BS32931960石油工業(yè)用碳素鋼管法蘭(公稱尺寸24英寸以上)規(guī)范

1、BS3293:1960BRITISHSTANDARDBS3293:1960IncorporatingAmencbnentNo.1CONFIRMEDOCTOBER1993BS3293:1960BRITISHSTANDARDBS3293:1960BS3293:1960BRITISHSTANDARDBS3293:1960SpecificationforCarbonsteelpipeflanges(Over24inchesnominalsize)ForthepetroleumindustryNOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGH

2、TLAWCooperatingorganizationsThePetroleumEquipmentIndustryStandardsCommittee,underwhosesupervisionthisBritishStandardwaspreparedconsistsorepresentativesfromthefollowingGovernmentdepartmentsandscientificandindustrialorganizations:BritishIron&SteelFederation*CouncilofBritishManufacturersofPetroleumEqui

3、pment*EngineeringEquipmentUsersAssociationFederationofBritishRubberandAlliedManufacturersInstituteofPetroleumMinistryofPowerOilCompaniesMaterialsAssociation*Theindustrialorganizationsmarkedwithanasteriskintheabovelist,togethwrwiththefollowing,weredirectlyrepresentedonthecommitteeentrustedwiththeprep

4、arationofthisBritishStandard:BritishValveManufacturersAssociationNationalAssociationofDropForgersandStampersThisBritishStandard,havingbeenapprovedbythePetroleumEquipmentIndustryStandardsCommitteeandendorsedbytheChairmanoftheEngineeringDivisionalCouncil,waspublishedundertheauthorityoftheGeneralCounci

5、lon30December1960BSI03-2000ISBN0580030660AmdNo.DateofissueComments1004August1972IndicatedbyasidelineinthemarginAmendmentsissuedsincepublicationThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferencePEE巴DraftforcommentCZ(PEE)9923BS3293:1960BS3293:1960BSI03-2000 BSI03-2000 #BRITISHST

6、ANDARDBS3293:1960ContentsCo-operatingorganizationsForewordPageInsidefrontcovernSection1General1Scope12Designationandpressure/temperatureratings13Flangefacings14Nominalsizes1Section2Materials5Materialsforflanges16Boltingmaterials1Section3DimensionsandTolerancesFlanges18Flangefacingsandgaskets29Flange

7、boltingdimensions210Spot-facingandback-facingofflanges2Section4Inspection11Inspection312Repairofdefeets3Section5Marking13Marking3Section6PreparationandDespatch14Preparation315Despatch3Table1Dimensionsofflanges.Class1504Table2Drilling,boltingandfacingdimensionsforflanges.Class1505Table3Dimensionsoffl

8、anges.Class3006Table4Drilling,boltingandfacingdimensionsforflanges.Class3007Table5Dimensionsofflanges.Class4008Table6Drilling,boltingandfacingdimensionsforflanges.Class4009Table7Dimensionsofflanges.Class60010Table8Drilling,boltingandfacingdimensionsforflanges.Class60011Table9Dimensionsofcompressedas

9、bestosfibregaskets12Table10Numbersanddimensionsoring-jointgasketsforClass300,400and600flanges13BS3293:1960BS3293:1960BSI03-2000BSI03-2000BRITISHSTANDARDBS3293:1960ForewordThisBritishStandardmakesreferencetothefollowingBritishStandards:BS1503SteelsforfiredandunfiredpressurevesselsForgings.BS1560,Stee

10、lpipeflangesandflangedfittings(nominalsizesVginto24in)forthepetroleumindustry.BS1750Boltingforthepetrolewnindustry.BS3351PipingsystemsforpetroleiunrefineriesandpetrochemicalplantsandtothefollowingAmericanStandardsAssociationStandard(obtainablethroughtheBritishStandardsInstitution):ASA.E16.20Riizg-jo

11、intgasketsa)zdgroovesforsteelpipeflanges.ThisBritishStandardisoneofaseriespreparedundertheauthorityofthePetroleumEquipmentIndustryStandardsCommitteeItiscomplementarytoBS1560,Steelpipeflangesandflangedfittings(NominalsizesM/nto24in)forthepetrolewnindustry.Inviewoftheinternationalcharacterofthepetrole

12、umindustrycarehasbeentakentoensureinterchangeabilityinpracticebetweenflangesofthesizescoveredwhichareproducedbyBritishandAmericanmanufacturwrsAtpresentthereisnonationalAmericanstandardforsteelflangesabove24innominalsizeThedimensionsgivenhereinarehowever,ingeneralconformitywiththestandardpracticeofth

13、wAmericanManufacturersStandardizationSocietyoftheValveandFittingsIndustry(SP44)andwiththosecurrentlyadoptedbytheprincipalAmericanflangemakers.AcknowledgmentismadetotheAmericanStandardsAssociation,theAmericanSocietyforTestingMaterialsandtotheAmericanManufacturersStandardizationSocietyoftheValveandFit

14、tingsIndustryfordatause.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsoacontractUsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligationsSummaryofpagesThisdocumentcomprisesafrontcover,aninsidefron

15、tcover,pages1andii.pages1to13andabackcover.Thisstandardhasbeenupdated(seecopyrightdate)andmayhavehadamendmentsincorporatedThiswillbeindicatedintheamendmenttableontheinsidefrontcover.BS3293:1960BS3293:1960BSI03-2000 #BSI03-2000 BRITISHSTANDARDBS3293:19601BoltingforthepetroleumindustrySection1.General

16、ScopeThisBritishStandardisamaterialanddimensionalstandardonlyandappliestoforgedcarbonsteelslip-onandweldingneckflangesofnominalsizes26inandlarger,foruseinthepetroleumindustry.Drillingboltingfacingandthicknessdimensionsareapplicablealsotointegralendflangesofvalveandfittings.Fourclassesofflangesarepro

17、videdfornamelyClasses150.300?400and600Thestandarddoesnotincludepressure/temperatureratings:theflangedesignationsquotedareforidentificationpurposesonly.DesignationandpressuretemperatureratingsTofacilitateorderingandtoensureinterchangeabilityflangesinthisstandardaredesignatedasClasses150.300.400and600

18、.Theseclassdesignations,howeverdonotimplyspecificpressure/temperatureratingsinthesamemannerasflangesinaccordancewithBS1560.UsersshallthereforesatisfythemselvesthattheflangesselectedareadequatefortheintendeddutyWhereitisrequiredtousetheflangesmthisstandardattemperaturesbelow20Freferenceshouldbemadeto

19、BS3351.FlangefacingsForClass150flanges,raisedfacingsonlyarespecifiedForClasses300.400and600flanges,bothraisedfacingsandring-jointfacingsarespeci&edandthepurchasershallspecifywhenordering,whichtypeoffacingisrequired.TheVjginhighfacingistheregulartypeofraisedfacingforflangesoClasses150and300.andthe1/4

20、inhighfacingistheregulartypeofraisedfacingforflangesofClasses400and600.NominalsizesThenominalsizeofaflangeasshowninthetablesisthesameasthenominalpipesizeSection2.MaterialsMaterialsforflangesFlangesshallbecarbonsteelforgingstothefollowingspecifi.cationfulldetailsofwhicharecontainedinBS1503BritishStan

21、dardComparableA.S.T.MStandardBS1503-161Grade32ClassAorB.A105GradeIIMaterialtoBS1503-161Grade28ClassAorB(AS.TM.A105.GradeI)maybesuppliedifspecifiedbythepurchaserBoltingmaterialsAllboltingmaterialshallcomplywithBS17501.Forpressuresandtemperaturesabove275psiand450Fboltsshallbeofalloysteelinconformitywi

22、thPart1oftheabovestandardandnutsshallbeocarbonoralloysteelinconformitywithPart2.Forpressuresandtemperaturesuptoandincluding275psiand450FcarbonsteelboltsandnutscomplyingwithPart3oftheabovestandardmaybeused.Section3.DimensionsandtolerancesFlangesFlangedimensionsFlangedimensionsshallconformtothosegiven

23、inTable1.Table3.Table5andTable7.InnocaseregardlessofthetypeoffacingprovidedandthetolerancesreferredtoinClause7b),shalltheminimumthicknessofaflange,asspecifiedinthetableslistedabovebereducedinordertoprovideadequateheightforaraisedfacingoradequatedepthforaringgroove,exceptwhereaClass150oraClass300flan

24、geisprovidedwitha応inraisedfacingwhentheheightofthefacingisincludedintheminimumflangethicknessspecifiedTolerancesonflangedimensiorts.Thefollowingarethetolerancespermittedonflangedimensions:i)Slip-ontueldi)zgflaizges(Table1.Table3.Table5andTable7).OnflangeboreDimensionBj+Vjgin0inOnflangeDimensionC+3/1

25、6inthickness_QinBS3293:1960BS3293:19609BSI03-20009BSI03-2000BRITISHSTANDARDBS3293:1960OnoverallDimensionYjlengththrough(Table1)hubDimensionY(Table3.Table5.Table7)OnflangeboreDimensionE?+“8m-16mOnflangeDimensionC+%6inthickness0inOnoverallDimensionYglengththrough(Table1)iVginhubDimensionY(Table3.Table

26、5.Table7)li)Welch)2gnecbflanges(Table1.Table3Table5andTable7).DimensionAOutsidediameterofweldingendofhub(Table1)DimensionA2(Table3.Table5,Table7)+即32in一32maInnocase,regardlessofthetolerancespermittedonflangebore(B2)andoutsidehubdiameter(AandAp.shallthethicknessoftheweldingendofawelding-neckflangebel

27、essthan872percentofthenominalthicknessofthepipetowhichitistobeattachedFlangefacingsandgasketsFlangefacingdimensionsFlangefacingdimensionsshallconformtothosegiveninTable2.Table4.Table6andTable8.RaisedfacingsshallbefinishedinaccordancewiththerequirementsofBSI9601Ring-jointgroovesshallbemachinedtruewit

28、hthefaceandconcentricwiththeboltcircleandtheboreofthwflanges.Groovesshallbefinishedsmoothandshallbefreefromridgesandchattermarks.TolerancesonflangefacingdimensionsThefollowingarethetolerancespermittedonflangefacingdimensions:i)Raisedfacings(Table2,Table4Table6andTable8).OnoutsideDimensionR!/64indiam

29、eterofraisedface土V8inTable8).OnpitchdiameterofgrooveDimensionP0005inOnwidthofgrooveDimensionF0008inOndepthoDimensionE+”64mgroove0inOn23flankangleogroove1/2。li)Ring-jointfacings(Table4.Table6andGasketdimensionsDimensionsofcompressedasbestosfibregasketsforusewithraisedfacingsaregiveninTable9.Dimension

30、sofring-jointgasketsaregiveninTable10.Tolerancesongasketdimensions.Thefollowingarethetolerancespermittedongasketdimensions:i)Compressedasbestosfibregaskets(Table9).Tolerancesonthesegasketsarenotspecifiedli)Ring-jointgaskets(Table10)ExtractedfromASAStdB16.20.gasketsa)tdgroovesforsteelpipeflanges(obta

31、inablefromtheBritishStandardsInstitution)OnaveragepitchDimensionP0.007mdiameterofringOnwidthoringDimensionA0.008mOnheightofringDimensionHa1/64in.OnwidthoflatDimensionC0.008mOncornerradiusDimensionR54mOn23flank土V2angleofringaAplustoleranceof%inchonheightispermittedprovidedthatthevariationintheheighto

32、fanygivenringdoesnotexceedl/mehthroughoutitsentirecircumference.FlangeboltingdimensionsThenumberofboIts.theirsizeandthwboltcirclediameterforeachclassandsizeofflangeshallbeasgiveninTable2.Table4.Table6andTable8.Boltholesshallbepitchedevenlyaroundtheboltcircle.Spot-facingandback-facingofflangesFlanges

33、neednotbespot-facedorback-facedprovidedthattheirbacksareparallel,within1.totheirfacesandthefilletsoftheirhubsdonotinterferewiththefullbearingofthefasteningnutsBS3293:1960BS3293:1960 #BSI03-2000BSI03-2000 BRITISHSTANDARDBS3293:1960Whenspot-facingisrequireditsdiametershallnotbelessthanthedimensionacro

34、ssthecornersoftheappropriatenutplusVginchWhenaspot-facingcutsintothefilletofaflangeitsdiametershallnotexceedthedimensionacrossthecornersofthenutbymorethan3/16inchWhenaELangeisback-facedthefilletmaybereducedbutnoteliminatedentirelyAsharpcorneratthejunctionofthwELangeanditshubshallnotbepermittedThespe

35、cifiedminimumthicknessofanyflangewhetherornotitisspot-facedorback-facedshallnotbeexceededbymorethanthetolerancepermittedunderClause7,norshalltheprocessofspot-facingorback-facingreduceitsthicknessatanypointtolessthanthespecifiedminimum.Section4.InspectionInspectionThepurchaserorhisrepresentativeshall

36、havefreeaccess,atallreasonabletunestothosepartsofthemanufacturersworksengageduponhiscontractandshallbeatlibertytoinspect,atanystageofmanufacturethematerialscoveredbythiscontractHeshallbeatlibertytorejectanymaterialwhichdoesnotcomplywiththerequirementsofthisstandardNOTEThisstandarddoesnotmakeprovisio

37、nforthepressuretestingoflooseflangesThesemaybetestedafterattachmenttopipeorequipment.ThetestpressurewillthendependontherequirementsoftheCodetowhichthepipeorequipmenthasbeenfabricatedRepairofdefectsDefectswhichdonotimpairthestrengthofaflangemaybeweldedbyaprocedureapprovedbythepurchaserTheyshallbeclea

38、nedouttosoundmetalbeforeweldingandshallbesubmittedtothepurchasersmspectorforapprovalinthiscondition,afterwhichtheymaybeweldedifthemspectorsoagrees.Suchweldsneednotbehea11reatedunlessrequiredbythwinspector.Whentheweldingofdefectsispermittedtheweldingrodshallbesuchastoproduceaweldhavingcharactenstacss

39、imilartotheparentmetal.Section5.MarkingMarkingThefollowingmarkingsarerequiredonflangescoveredbythisstandard:ThemanufacturersnameortrademarkBS3293Theword*Steel.NominalpipesizeininchesOnflangesprovidedwithring-jointfacings,theletterRfoUowedbytheappropriateringnumber,thismarkingbeinglocatedontheflangee

40、dge.Section6.PreparationanddespatchPreparationPaintingofinishedflangesshallbeoptionaltothemanufacturerunlessotherwisespecifiedbythepurchaserMachinedsurfacesshallbewellcoveredwithanapprovedruscompositionDespatchFlangesshallbefastenedtogetherinsuchamannerthattheyarepairedandnoflangefacingsremainexpose

41、dExposedfacingsofsingleflangesshallbeprotectedovertheirentiresurfacewithasuitableclose-fittingprotectorsecurelyattachedatnotlessthanfourpointsThetypeofprotectorandmethodofattachmentshallbeapprovedbythepurchaserOthermethodsofpreparationfordespatchshallbesubjecttoagreementbetweenthepurchaserandthemanu

42、facturerBS3293:1960BS3293:1960 BSI03-2000BSI03-2000 BRITISHSTANDARDBS3293:1960Welding-necktypeTable1Dimensionsofflanges,class15012346678910NomiwilpipemeOntsidediAiueterofmm“OlUckM688Ofmin.COutsidettijuueterofHrfeendofhubXOutsidedixiueterofbboaHendofhub:WeldingneckALengththrcnghhubFilletra.diu8RFlxn“

43、boreSiy-onXWeldinhhWeldinf-neckRininmininininmmin2634%228263%5%26%2836%2%30%28他5%28%3038%2%32%3031/,5%30%3241%2%35323%5%32%Tobe3443%2%37343%5%34%specifiedby36462%39%363%5%36%thepurchaser3848%2%41%383%5%38%4050%叫43%403%5町%40%42532%464245%42%4455%2%484445%44%4657%2%50464%5%46%4859%2%52%484%5%48%NOTE1F

44、orrelevantdrillingboltingandfacingdimensionsseeTable2NOTE2FortolerancespermittedonflangedimensionsseeClause7NOTE3Thehubsofslip-onweldingflangesmaybecylindricaloralternatively,mayhaveadraftofnotmorethan7ontheoutsidesurfaceforforgingpurposes.NOTE4EachsketchattheheadofthistabledepictsaflangewithaV16inr

45、aisedfacingThedimensionsC.Yj.andY2.therefore,includetheheightofthefacing(seeClause7).IfanyothertypeoffacingisrequireditsheightshallbeadditionaltotheminimumflangethicknessTable2Drilling,bolting：andfacingdimensionsforflanges,clasrillingRaisedfaceLengthofstud-bolts(seeNote3)Lengthofheadedb

46、olts(seenote3)NominalDiameterofNumberofDiameterofDiameterofOutsidepipesizeboltcircleboltholesboltsboltholesdiameterDRininininininin26313/4241”4291/46%53/428342814%311/4763036281V4l3/s333/4763238V2281”2l5/s353/473/46%34402321V2l5/8訊86%36433/4321”2l5/s401/486叫38451/4321”2%42%86叫40471/4361244%8%742491/

47、2361”2l5/s478“244513/440iv21%498x/27叫46533/440125183/471/24856441嘰%53V283/47%NOTE1Forrelevantflangedimensions,seeTable1.NOTE2ForthetolerancepermittedondimensionR.seeClause8NOTE3Theendsofallstud-boltsshallberoundedorchamferedStud-boltlengthsinColumn7donotincludetheheightsoftheseendsThelengthsforheade

48、dboltsinColumn8includeendheights.BS3293:1960BS3293:1960 BSI03-2000BSI03-2000 #BRITISHSTANDARDBS3293:1960BS3293:1960BS3293:1960 #BSI03-2000BSI03-2000 BRITISHSTANDARDBS3293:1960Weldmgoecktype13466789toNoiuinAlOutsideilixiueteroffUnfeThicknessofOutsideitixiueterlareendofhubOutsideAixineteramxllendofhub

49、LengththrovLhhubFUnfeborepiesizeWeldinneckSlip-onu&dwelttin-neckSlip,onWelin-neckOCXAAYRBxBmininininininminin26283038%40%433%3%3%28%30】厶32%27%29%3%26%28%30%7%8%26%28%30%Tobespecifiedbythe32343645%4刊503%44%34%36%3933%35%37%32%34%36%8%9%9町%32%34%36%purchaserTable3Dimensionsofflanges,class300NOTE1Forre

50、levantdrillingboltingandfacingdimensionsseeTable4NOTE2FortolerancespermittedonflangedimensionsseeClause7.NOTE3Thehubtaperonslip-onflangesmaybecontinuousasshowninthefigureorbeacompoundtaper,atthemanufacturersoption.NOTE4Eachsketchattheheadofthistabledepictsaflangewithax/16mraisedfacingThedimensionsCa

51、ndYtherefore,includetheheightofthefacing(seeClause7).Ifanyothertypeoffacingisrequireditsheightshallbeadditionaltotheminimumflangethickness.BS3293:1960BS3293:1960 BSI03-2000BSI03-2000 #BRITISHSTANDARDBS3293:1960BS3293:1960BS3293:1960 #BSI03-2000BSI03-2000 #BRITISHSTANDARDBS3293:1960rDRaisedfacetypewc

52、lding-neckandslip-onTable4Drilling,bolting：andfacingdimensionsforflanges,class300BS3293:1960BS3293:1960 BSI03-2000BSI03-2000 BRITISHSTANDARDBS3293:196013466789101112131416Fcin蓉dixnendoM8Len0hoAJvagWJDLJWWRin蓉Joint(seeNote國bolts(seeNote爭NominallkcepipesizeDvuneterNrnuberDixiueterDixineterOutsidePitch

53、GrooveDeythofDixiueterofRin*RxisetlRin蓉.jointRitiseARin蓉JointfboltofboltsofboltsofboltdijuiieterAiiuiieterwittligrooveE.raiseilnumberfkeefiicecircleholesHeightofportionK&cinL.(seeNote3)(SeeDBPFnote3)ininininininininininminin2634嗎281%1%29%29%町31%R939%118%9*22837281%1%31x431*2%33%R9410%呼9103039%281%1%

54、33%33%叫町36%R951112%9均10%3241x6281%23636%38%R9611%1310%11%3443均281%23838%40%R971213%10 x/:ll1/：36463222%40%40%43R9812%13%10%12NOTE1Forrelevantflangedimensions,seeTable3.NOTE2ForthetolerancespermittedonflangefacingdimensionsseeClause8NOTE3TheheightLofaring-jointfacingisequaltothedepthEofthelinggrooveb

55、utisnotsubjecttothetolerancesonERaisedportionorfull-facemaybesuppliedunlessspecifiedintheoiderNOTE4Theendsofallstud-boltsshallberoundedorchamferedStud-boltlengthsmColumns12and13donotincludetheheightsoftheseends.ThelengthsforheadedboltsinColumns14and15includeendheights.Stip-ontypeX1Welding-necktypeTa

56、ble5Dimensionsofflanges,class4001347810NoiuiwdLOutsideThickBessOutsideOutsiitediiuiietersuiAUendofLengththroughFla.neborefifesizeAijcniterooffbuiediameterburhubhmbFilletntdiusfbmaemin.enlofhubSlip-onWelIin-neckStip-onjlmiIStip-onWeldinneckweldm-BeckOCXAAYBBxinininininininininin2638%3%28%沁266%26%2840

57、%3%30%29%28%8%*228%3043432%31%30%8%*230%Tobespecifiedbythepurchasei3245%4%3533%32%9%32%3447町4%3他35%34%9比%34%36504%39%37%36%9%36%NOTE1Forrelevantdrilling,boltingandfacingdimensionsseeTable6.NOTE2Fortolerancespermittedonflangedimensions,seeClause7NOTE3Thehubtaperonslip-onflangesmaybecontinuousasshowni

58、nthefigureorbeacompoundtaper,atthemanufacturersoption.Raisedfacetypewelding-neckandtlip-oaTable6Drilling,bolting：andfacingdimensionsforflanges,class4001340678910111213DriDin蓉FcinttuuensionsLen01iostml-boits(seeNote國NominalpiyesizeRxiseA&ceRing-jointDiameterofboltcircleDNumberofboltsDiameterofliolifl

59、DiameterofboltholesOutsideitijLii&eterBPitchAuuneterPGroovewidthFDepthofgrooveEHeightof&culL(SeeNote3)DixiueterofportionK(SeeNote8)RinnumberRaised&ceRinjointininininininininininin2634町281%1%29%29%叫31%R9311%12x/22837281%o31均31均%33%R941213%3039%28o2%33%33%36*8R9512%143241*728o2%3636叫%38%R9613%14%3443均

60、28o2%3838%40%R97/?15364632o2%40%40%43R9813%15%NOTE1Forrelevantflangedimensions,seeTable5.NOTE2ForthetolerancespermittedonflangefacingdimensionsseeClause8NOTE3TheheightLofaring-jointfacingisequaltothedepthEoftheringgroovebutisnotsubjecttothetolerancesonE.Raisedportionorfull-facemaybesuppliedunlessspe