BS32931960石油工业用碳素钢管法兰公称尺寸24英寸以上规范

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1、IncorporatingAmencbnentNo.1CONFIRMEDOCTOBER1993SpecificationforCarbonsteelpipeflanges(Over24inchesnominalsize)ForthepetroleumindustryNOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWCooperatingorganizationsThePetroleumEquipmentIndustryStandardsCommittee,underwhosesupervisionthisBritishSta

2、ndardwaspreparedconsistsorepresentativesfromthefollowingGovernmentdepartmentsandscientificandindustrialorganizations:BritishIron&SteelFederation*CouncilofBritishManufacturersofPetroleumEquipment*EngineeringEquipmentUsersAssociationFederationofBritishRubberandAlliedManufacturersInstituteofPetroleumMi

3、nistryofPowerOilCompaniesMaterialsAssociation*Theindustrialorganizationsmarkedwithanasteriskintheabovelist,togethwrwiththefollowing,weredirectlyrepresentedonthecommitteeentrustedwiththepreparationofthisBritishStandard:BritishValveManufacturersAssociationNationalAssociationofDropForgersandStampersThi

4、sBritishStandard,havingbeenapprovedbythePetroleumEquipmentIndustryStandardsCommitteeandendorsedbytheChairmanoftheEngineeringDivisionalCouncil,waspublishedundertheauthorityoftheGeneralCouncilon30December1960BSI03-2000ISBN0580030660AmdNo.DateofissueComments1004August1972Indicatedbyasidelineinthemargin

5、AmendmentsissuedsincepublicationThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferencePEE巴DraftforcommentCZ(PEE)9923BS3293:1960ContentsCo-operatingorganizationsForewordPageInsidefrontcovernSection1General1Scope12Designationandpressure/temperatureratings13Flangefacings14Nominalsize

6、s1Section2Materials5Materialsforflanges16Boltingmaterials1Section3DimensionsandTolerancesFlanges18Flangefacingsandgaskets29Flangeboltingdimensions210Spot-facingandback-facingofflanges2Section4Inspection11Inspection312Repairofdefeets3Section5Marking13Marking3Section6PreparationandDespatch14Preparatio

7、n315Despatch3Table1Dimensionsofflanges.Class1504Table2Drilling,boltingandfacingdimensionsforflanges.Class1505Table3Dimensionsofflanges.Class3006Table4Drilling,boltingandfacingdimensionsforflanges.Class3007Table5Dimensionsofflanges.Class4008Table6Drilling,boltingandfacingdimensionsforflanges.Class400

8、9Table7Dimensionsofflanges.Class60010Table8Drilling,boltingandfacingdimensionsforflanges.Class60011Table9Dimensionsofcompressedasbestosfibregaskets12Table10Numbersanddimensionsoring-jointgasketsforClass300,400and600flanges13BSI03-20003BS3293:1960ForewordThisBritishStandardmakesreferencetothefollowin

9、gBritishStandards:BS1503SteelsforfiredandunfiredpressurevesselsForgings.BS1560,Steelpipeflangesandflangedfittings(nominalsizesVginto24in)forthepetroleumindustry.BS1750Boltingforthepetrolewnindustry.BS3351PipingsystemsforpetroleiunrefineriesandpetrochemicalplantsandtothefollowingAmericanStandardsAsso

10、ciationStandard(obtainablethroughtheBritishStandardsInstitution):ASA.E16.20Riizg-jointgasketsa)zdgroovesforsteelpipeflanges.ThisBritishStandardisoneofaseriespreparedundertheauthorityofthePetroleumEquipmentIndustryStandardsCommitteeItiscomplementarytoBS1560,Steelpipeflangesandflangedfittings(Nominals

11、izesM/nto24in)forthepetrolewnindustry.InviewoftheinternationalcharacterofthepetroleumindustrycarehasbeentakentoensureinterchangeabilityinpracticebetweenflangesofthesizescoveredwhichareproducedbyBritishandAmericanmanufacturwrsAtpresentthereisnonationalAmericanstandardforsteelflangesabove24innominalsi

12、zeThedimensionsgivenhereinarehowever,ingeneralconformitywiththestandardpracticeofthwAmericanManufacturersStandardizationSocietyoftheValveandFittingsIndustry(SP44)andwiththosecurrentlyadoptedbytheprincipalAmericanflangemakers.AcknowledgmentismadetotheAmericanStandardsAssociation,theAmericanSocietyfor

13、TestingMaterialsandtotheAmericanManufacturersStandardizationSocietyoftheValveandFittingsIndustryfordatause.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsoacontractUsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmu

14、nityfromlegalobligationsSummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pages1andii.pages1to13andabackcover.Thisstandardhasbeenupdated(seecopyrightdate)andmayhavehadamendmentsincorporatedThiswillbeindicatedintheamendmenttableontheinsidefrontcover.BSI03-2000BS3293:19601Boltingforthe

15、petroleumindustrySection1.General1 ScopeThisBritishStandardisamaterialanddimensionalstandardonlyandappliestoforgedcarbonsteelslip-onandweldingneckflangesofnominalsizes26inandlarger,foruseinthepetroleumindustry.Drillingboltingfacingandthicknessdimensionsareapplicablealsotointegralendflangesofvalveand

16、fittings.FourclassesofflangesareprovidedfornamelyClasses150.300?400and600Thestandarddoesnotincludepressure/temperatureratings:theflangedesignationsquotedareforidentificationpurposesonly.2 DesignationandpressuretemperatureratingsTofacilitateorderingandtoensureinterchangeabilityflangesinthisstandardar

17、edesignatedasClasses150.300.400and600.Theseclassdesignations,howeverdonotimplyspecificpressure/temperatureratingsinthesamemannerasflangesinaccordancewithBS1560.UsersshallthereforesatisfythemselvesthattheflangesselectedareadequatefortheintendeddutyWhereitisrequiredtousetheflangesmthisstandardattemper

18、aturesbelow20FreferenceshouldbemadetoBS3351.3 FlangefacingsForClass150flanges,raisedfacingsonlyarespecifiedForClasses300.400and600flanges,bothraisedfacingsandring-jointfacingsarespeci&edandthepurchasershallspecifywhenordering,whichtypeoffacingisrequired.TheVjginhighfacingistheregulartypeofraisedfaci

19、ngforflangesoClasses150and300.andthe1/4inhighfacingistheregulartypeofraisedfacingforflangesofClasses400and600.4 NominalsizesThenominalsizeofaflangeasshowninthetablesisthesameasthenominalpipesizeSection2.Materials5 MaterialsforflangesFlangesshallbecarbonsteelforgingstothefollowingspecifi.cationfullde

20、tailsofwhicharecontainedinBS1503BritishStandardComparableA.S.T.MStandardBS1503-161Grade32ClassAorB.A105GradeIIMaterialtoBS1503-161Grade28ClassAorB(AS.TM.A105.GradeI)maybesuppliedifspecifiedbythepurchaser6 BoltingmaterialsAllboltingmaterialshallcomplywithBS17501.Forpressuresandtemperaturesabove275psi

21、and450FboltsshallbeofalloysteelinconformitywithPart1oftheabovestandardandnutsshallbeocarbonoralloysteelinconformitywithPart2.Forpressuresandtemperaturesuptoandincluding275psiand450FcarbonsteelboltsandnutscomplyingwithPart3oftheabovestandardmaybeused.Section3.Dimensionsandtolerances7 Flangesa) Flange

22、dimensionsFlangedimensionsshallconformtothosegiveninTable1.Table3.Table5andTable7.InnocaseregardlessofthetypeoffacingprovidedandthetolerancesreferredtoinClause7b),shalltheminimumthicknessofaflange,asspecifiedinthetableslistedabovebereducedinordertoprovideadequateheightforaraisedfacingoradequatedepth

23、foraringgroove,exceptwhereaClass150oraClass300flangeisprovidedwitha応inraisedfacingwhentheheightofthefacingisincludedintheminimumflangethicknessspecifiedb) Tolerancesonflangedimensiorts.Thefollowingarethetolerancespermittedonflangedimensions:i)Slip-ontueldi)zgflaizges(Table1.Table3.Table5andTable7).O

24、nflangeboreDimensionBj+Vjgin0inOnflangeDimensionC+3/16inthickness_QinBSI03-20001BS3293:1960OnoverallDimensionYjlengththrough(Table1)hubDimensionY(Table3.Table5.Table7)OnflangeboreDimensionE?+“8m-16mOnflangeDimensionC+%6inthickness0inOnoverallDimensionYglengththrough(Table1)iVginhubDimensionY(Table3.

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

26、gebelessthan872percentofthenominalthicknessofthepipetowhichitistobeattached8 Flangefacingsandgasketsa) FlangefacingdimensionsFlangefacingdimensionsshallconformtothosegiveninTable2.Table4.Table6andTable8.RaisedfacingsshallbefinishedinaccordancewiththerequirementsofBSI9601Ring-jointgroovesshallbemachi

27、nedtruewiththefaceandconcentricwiththeboltcircleandtheboreofthwflanges.Groovesshallbefinishedsmoothandshallbefreefromridgesandchattermarks.b) TolerancesonflangefacingdimensionsThefollowingarethetolerancespermittedonflangefacingdimensions:i)Raisedfacings(Table2,Table4Table6andTable8).OnoutsideDimensi

28、onR!/64indiameterofraisedface土V8inTable8).OnpitchdiameterofgrooveDimensionP0005inOnwidthofgrooveDimensionF0008inOndepthoDimensionE+”64mgroove0inOn23flankangleogroove1/2。li)Ring-jointfacings(Table4.Table6andc) GasketdimensionsDimensionsofcompressedasbestosfibregasketsforusewithraisedfacingsaregivenin

29、Table9.Dimensionsofring-jointgasketsaregiveninTable10.d) Tolerancesongasketdimensions.Thefollowingarethetolerancespermittedongasketdimensions:i)Compressedasbestosfibregaskets(Table9).Tolerancesonthesegasketsarenotspecifiedli)Ring-jointgaskets(Table10)ExtractedfromASAStdB16.20.gasketsa)tdgroovesforst

30、eelpipeflanges(obtainablefromtheBritishStandardsInstitution)OnaveragepitchDimensionP0.007mdiameterofringOnwidthoringDimensionA0.008mOnheightofringDimensionHa1/64in.OnwidthoflatDimensionC0.008mOncornerradiusDimensionR54mOn23flank土V2angleofringaAplustoleranceof%inchonheightispermittedprovidedthattheva

31、riationintheheightofanygivenringdoesnotexceedl/mehthroughoutitsentirecircumference.9 FlangeboltingdimensionsThenumberofboIts.theirsizeandthwboltcirclediameterforeachclassandsizeofflangeshallbeasgiveninTable2.Table4.Table6andTable8.Boltholesshallbepitchedevenlyaroundtheboltcircle.10 Spot-facingandbac

32、k-facingofflangesFlangesneednotbespot-facedorback-facedprovidedthattheirbacksareparallel,within1.totheirfacesandthefilletsoftheirhubsdonotinterferewiththefullbearingofthefasteningnuts9BSI03-2000BS3293:1960Whenspot-facingisrequireditsdiametershallnotbelessthanthedimensionacrossthecornersoftheappropri

33、atenutplusVginchWhenaspot-facingcutsintothefilletofaflangeitsdiametershallnotexceedthedimensionacrossthecornersofthenutbymorethan3/16inchWhenaELangeisback-facedthefilletmaybereducedbutnoteliminatedentirelyAsharpcorneratthejunctionofthwELangeanditshubshallnotbepermittedThespecifiedminimumthicknessofa

34、nyflangewhetherornotitisspot-facedorback-facedshallnotbeexceededbymorethanthetolerancepermittedunderClause7,norshalltheprocessofspot-facingorback-facingreduceitsthicknessatanypointtolessthanthespecifiedminimum.Section4.Inspection11 InspectionThepurchaserorhisrepresentativeshallhavefreeaccess,atallre

35、asonabletunestothosepartsofthemanufacturersworksengageduponhiscontractandshallbeatlibertytoinspect,atanystageofmanufacturethematerialscoveredbythiscontractHeshallbeatlibertytorejectanymaterialwhichdoesnotcomplywiththerequirementsofthisstandardNOTEThisstandarddoesnotmakeprovisionforthepressuretesting

36、oflooseflangesThesemaybetestedafterattachmenttopipeorequipment.ThetestpressurewillthendependontherequirementsoftheCodetowhichthepipeorequipmenthasbeenfabricated12 RepairofdefectsDefectswhichdonotimpairthestrengthofaflangemaybeweldedbyaprocedureapprovedbythepurchaserTheyshallbecleanedouttosoundmetalb

37、eforeweldingandshallbesubmittedtothepurchasersmspectorforapprovalinthiscondition,afterwhichtheymaybeweldedifthemspectorsoagrees.Suchweldsneednotbehea11reatedunlessrequiredbythwinspector.Whentheweldingofdefectsispermittedtheweldingrodshallbesuchastoproduceaweldhavingcharactenstacssimilartotheparentme

38、tal.Section5.Marking13 MarkingThefollowingmarkingsarerequiredonflangescoveredbythisstandard:a) Themanufacturersnameortrademarkb) BS3293c) Theword*Steel.d) Nominalpipesizeininchese) Onflangesprovidedwithring-jointfacings,theletterRfoUowedbytheappropriateringnumber,thismarkingbeinglocatedontheflangeed

39、ge.Section6.Preparationanddespatch14 PreparationPaintingofinishedflangesshallbeoptionaltothemanufacturerunlessotherwisespecifiedbythepurchaserMachinedsurfacesshallbewellcoveredwithanapprovedruscomposition15 DespatchFlangesshallbefastenedtogetherinsuchamannerthattheyarepairedandnoflangefacingsremaine

40、xposedExposedfacingsofsingleflangesshallbeprotectedovertheirentiresurfacewithasuitableclose-fittingprotectorsecurelyattachedatnotlessthanfourpointsThetypeofprotectorandmethodofattachmentshallbeapprovedbythepurchaserOthermethodsofpreparationfordespatchshallbesubjecttoagreementbetweenthepurchaserandth

41、emanufacturerBSI03-20003BS3293:1960Welding-necktypeTable1Dimensionsofflanges,class15012346678910NomiwilpipemeOntsidediAiueterofmm“OlUckM688Ofmin.COutsidettijuueterofHrfeendofhubXOutsidedixiueterofbboaHendofhub:WeldingneckALengththrcnghhubFilletra.diu8RFlxn“boreSiy-onXWeldinhhWeldinf-neckRininmininin

42、inmmin2634%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%NOTE1Forrelevantdrillingboltingandfacingdimension

43、sseeTable2NOTE2FortolerancespermittedonflangedimensionsseeClause7NOTE3Thehubsofslip-onweldingflangesmaybecylindricaloralternatively,mayhaveadraftofnotmorethan7ontheoutsidesurfaceforforgingpurposes.NOTE4EachsketchattheheadofthistabledepictsaflangewithaV16inraisedfacingThedimensionsC.Yj.andY2.therefor

44、e,includetheheightofthefacing(seeClause7).IfanyothertypeoffacingisrequireditsheightshallbeadditionaltotheminimumflangethicknessTable2Drilling,bolting：andfacingdimensionsforflanges,class15012345678DrillingRaisedfaceLengthofstud-bolts(seeNote3)Lengthofheadedbolts(seenote3)NominalDiameterofNumberofDiam

45、eterofDiameterofOutsidepipesizeboltcircleboltholesboltsboltholesdiameterDRininininininin26313/4241”4291/46%53/428342814%311/4763036281V4l3/s333/4763238V2281”2l5/s353/473/46%34402321V2l5/8讯86%36433/4321”2l5/s401/486叫38451/4321”2%42%86叫40471/4361244%8%742491/2361”2l5/s478“244513/440iv21%498x/27叫46533/

46、440125183/471/24856441叽%53V283/47%NOTE1Forrelevantflangedimensions,seeTable1.NOTE2ForthetolerancepermittedondimensionR.seeClause8NOTE3Theendsofallstud-boltsshallberoundedorchamferedStud-boltlengthsinColumn7donotincludetheheightsoftheseendsThelengthsforheadedboltsinColumn8includeendheights.BSI03-2000

47、5BS3293:1960BSI03-2000#BS3293:1960Weldmgoecktype13466789toNoiuinAlOutsideilixiueteroffUnfeThicknessofOutsideitixiueterlareendofhubOutsideAixineteramxllendofhubLengththrovLhhubFUnfeborepiesizeWeldinneckSlip-onu&dwelttin-neckSlip,onWelin-neckOCXAAYRBxBmininininininminin26283038%40%433%3%3%28%30】厶32%27

48、%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,class300NOTE1ForrelevantdrillingboltingandfacingdimensionsseeTable4NOTE2FortolerancespermittedonflangedimensionsseeClause7.NOTE3Thehubtaperonslip-onflangesmayb

49、econtinuousasshowninthefigureorbeacompoundtaper,atthemanufacturersoption.NOTE4Eachsketchattheheadofthistabledepictsaflangewithax/16mraisedfacingThedimensionsCandYtherefore,includetheheightofthefacing(seeClause7).Ifanyothertypeoffacingisrequireditsheightshallbeadditionaltotheminimumflangethickness.BS

50、I03-2000#BS3293:1960BSI03-20007BS3293:1960rDRaisedfacetypewclding-neckandslip-onTable4Drilling,bolting：andfacingdimensionsforflanges,class300BSI03-2000#BS3293:196013466789101112131416Fcin蓉dixnendoM8Len0hoAJvagWJDLJWWRin蓉Joint(seeNote国bolts(seeNote爭NominallkcepipesizeDvuneterNrnuberDixiueterDixineter

51、OutsidePitchGrooveDeythofDixiueterofRin*RxisetlRin蓉.jointRitiseARin蓉JointfboltofboltsofboltsofboltdijuiieterAiiuiieterwittligrooveE.raiseilnumberfkeefiicecircleholesHeightofportionK&cinL.(seeNote3)(SeeDBPFnote3)ininininininininininminin2634吗281%1%29%29%町31%R939%118%9*22837281%1%31x431*2%33%R9410%呼91

52、03039%281%1%33%33%叫町36%R951112%9均10%3241x6281%23636%38%R9611%1310%11%3443均281%23838%40%R971213%10x/:ll1/：36463222%40%40%43R9812%13%10%12NOTE1Forrelevantflangedimensions,seeTable3.NOTE2ForthetolerancespermittedonflangefacingdimensionsseeClause8NOTE3TheheightLofaring-jointfacingisequaltothedepthEofthe

53、linggroovebutisnotsubjecttothetolerancesonERaisedportionorfull-facemaybesuppliedunlessspecifiedintheoiderNOTE4Theendsofallstud-boltsshallberoundedorchamferedStud-boltlengthsmColumns12and13donotincludetheheightsoftheseends.ThelengthsforheadedboltsinColumns14and15includeendheights.Stip-ontypeX1Welding

54、-necktypeTable5Dimensionsofflanges,class4001347810NoiuiwdLOutsideThickBessOutsideOutsiitediiuiietersuiAUendofLengththroughFla.neborefifesizeAijcniterooffbuiediameterburhubhmbFilletntdiusfbmaemin.enlofhubSlip-onWelIin-neckStip-onjlmiIStip-onWeldinneckweldm-BeckOCXAAYBBxinininininininininin2638%3%28%沁

55、266%26%2840%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-onflangesmaybecontinu

56、ousasshowninthefigureorbeacompoundtaper,atthemanufacturersoption.Raisedfacetypewelding-neckandtlip-oaTable6Drilling,bolting：andfacingdimensionsforflanges,class4001340678910111213DriDin蓉FcinttuuensionsLen01iostml-boits(seeNote国NominalpiyesizeRxiseA&ceRing-jointDiameterofboltcircleDNumberofboltsDiameteroflioliflDiameterofboltholesOutsideitijLii&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%