,60 11,10 EN4550106 9,50 11,10 14,00 7,9 12 22,20 2 21,50 A0603 B0603 4,763 .375024UNJF3A 7,90 EN4550103 23,15 15,90 A0604 B0604 6,350 .437520UNJF3A 9,25 EN4550104 10 23,10 17,80 A0605 B0605 7,925 .500020UNJF3A 10,80 EN4550105 23,15 3 19,60 A0606 20,20 B0606 9,
35、525 .562518UNJF3A 28,60 11,10 EN4550106 11,10 14,00 12 23,00 A0608 B0608 12,700 .750016UNJF3A 32,60 14,30 EN4550108 14,30 18,00 16 25,30 42,00 A0610 B0610 9,525 15,875 .875014UNJF3A 38,10 17,50 EN4550110 11,10 17,50 20,00 7,9 18 27,95 69,30 A0803 B0803 4,763 .375024UNJF3A 7,90 EN4550103 24,65 21,40
36、A0804 B0804 6,350 .437520UNJF3A 9,25 EN4550104 10 24,60 23,30 A0806 B0806 9,525 .562518UNJF3A 12,20 EN4550106 12 24,50 3 26,60 A0808 B0808 12,700 .750016UNJF3A 32,60 14,30 EN4550108 14,30 18,00 11,2 16 26,85 37,20 A0810 B0810 12,700 15,875 .875014UNJF3A 38,10 17,50 EN4550110 14,30 17,50 20,00 12,7 1
37、8 31,20 2 66,40 A1003 28,50 B1003 4,763 .375024UNJF3A 7,90 EN4550103 26,45 A1004 B1004 6,350 .437520UNJF3A 9,25 EN4550104 10 26,40 30,00 A1006 B1006 9,525 .562518UNJF3A 12,20 EN4550106 12 26,30 33,60 A1008 B1008 12,700 .750016UNJF3A 16,75 EN4550108 16 28,65 47,30 A1010 B1010 15,875 .875014UNJF3A 38,
38、10 17,50 EN4550110 17,50 20,00 18 31,20 56,60 A1012 B1012 15,875 19,050 1.062512UNJ3A 41,30 20,65 EN4550112 17,50 20,65 26,00 12,7 24 35,15 2 98,70 A1203 B1203 4,763 .375024UNJF3A 7,90 EN4550103 27,95 36,00 A1204 B1204 6,350 .437520UNJF3A 9,25 EN4550104 10 27,90 37,90 A1206 B1206 9,525 .562518UNJF3A
39、 12,20 EN4550106 12 27,85 41,10 A1208 B1208 12,700 .750016UNJF3A 16,75 EN4550108 16 30,15 54,50 A1210 B1210 15,875 .875014UNJF3A 19,75 EN4550110 18 35,55 3 71,50 A1212 B1212 19,050 19,050 1.062512UNJ3A 41,30 20,65 EN4550112 20,65 20,65 26,00 12,7 24 35,20 2 84,00 continuedEN4557:2003(E) 9 Table3 (co
40、ncluded) Dimensional code a Nominaldiameter Thread b A 0,25 B 0 1 , 0 - DE 0,25 G 05 , 0 25 , 0 + - H 0,25 J 0,5 K min. L 0,25 Style c Mass quoted in kg/1000 parts Weld sides Fitting side A1603 B1603 4,763 .375024UNJF3A 7,90 EN4550103 31,50 47,50 A1604 B1604 6,350 .437520UNJF3A 9,25 EN4550104 10 31,
41、45 49,40 A1606 B1606 9,525 .562518UNJF3A 12,20 EN4550106 12 31,35 52,60 A1608 B1608 12,700 .750016UNJF3A 16,75 EN4550108 16 33,20 65,30 A1610 B1610 15,875 .875014UNJF3A 19,75 EN4550110 18 35,55 77,30 A1612 B1612 19,050 1.062512UNJ3A 24,00 EN4550112 24 37,95 3 100,40 A1616 B1616 25,400 25,400 1.31251
42、2UNJ3A 41,30 27,00 EN4550116 27,00 27,00 30,00 12,7 28 39,40 2 119,40 A2012 B2012 31,750 19,050 1.062512UNJ3A 41,30 24,00 EN4550112 33,40 33,40 26,00 14,7 24 41,45 3 109,80 A2403 B2403 38,100 4,763 .375024UNJF3A 41,30 7,90 EN4550103 41,40 41,40 12,00 14,7 10 36,55 3 80,60 a Thiscodecorrespondsto: tu
43、bewallthickness(A:0,711mm;B:0,889mm); nominaldiameteroftherunsidesgivenin16thofincheswithintwodigits; nominaldiameterofthelegsidegivenin16thofincheswithintwodigits. b QuotedininchesinaccordancewithISO3161 c SeeFigure3. 4Designation EXAMPLE: Descriptionblock Identityblock TEENIPPLE EN4557A1008 2 Numb
44、erofthisstandard Dimensionalcode(seeTables2and3) Weldendcode(seeTable1) NOTEIfnecessary,thecodeI9005shallbeplacedbetweenthedescriptionblockandtheidentityblock. 5Marking AccordingtoEN2424,styleAandFigures1and2. 6 Technicalspecification AccordingtoEN4560BS EN 4557:2003 BSI 389 Chiswick High Road Londo
45、n W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make su
