国标法兰尺寸标准

1、国标法兰尺寸标准1.“机械工业部(JB81/83-94)”法兰连接尺寸表公称M径DNmm公称压力Pg(Kgf/cm2)2.56101625DD1ndDD1ndDD1ndDD1ndDD1nd401301004141301004141451104181451104181451104185014011014011016012516012516012565160130160130180145180145180145880(70)1851501818515018195160195160819516010020517020517021518082151802301902212523520082352008

2、245210245210270220261502602252602252852402228024022300250200315280315280335295335295123603101225037033512370335123903501240535526425370303004353952243539522440400460410485430163504854454854455004601652047016550490334005354951653549516565515265805253061055045059055059055061556520640585206606002050064

3、060064060067062070565033730660396007557052026755705202678072530840770398407707008608102486081024895840249108402495587524458009759203097592030101095033102095010709909001075102010750201110105028112010502811801090285210001175112028117512028122011601255117045130512105612001375132032140034032331450138032

4、391485139032521525142032140015751520361620560361675159036451685159036175016403640150016901(301720660-LL-160017851：304018207604(191518204052193018204056-代号匚-法兰外径mmn-螺栓孔个数D1-法兰螺栓孔中心圆直径mmd-螺栓孔直径mm2.国标(GB9112913188)管法兰连接尺寸表公称卜径公称压力PNMPa(bar)0.25(2.5)/0.6(6)1.0(10)1.6(16)2.5(25)2.0(20)DNmm:DKnLDKnLDKnLDK

5、nLDKnL4013010041415011041815011041815011041813098.541650140110165125165125165125150120.52065160113018514518514518511458180139.580190115018200160820016082001160190152.510021017022018022018023519022230190.581252402)0825021025021027022026255216221502652252852402228524022300250280241.5200320230340295340

6、29512360131012345298.525037533512395350124053552642537030405362122630044039522445400460410485430164854323504904455054601652047016555490335354703040054049516565515265805253062055036600540164505955506155652064058520670160020635578335006456002067062071565033730660700635206007557052678072530840770368457

7、7039815749.536700860810248958402491084024960875244280097592010159503310259503910859909001075102030111510502811251050281185109028/100011751120281230116036125511704213201210561200137514051320134032303314551380323914851390324815301420321400157516301520156036303616751590364216851590361755164036621600179

8、0183017301760401915182040481930182040561975186040代号D-法兰外径mmn-螺栓孔个数D1-法兰螺栓孔中心圆直径mmd-螺栓孔直径mm;3.化工部建设工程标准(HGJ44-76-91)管法兰连接尺寸表西德国标(DIN25002699)公称通径DNmm公称压力PNMpa(bar)0.25(2.5)0.6(6)1.0(10)1.6(16)2.5(25)DKnLDKnLDKnLDKnLDKnL4013010041413010041415011041815011041815011041850140110140110165125165125165125651

9、601301601301851451851451851458801901501819015018200160820016082001601002101702101702201802201802351902212524020082402008250210250121027022026150265225265225285240222851240223002502003202803202803402953402951236031012250375335123753351239535012405355264253703030044039544039544540046041048543016350490

10、4454904455054601652014701655549033400540495162254049516225655153058052530620550364505955505955506155652064058520670600205006456002064560020670620715650337306606007557052675570526780725308407703684577039700860810248608102489584024/8009759203097592030101595033900107510201075102011151050281000117511202

11、811751120283612301160361200137513203214051340323314551380323914001575152036163015603636167515903642160017901730401830176040191518204048180019901930442045197044392115202044代号匚-法兰外径mmn-螺栓孔个数p1-法兰螺栓孔中心圆直径mmd-螺栓孔直径mm4.中石化标准(SH3406-92)管法兰连接尺寸表美国标准(ANSIB16.5、API605)公称通径DN公称压力PNMPa(bar)1.0(125)2.0(150)5.0(

12、300)AmmBinOCNhOCNhOCNh401-1/2注：表中代号：O-法兰外径mmC-螺栓孔中心'圆直径mm13098.5416155114.5422502150120.520165127.0820652-1/2180139.5190149.022803190152.5210168.51004230190.58255200.01255255216.022280235.01506n-螺栓数量280241.5320270.0122008径mm345298.5380330.026250101-螺栓孔苣405362.01226445387.5163030012485432.0520451

13、.03335014535476.030585514.52040016600540.016650571.53645018635578.033710628.52450020700635.020775686.060024815749.536915813.0427002881377540188377954022921857363680032914876489419004810549783242900361033992402210571010-261172108945100040113510944411751121443012731191401100441251120336261276122252138

14、4129548120048135313054413921335443315111416521300521457141048149414375216131518481400561575152140301600154360176516513660150060167616224417261662523618781764405.日本国家标准(JISB2210-84)法兰连接尺寸表公称通径DNmm公称压力PNKgf/cm2(K)2K5K10K16K/20K30KDCnhDCnhDCnhDCnhDCnh401209541512095415140/419140105419160120423501301051

15、3010515510515512081651308196515513015513017512017514020016023801801451918014519185140820016023210170(90)1901551901551951502101702301852510020016582001658210160225185240195125235200235200250175232702252527523015026523026523028021030526012325275122720032028023320280233302401235030537032025038534512385

16、3451240029025430380274503903330043039043039044535516480430165154501635048043525480435254904005404803356049540054049516540495165604452760554063056039450605555236055556205102067560520/50065560520655605206756207306606007707152577071527795730243384577024397008758202487582024905840960875424880099593027995930331020950281085990485