常用法兰规格尺寸表格

1、常用法兰规格尺寸表 （国标、美标、日标 ）GB9119 ， 288GB9119，288公称通 in径法兰外径10kg=1.0MPa 螺栓 螺栓 螺栓孔 孔距 直径 数法兰厚度公称通径法兰外径螺栓孔距16kg=1.6MPa 螺栓直 螺栓 径 孔数法兰厚度3/8 DN10506014414DN109060144141/2 DN159565144143/4 DN201057514416DN2010575144161 DN251158514416DN25115851441611/4 DN3214010018418DN3214010018418111/2 DN401501101

2、8418DN40150110184182 DN5016512518420DN501651251842021/2 DN6518514518420DN65185145184203 DN8020016018820DN802001601882031/2 DN10022018018822DN100220180188224 DN12525021018822DN125250210188225 DN15028524022824DN150285240228246 DN20034029522824DN200340295228268 DN250395350221226DN25040535526122910 DN30

3、0445400221228DN30046041026123212 DN350505460221630DN35052047026163514 DN400565515261632DN40058052530163816 DN450615565262035DN45064058530204218 DN500670620262038DN50071565033204620 DN600780725262042DN60084077036205224JIS标准JIS 标准JIS 标准10kg=1.0MPa16kg=1.6MPa20kg=2.0MPa公称通 in 径法兰外径螺栓孔距螺栓直径螺栓孔 数法兰厚度公称通

4、径法兰外径螺栓孔距螺栓直 螺栓径 孔数法兰厚度公称通 径法兰外径螺栓孔距螺栓直螺栓孔法兰厚度径数3/8 DN10DN10DN101/2 DN15DN15DN153/4 DN20DN20DN201 DN25DN25DN2511/4 DN32DN32DN3211/2 DN4014010519416DN4014010519416DN40140105194182 DN5015512019416DN5015512019816DN501551201981821/2 DN6517514019418DN6517514019818DN65175140198203 DN8018515019818DN80200,

5、16022820DN802001602382231/2 DN9019516019818DN9021017022820DN90210170238244 DN10021017519818DN10022518522822DN100225185238245 DN12525021023820DN12527022525822DN125270225258266 DN15028024023822DN150305260251224DN1503052602512288 DN200330290231222DN200350305251226DN20035030525123010 DN250400355251224DN

6、250430380291228DN25043038029123412 DN300445400251624DN300480430291630DN30048043029163614 DN350490445251626DN350540480321634DN35054048033164016 DN400560510271628DN400605540351638DN40060554033164618 DN450DN450DN45020 DN500DN500DN50024 DN600DN600DN600ANSI 标准 125 型ANSI标准150 型ANSI 标准 300 型10kg=1.0MPa16kg

7、=1.6MPa20kg=2.0MPa公称通公称通公称通螺螺in法兰螺栓螺栓螺栓孔法兰法兰螺栓螺栓直 螺栓法兰螺栓栓栓径径法兰厚度径法兰厚度外径孔距直径数厚度外径孔距径孔数外径孔距直孔径数3/8 DN10DN10DN101/2 DN15DN15DN153/4 DN20DN20DN201 DN25DN25DN2511/4 DN32DN32DN3211/2 DN4012798.516414.3DN4012798.516417.5DN40156114.5194182 DN50152120.519415.9DN50152121.519419.1DN501651272281821/2 DN65178139

8、.519417.5DN65178139.519422.3DN65190149228203 DN80190152.519419.1DN80190152.519423.9DN80210168228224 DN100229190.519823.9DN100229190.519823.9DN100254200228245 DN125254216.522823.9DN125254216.522823.9DN125279235228266 DN150279241.522825.4DN150279241.522825.4DN1503182702 212288 DN200343298.522828.6DN20

9、0343298.522828.6DN20038133025123010 DN250406362.5251230.2DN250406362.5251230.2DN250444387.529163412 DN300483432251231.8DN300483432251231.8DN30052145132163614 DN350533476.5291235DN350533476.5291235DN350584514.532204016 DN400597539.5291636.6DN400597539.5291636.6DN400648571.5 3 5204618 DN450DN450DN4502

10、0 DN500DN500DN50024 DN600DN600DN600国标(GB9112 9131 88)管法兰连接尺寸表公称通 径 DNmm公 称 压 力 PN MPa(bar)0.25(2.5)/0.6(6)1.0(10)1.6(16)2.5(25)2.0(20)DKnLDKnLDKnLDKnLDKnL40130100150110150110150110413098516501401101416512541651254165125181501205465160130418514518185145181851451801395208019015020016020016020016019015

11、251002101702201802201808235190822230190512524020018250210825021027022025521681502652258285240285240223002502628024152220032028034029534029536031012345298525037533539535012224053551242537030405362263004403951244540046041026485430485432123504904455054601652047016555490163353547030400540495162256551558

12、052530620550600540164505955506155652664058567060036635578335006456002067062020715650203373066020700635206007557052678072530840770368457703981574953670086081089584024910840249608752442800975920241015950331025950391085990489001075102030111510502811251050281185109028100011751120281230116036125511704213

13、20121012001375132032301455138032391485139032153014203256140513403348/15751520140016301560363016751590364216851590361755164036621600179017304036191518204048193018204056197518604018301760代号D -法兰外径 mm；n -螺栓孔个数D1 - 法兰螺栓孔中心圆直径mmd -螺栓孔直径 mm;国标 (GB9112 913188)管法兰连接尺寸表公 称 压 力 PN MPa(bar)0.25(2.5)/0.6(6)1.0(

14、10)1.6(16)2.5(25)2.0(20)国标标准法兰尺寸对照表PN1.6MPa的尺寸公称通径mDKnLDKnLDKnLDKnLDKnL4013010015011015011015011041309851650140110141651254165125416512518150120546516013041851451818514518185145180139520801901502001602001602001601901525100210170220180220180823519082223019051252402001825021082502102702202552168150265

15、225828524028524022300250262802415222003202803402953402953603101234529852503753353953501222405355124253703040536226300440395124454004604102648543048543212350490445505460165204701655549016335354703040054049516225655155805253062055060054016304505955506155652664058567060036635578335006456002067062020715

16、65020337306602070063520600755705267807253084077036845770398157495367008608108958402491084024960875244280097592024101595033102595039108599048900107510203011151050281125105011851090281000117511202812301160361255117028421320121012001375132032301455138032391485139032153014203256140513403348/157515201400

17、16301560363016751590364216851590361755164036621600179017304036191518204048193018204056197518604018301760代号D- 法兰外径 mm；n -螺栓孔个数D1 -法兰螺栓孔中心圆直径mmd -螺栓孔直径 mm;DNm口径 DNABCEHD螺栓50160125100316184-M1665180145120318184-M1680195160135320188-M16100215180155320188-M16125245210185322188-M16150280240210324238-M2020

18、03352952653262312-M202504053553203302512-M223004604103754302512-M223505204704354342516-M224005805254854363016-M274506405855454403020-M275007056506084443420-M306008407707185484124-M367009108407885504124-M3680010209508985524124-M36900112010509985544128-M3610001255117011105564828-M42PN2.5MPa的尺寸口径 DNABC

19、EHD螺栓50160125100320184-M1665180145120322188-M1680195160135322188-M16100230190160324238-M20125270220188328258-M22150300250218330258-M222003603102783342512-M222504253703323363012-M273004854303904403012-M273505504904484443416-M304006105505054483416-M304506606005554503420-M305007306606104524120-M3660084

20、07707185564120-M367009558758155604824-M4280010709909305644824-M429001180109010255665428-M4810001305121011405685828-M52PN4.0MPa的尺寸口径 DNABCGEFHD螺栓50160125100883420184-M16651801451201103422184-M16801951601351213422188-M1610023019016015034.524238-M2012527022018817534.528258-M2215030025021820434.530258-M

21、2220037532028226034.5383012-M2725044538534531334.5423412-M3030051045040836444.5463416-M3035057051046542245523416-M3040065558553547445584116-M3645068061056052445604120-M3650075567061257645624820-M4260089079573067856625420-M4870099590082576856685424-M488001135103096087656765824-M52PN6.4MPa的尺寸口径 DNABCG

22、EFHD螺栓50175135105883426234-M20652001601301103428234-M20802101701401213430238-M2010025020016815034.532258-M2212529524020217534.536308-M2715034028024020434.538348-M3020040534530026034.5443412-M3025047040035231334.5484112-M3630053046041236444.5544116-M3635059552547542245604116-M364006705855254744566481

23、6-M4250080070564057645705420-M4860093082075067856765820-M52PN10.0MPa的尺寸口径 DNABCGEFHD螺栓501951451128581228254-M226522017013811081232258-M228023018014811581234258-M2210026521017214581238308-M2712531025021017581242348-M30150350290250205812463412-M30200430360312265812544112-M36250500430382320812604112-M3

24、6300585500442375812704816-M423506555604984201112765416-M484007156205584801117805416-M48PN16.0MPa尺寸口径 DNABCGEFHD螺栓502151651329581236258-M226524519015211081244308-M278026020516813081246308-M2710030024020016081248348-M3012535528523819081260418-M361503903182702051014664112-M362004804003452751117784812-M

25、42250580485425330111788国标钢制管法兰制造标准法兰类型密封面形式 公称压力 /Mpa公称通径管子外径所属体系标准编号PN0.6 、PN1.0、PN1.6、平面、突面、凹凸面、英制系列和米制系PN2.5 、PN4.0、PN6.3、DN10 DN2000欧洲体系榫槽面列PN10.0、PN16.0整体法兰GB/T9113.1 GB/T9113.4-2000PN2.0 、PN5.0、PN11.0、 平面、突面、凹凸面、PN15.0、PN26.0、 榫槽面、环连接面PN42.0DN15DN600英制系列美洲体系PN0.6 、PN1.0、PN1.6、突面DN10DN150英制系列欧洲

26、体系PN2.5 、PN4.0螺纹法兰GB/T9114-2000PN2.0 、PN5.0、PN11.0、突面DN15DN600英制系列美洲体系PN15.0PN0.25、PN0.6、PN1.0、平面、突面、凹凸面、英制系列和米制系PN1.6 、PN2.5、PN4.0、DN10DN3000欧洲体系榫槽面列PN6.3 、PN10.0、PN16.0对焊法兰GB/T9115.1 GB/T9115.4-2000PN2.0 、PN5.0、PN11.0、平面、突面、凹凸面、PN15.0、PN26.0、DN15DN600英制系列美洲体系榫槽面、环连接面PN42.0平面、突面、凹凸面、PN0.6 、PN1.0、PN

27、1.6、英制系列和米制系DN10DN600欧洲体系榫槽面PN2.5 、PN4.0列带颈平焊法兰GB/T9116.1 GB/T9116.4-2000平面、突面、凹凸面、PN2.0 、PN5.0、PN11.0、DN15DN600英制系列美洲体系榫槽面、环连接面PN15.0、PN26.0带颈承插焊法突面、凹凸面、 榫槽 PN2.0 、PN5.0、PN11.0、DN15DN80英制系列美洲体系GB/T9117.1 GB/T9117.4-2000面、环连接面PN15.0、PN26.0PN2.0 、PN5.0、PN11.0、对焊环带颈松突面、环连接面PN15.0、 PN26.0、DN15DN600英制系列

28、美洲体系GB/T9118.1 GB/T9118.2-2000套法兰PN42.0PN0.25、PN0.6、PN1.0、英制系列和米制系板式平焊法兰平面、突面DN10DN2000欧洲体系GB/T9119-2000PN1.6 、PN2.5、PN4.0、列对焊环板式松突面、凹凸面、 榫槽 PN1.0 、PN1.6、PN2.5、英制系列和米制系DN10DN600欧洲体系GB/T9120.1 GB/T9120.3-2000套法兰面PN4.0 、列平焊环板式松突面、凹凸面、 榫槽 PN0.6 、PN1.0、PN1.6、英制系列和米制系DN10DN600欧洲体系GB/T9121.1 GB/T9121.3-20

29、00套法兰面PN2.5 、PN4.0列翻边环板式松突面PN0.6 、PN1.0DN10DN300英制系列和米制系欧洲体系GB/T9122-2000套法兰PN0.25、PN0.6、PN1.0、 平面、突面、凹凸面、PN1.6 、PN2.5、PN4.0、DN10 DN2000欧洲体系法兰盖榫槽面PN6.3 、PN10.0、PN16.0GB/T9123.1 GB/T9123.4-2000DN15 DN600美洲体系PN2.0 、PN5.0、PN11.0、 平面、突面、凹凸面、PN15.0、PN26.0、 榫槽面、环连接面PN42.0国标钢制管法兰检验标准GB/T9124-2000国标真空法兰标准（

30、2）图 1 固定法兰表 1 固定法兰尺寸（ mm）公称通径F*BHE*Mjs16CH13X螺栓Dn1012.240553086.60.6641617.245603586.60.6642022.250654086.60.6642526.255704586.60.6643234.2709055891844041.280100651291845052.290110751291846370110130951291848083125145110129188100102145165130129188125127175200155161111081601532002251801611110820021326

31、0285240161111012250261310335290161111012320318395425370201421212400400480510450201421216500501580610550201421216630651720750690241421220800800890920860241421224100010001090112010602414212321250125014041440134028192.516321600160017551790170530192.516321800180019401980192032242.52032200020002205224521

32、4032242.52032* 见 3.4.2 。图 2 卡钳法兰表 2 卡钳法兰尺寸（ mm）公称通径F*LPrS*U*Wjs16H14B10h11h111012.26313015281617.26313520332022.26314025382526.26314530433234.26315540534041.21051.5655062图 3 活套法兰表 3 活套法兰尺寸 (mm)公称通径BHTVMQrK*CX螺栓H11H14js16B10H13Dn10405530.132.183126.60.66416456035.137.183126.60.66420506540.142.183126.60.66425557045.147.183126.60.66432709055.557568.5125.51.539184509011075.578.5125