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:2007208208:(19832),,,,:100027466(2008)0120049205,,(,650224):,EN1591EN159121:GB150-1998,2,EN1591,:;;;:TB42:ADiscussionontheTypicalDesignMethodsofFlangeJointsWANGPan2pan,SONGPeng2yun,YANGYu2fen(FacultyofChemicalEngineering,KunmingUniversityofScienceandTechnology,Kunming650224,China)Abstract:Adiscussiononthetypicaldesignmethodsofflangejoints,withthekeyontheintro2ductionofEuropeanUnionstandardEN1591andthecalculationmethodsofEN1591ispresented.AcomparisonwasmadebetweenthecalculationmethodsofEN159121andtheGB150inChina,withtheresultsthatboththecalculationmethodshastheeffectiveofensuringthetightnessofflangejoints,butthecalculationmethodofEN1591isabletoconsiderdifferenttightness.Keywords:flange;standard;calculation;leakagerate,,,,,,11.1,;DINV2505,ASME212,GB150-1998JISB2205-1991371Vol137No1120081PETRO2CHEMICALEQUIPMENTJan.2008DINV25051964,1990DINE2505[1]ASME212my2,2,,,GB150-1998ASME,my2,DINV2505,,ASME2my,,ASME,()1.2,,,(PVRCPressureVesselresearchCouncil)(CEN)(TC74)ASME,PVRC,,90:,Gb,aGs[2],,,ASME212,,,,2001,(CEN)(TC74):EN159121[3]ENV159122[4],2004EN13555[5],EN159121EN1591,,,,()(),,,,,,2EN1591EN15912132(1)(),,bGe,(2):,()052008372.12.1.1,(I=0),:FG0min=AGemin(1),FG0min,N;AGe,mm2;min,MPa(I=1,2),,,:FGImin=max{AGeI;-(FQI+FRI)}(2),I,MPa;FGImin,FQI,FRI,NFQIFRI:FQI=(/4)dGe2p1(3)FRI=FAI(4/d3e)MAI(3),p1,N;FAI,N;dGe,d3e,mm;MAI,MPap13:p10()p=0(,)p10(),FAI0;,FAI0,+,-,min1ENV159122,(ENV159122[TGL32903/13(1983)][6],),EN13555,2.1.2FGImin,:FG=maxall.I0{FGIminYGI+[FQIYQI+(FRIYRI-FR0YR0)+UI]}/YG0(5),FG,N;YGYQYR;UI,:UI=lBBI(tBI-t0)-eFtFI(tFI-t0)-eLLI(tLI-t0)-eGGI(tGI-t0)-eFtFI(tFt-t0)-eLLI(tLI-t0)(6),t0,tBI,tFI(),tLI,tGI,;lB,e,mm;,1/K2.1.3,FG0regFB0reg:FG0reg=max{FG0min;FG}(7)FB0reg=FG0reg+FR0(8)FG0=ABB0/3-FR0(9)FR0=FA0(4/d3e)MA0(10),FG0reg;FB0reg,N;B0,MPa;AB,mm2,FG0regFG0,bGe,,FG0regFG0EN159121CFB0maxFB0min,(I=1,2),,FG,:FG0d=max{FG;(2/3)(1-10/NR)FB0max-FR0}(11),FG0d;FB0max,N;NR151,::FGI={FG0dYG0-[FQIYQI+(FRIYRI-FR0YR0)+UI]}/YGI(12)FBI=FGI+(FQI+FRI)(13),FBI;FGI,N2.2EN159121,EN159121:F=|FGhG+FQ(hH-hp)+FRhH|/WF(14):B=1BFBAB2+3CMt,BIB21(15):G=FG/(AGtmax)1(16),F;B;G;hGhH,hP,mm;WF;B,max,MPa;AB,AGt,mm2C;Mt,B,Nmm;IB,mm3;FG,N,:max=min{110;016+1/5125+(-1)2}(17),=d4/d0210;=d4/d6210;max,,,33.1EN159121EN1591,,,,,[7],(20),PN4.0,DN404.0MPa,He0101mg/(sm),,55MPa,,,(1)PN4.0,DN40,20,Q2352B,,RF,,Q2352B;0101mg/(sm);150mm,18mm,18mm,M16,110mm,68mm,14mm,7.5mm,51;92mm,49mm,1.5mm(2)55.0MPa;47.8MPa9.3%,He0101mg/(sm),2,,[7],[7],3.2GB1501998GB1501998ASME,PVRC,,GB1501998,,GB1501998,ASME(1)3.1,m=4.0,y=61.9MPa,92mm,49mm,1.5mm(2),2520083761.9MPa,31.9MPa3.33.3.1GB1501998,He011mg/(sm),EN1591,[7],,10MPa,10MPa,GB1501998,EN1591,GB1501998EN1591He0101mg/(sm),,,0101mg/(sm)3.3.2,GB1501998GB1501998,,,GB15019982,(),,,,,,,,,EN1591,,,,,,,,EN159121,,EN13555,,4,EN1591,,,,,,EN1591,,,,,:[1],.[J].,2002,39(5):6.[2].[M].:,2006.[3]EN159121(2001),FlangesandTheirJoint-DesignRulesforGasketedCircularFlangeConnectionsPart1:CalculationMethod[S].[4]ENV159122(2001),FlangesandTheirJoint2DesignRulesforGasketedCircularFlangeConnectionsPart2:GasketPa2rameters[S].[5]EN13555(2004),FlangesandTheirJoint2GasketParametersandTestProceduresRelevanttotheDesignRulesforGaske2tedCircularFlangeConnections[S].[6].EN1591()[J].,2003,20(11):8.[7]HZerres,YGurout.Leak2tightnessConsiderationintheCal2culationofBoltedFlangeConnectionsAccordingtotheEuro2peanStandardEN159121.18thInternationalConferenceonFlu2idSealing[D].UK:AdvancedSolutionEngineeringLtd.,2005:2352247.[8]GB1501998,[S].()351,: