常用法兰规格尺寸表

.PAGE.常用法兰规格尺寸表<国标、美标、日标>GB9119,2—88GB9119,2—88in公称通径10kg=1.0MPa公称通径16kg=1.6MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN10506014414DN10906014414㎡㎏1/2DN159565144143/4DN201057514416DN2010575144161DN251158514416DN25115851441611/4DN3214010018418DN321401001841811/2DN4015011018418DN40150110184182DN5016512518420DN501651251842021/2DN6518514518420DN65185145184203DN8020016018820DN802001601882031/2DN10022018018822DN100220180188224DN12525021018822DN125250210188225DN15028524022824DN150285240228246DN20034029522824DN200340295228268DN250395350221226DN25040535526122910DN300445400221228DN30046041026123212DN350505460221630DN35052047026163514DN400565515261632DN40058052530163816DN450615565262035DN45064058530204218DN500670620262038DN50071565033204620DN600780725262042DN60084077036205224JIS标准JIS标准JIS标准in公称通径10kg=1.0MPa公称通径16kg=1.6MPa公称通径20kg=2.0MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN10DN10DN101/2DN15DN15DN153/4DN20DN20DN201DN25DN25DN2511/4DN32DN32DN3211/2DN4014010519416DN4014010519416DN40140105194182DN5015512019416DN5015512019816DN501551201981821/2DN6517514019418DN6517514019818DN65175140198203DN8018515019818DN80200,16022820DN802001602382231/2DN9019516019818DN9021017022820DN90210170238244DN10021017519818DN10022518522822DN100225185238245DN12525021023820DN12527022525822DN125270225258266DN15028024023822DN150305260251224DN1503052602512288DN200330290231222DN200350305251226DN20035030525123010DN250400355251224DN250430380291228DN25043038029123412DN300445400251624DN300480430291630DN30048043029163614DN350490445251626DN350540480321634DN35054048033164016DN400560510271628DN400605540351638DN40060554033164618DN450DN450DN45020DN500DN500DN50024DN600DN600DN600ANSI标准125型ANSI标准150型ANSI标准300型in公称通径10kg=1.0MPa公称通径16kg=1.6MPa公称通径20kg=2.0MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN10DN10DN101/2DN15DN15DN153/4DN20DN20DN201DN25DN25DN2511/4DN32DN32DN3211/2DN4012798.516414.3DN4012798.516417.5DN40156114.5194182DN50152120.519415.9DN50152121.519419.1DN501651272281821/2DN65178139.519417.5DN65178139.519422.3DN65190149228203DN80190152.519419.1DN80190152.519423.9DN80210168228224DN100229190.519823.9DN100229190.519823.9DN100254200228245DN125254216.522823.9DN125254216.522823.9DN125279235228266DN150279241.522825.4DN150279241.522825.4DN1503182702212288DN200343298.522828.6DN200343298.522828.6DN20038133025123010DN250406362.5251230.2DN250406362.5251230.2DN250444387.529163412DN300483432251231.8DN300483432251231.8DN30052145132163614DN350533476.5291235DN350533476.5291235DN350584514.532204016DN400597539.5291636.6DN400597539.5291636.6DN400648571.535204618DN450DN450DN45020DN500DN500DN50024DN600DN600DN600国标<GB9112—9131—88>管法兰连接尺寸表公称通径DNmm公称压力PNMPa<bar>0.25<2.5>/0.6<6>1.0<10>1.6<16>2.5<25>2.0<20>DKnLDKnLDKnLDKnLDKnL4013010041415011041815011041815011041813098．541650140110165125165125165125150120．520651601301851451851451851458180139．5801901501820016082001608200160190152．510021017022018022018023519022230190．58125240200825021025021027022026255216221502652252852402228524022300250280241．52003202803402953402951236031012345298．525037533512395350124053552642537030405362122630044039522445400460410485430164854323504904455054601652047016555490335354703040054049516565515265805253062055036600540164505955506155652064058520670600206355783350064560020670620715650337306607006352060075570526780725308407703684577039815749．5367008608102489584024910840249608752442/80097592030101595033102595039108599048900107510201115105028112510502811851090281000117511202812301160361255117042132012105612001375140513201340323033145513803239148513903248153014203214001575163015201560363036167515903642168515903617551640366216001790183017301760401915182040481930182040561975186040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mm

d-螺栓孔直径mm;国标<GB9112—9131—88>管法兰连接尺寸表公称通径DNmm公称压力PNMPa<bar>0.25<2.5>/0.6<6>1.0<10>1.6<16>2.5<25>2.0<20>DKnLDKnLDKnLDKnLDKnL4013010041415011041815011041815011041813098．541650140110165125165125165125150120．520651601301851451851451851458180139．5801901501820016082001608200160190152．510021017022018022018023519022230190．58125240200825021025021027022026255216221502652252852402228524022300250280241．52003202803402953402951236031012345298．525037533512395350124053552642537030405362122630044039522445400460410485430164854323504904455054601652047016555490335354703040054049516565515265805253062055036600540164505955506155652064058520670600206355783350064560020670620715650337306607006352060075570526780725308407703684577039815749．5367008608102489584024910840249608752442/80097592030101595033102595039108599048900107510201115105028112510502811851090281000117511202812301160361255117042132012105612001375140513201340323033145513803239148513903248153014203214001575163015201560363036167515903642168515903617551640366216001790183017301760401915182040481930182040561975186040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mm

d-螺栓孔直径mm;国标标准法兰尺寸对照表PN1.6MPa的尺寸口径DNABCEHD螺栓50160125100316184-M1665180145120318184-M1680195160135320188-M16100215180155320188-M16125245210185322188-M16150280240210324238-M202003352952653262312-M202504053553203302512-M223004604103754302512-M223505204704354342516-M224005805254854363016-M274506405855454403020-M275007056506084443420-M306008407707185484124-M367009108407885504124-M3680010209508985524124-M36900112010509985544128-M3610001255117011105564828-M42PN2.5MPa的尺寸口径DNABCEHD螺栓50160125100320184-M1665180145120322188-M1680195160135322188-M16100230190160324238-M20125270220188328258-M22150300250218330258-M222003603102783342512-M222504253703323363012-M273004854303904403012-M273505504904484443416-M304006105505054483416-M304506606005554503420-M305007306606104524120-M366008407707185564120-M367009558758155604824-M4280010709909305644824-M429001180109010255665428-M4810001305121011405685828-M52PN4.0MPa的尺寸口径DNABCGEFHD螺栓50160125100883420184-M16651801451201103422184-M16801951601351213422188-M1610023019016015034.524238-M2012527022018817534.528258-M2215030025021820434.530258-M2220037532028226034.5383012-M2725044538534531334.5423412-M3030051045040836444.5463416-M3035057051046542245523416-M3040065558553547445584116-M3645068061056052445604120-M3650075567061257645624820-M4260089079573067856625420-M4870099590082576856685424-M488001135103096087656765824-M52PN6.4MPa的尺寸口径DNABCGEFHD螺栓50175135105883426234-M20652001601301103428234-M20802101701401213430238-M2010025020016815034.532258-M2212529524020217534.536308-M2715034028024020434.538348-M3020040534530026034.5443412-M3025047040035231334.5484112-M3630053046041236444.5544116-M3635059552547542245604116-M3640067058552547445664816-M4250080070564057645705420-M4860093082075067856765820-M52PN10.0MPa的尺寸口径DNABCGEFHD螺栓501951451128581228254-M226522017013811081232258-M228023018014811581234258-M2210026521017214581238308-M2712531025021017581242348-M30150350290250205812463412-M30200430360312265812544112-M36250500430382320812604112-M36300585500442375812704816-M423506555604984201112765416-M484007156205584801117805416-M48PN16.0MPa尺寸口径DNABCGEFHD螺栓502151651329581236258-M226524519015211081244308-M278026020516813081246308-M2710030024020016081248348-M3012535528523819081260418-M361503903182702051014664112-M362004804003452751117784812-M42250580485425330111788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整体法兰平面、突面、凹凸面、榫槽面PN0.6、PN1.0、PN1.6、PN2.5、PN4.0、PN6.3、PN10.0、PN16.0DN10～DN2000英制系列和米制系列欧洲体系GB/T9113.1～GB/T9113.4-2000平面、突面、凹凸面、榫槽面、环连接面PN2.0、PN5.0、PN11.0、PN15.0、PN26.0、PN42.0DN15～DN600英制系列美洲体系螺纹法兰突面PN0.6、PN1.0、PN1.6、PN2.5、PN4.0DN10～DN150英制系列欧洲体系GB/T9114-2000突面PN2.0、PN5.0、PN11.0、PN15.0DN15～DN600英制系列美洲体系对焊法兰平面、突面、凹凸面、榫槽面PN0.25、PN0.6、PN1.0、PN1.6、PN2.5、PN4.0、PN6.3、PN10.0、PN16.0DN10～DN3000英制系列和米制系列欧洲体系GB/T9115.1～GB/T9115.4-2000平面、突面、凹凸面、榫槽面、环连接面PN2.0、PN5.0、PN11.0、PN15.0、PN26.0、PN42.0DN15～DN600英制系列美洲体系带颈平焊法兰平面、突面、凹凸面、榫槽面PN0.6、PN1.0、PN1.6、PN2.5、PN4.0DN10～DN600英制系列和米制系列欧洲体系GB/T9116.1～GB/T9116.4-2000平面、突面、凹凸面、榫槽面、环连接面PN2.0、PN5.0、PN11.0、PN15.0、PN26.0DN15～DN600英制系列美洲体系带颈承插焊法兰突面、凹凸面、榫槽面、环连接面PN2.0、PN5.0、PN11.0、PN15.0、PN26.0DN15～DN80英制系列美洲体系GB/T9117.1～GB/T9117.4-2000对焊环带颈松套法兰突面、环连接面PN2.0、PN5.0、PN11.0、PN15.0、PN26.0、PN42.0DN15～DN600英制系列美洲体系GB/T9118.1～GB/T9118.2-2000板式平焊法兰平面、突面PN0.25、PN0.6、PN1.0、PN1.6、PN2.5、PN4.0、DN10～DN2000英制系列和米制系列欧洲体系GB/T9119-2000对焊环板式松套法兰突面、凹凸面、榫槽面PN1.0、PN1.6、PN2.5、PN4.0、DN10～DN600英制系列和米制系列欧洲体系GB/T9120.1～GB/T9120.3-2000平焊环板式松套法兰突面、凹凸面、榫槽面PN0.6、PN1.0、PN1.6、PN2.5、PN4.0DN10～DN600英制系列和米制系列欧洲体系GB/T9121.1～GB/T9121.3-2000翻边环板式松套法兰突面PN0.6、PN1.0DN10～DN300英制系列和米制系列欧洲体系GB/T9122-2000法兰盖平面、突面、凹凸面、榫槽面PN0.25、PN0.6、PN1.0、PN1.6、PN2.5、PN4.0、PN6.3、PN10.0、PN16.0DN10～DN2000欧洲体系GB/T9123.1～GB/T9123.4-2000平面、突面、凹凸面、榫槽面、环连接面PN2.0、PN5.0、PN11.0、PN15.0、PN26.0、PN42.0DN15～DN600美洲体系国标钢制管法兰检验标准:

GB/T9124-2000国标真空法兰标准〔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Dn1016202532405063801001251602002503204005006308001000125016001800200052.270831021271532132613184005016518001000125016001800200040455055708090110125145175200260310395480580720890109014041755194022055560657090100110130145165200225285335425510610750920112014401790198022453035404555657595110130155180240290370450550690860106013401705192021408888812121212121616161620202024242428303236.6999999111111111414141414141919240.6111111111122222.566668888881010101012121212121216162020444444448888121212161620243232323232*见3.4.2。图2卡钳法兰表2

卡钳法兰尺寸〔mm公称通径F*Ljs16PH14rB10S*h11U**Wh1110162025324050638010012516020025032040050063052.2708310212715321326131840050165166666101010101010101010151515203333355555555101112.544530354045556575951101301551802402903704505506901520253040506080951151401652252753554355356602833384353627292107127150175235285365442542680*见3.4.2。**见3.7。图3活套法兰表3

活套法兰尺寸<mm>公称通径BHTH11VH14Mjs16QrB10K*CH13X螺栓Dn10162025324050638010012516020025032040050063040455055708090110125145175200260310395480580720556065709010011013014516520022528533542551061075045.155.565.575.595.5110.5130.5155.7180.7240.7290.7370.8450.8550.86947.157.568.578.598.5113.5133.5160.7185.7245.7295.7375.8458.8558.8701888881212121212161616162020202433338.51010121112.5445222223333355555886.6999999111111111414140.61111111111222266668888881010101012121212444444448888121212161620*卡环直径K建议用下列公差：K=2mm为±0.02mm；K=3mm～5mm为±0.025mm；K=8mm～10mm为±0.030mm。附录A

〔规范性附录

法兰线密封载荷在下列使用条件下,法兰的线密封载荷为δ值〔见图A.1和表A.1。式中：δ——n个螺栓以200N/mm2应力均布施压在胶圈上的线密封载荷,N/mm；n——螺栓数目；S——螺栓截面面积mm2；d1——密封圈内径mm；d2——密封圈压缩前截面直径mm。图A.1

一个螺栓与O形圈组合表A.1

法兰线密封载荷及对应O形圈公称通径mm**δ常用值N/mm采用O形圈GB/T3452.1公称通径mm**δ常用值N/mm采用O形圈GB/T3452.1101620253240506380100125*在GB/T3452.1-2005《液压气动用O形橡胶密封圈第1部分：尺寸系列及公差》中没有此规格,该尺寸作为参考。**该值作为指导用,根据所选用密封圈而不同。

160287.00221.17174.38147.67214.28185.06148.07112.26193.69158.45204.10169.5215×1.820×1.825×2.6530×2.6538.5×2.6545×2.6556×3.5575×3.5587.5×3.55106×5.3132×5.3160×5.320025032040050063080010001250160018002000188.24155.51185.31194.77156.34153.20149.83160.49240.97188.91262.52236.55218×5.3265×5.3325×5.3412×7515×7658.88×6.99*810×7*1010×7*1260×10*1610×10*1810×12*2010×12*附录B

〔规范性附录

真空法兰内径及所需接管外径此附录给出了真空法兰的内径及所需接管外径。图B.1

真空法兰与接管表B.1

真空法兰内径、接管外径及管壁厚度〔mm公称通径A**1016202532405063801001251602002503204005006308001000125016001800200052.2708310212715321326131840050165180010001250160018002000162025303845577689108133159219267**325406509**660**812**1016**1274**1628**1832**2036**2222223333333333456812141618*d0,t0数值取自GB/T17395-1998《无缝钢管尺寸、外形、重量及允许偏差》,作为指导用。**在GB/T17395-1998中没有此规格,该尺寸作为参考。附录C〔资料性附录

本标准章条编号与ISO1609:1986〔E章条编号对照表C.1给出了本标准章条编号与ISO1609:1986〔E章条编号对照一览表。表C.1本标准章条编号与ISO1609:1986〔E章条编号对照本标准章条编号对应的ISO1609:1986〔E章条编号——————3.93.8—表A.1表4图A.1图4表B.1表5、表6、表7图B.1图5、图6附录C—附录D—附录D〔资料性附录

本标准与ISO1609:1986〔E技术性差异及其原因表D.1给出了本标准与ISO1609:1986〔E的技术性差异及其原因的一览表。表D.1本标准与ISO1609:1986〔E技术性差异及其原因本标准的章条编号技术性差异原

因2在"规范性引用文件"一章中直接写入引用的国家标准,并增加了GB/T3452.1-2005,而ISO1609:1986〔E中的参考材料内容毫无改变的保留了下来。以适应我国引用标准的规范。增加附录A中的引用文件。3删除了ISO1609:1986〔E中的3.1.3、3.2.3、3.2.4、3.4、3.5.3和3.6。这六项内容在表1、表2、表3及图1、图2、图3中已表示清楚。适应我国标准体制和语言习惯,并简化采用国际标准的方法。3.8增加了3.8"配合尺寸"。国际标准中,对于配合尺寸的引用标准情况没有做出说明。根据GB/T1.1-2000的要求而增加。表1增加了1250、1600、1800、2000规格的法兰各项尺寸。根据我国国情,扩大标准的使用范围。附录A采用GB/T3452.1-2005对线密封载荷δ值重新计算。增加1250、1600、1800、2000规格的线密封载荷值δ。根据我国国情选用国标GB/T3452.1-2005,计算得到δ值。附录B将表5、表6、表7合并成本标准的表B.1。图5、图6合并成本标准的图B.1。增加1250、1600、1800、2000规格的真空法兰内径及所需接管外径。简化附录中的图与表的结构,使内容更清楚、方便使用。根据我国国情,选用国标GB/T17395-1998作为真空接管外径的参考值。附录C作为资料性附录,列出了本标准与ISO1609:1986〔E条款的对照一览表。根据GB/T20000.2-2001的要求,增加了附录C。附录D作为资料性附录,给出了本标准与ISO1609:1986〔E技术性差异及其原因的一览表。根据GB/T20000.2-2001的要求,增加了附录D。法兰GB国标标准GB/T9113~GB9124—2000

法兰标准

GB/T9113.1~GB/T9113.26—1988

整体钢制管法兰〔1.6~42.0Mpa

GB/T9113.1~.2

整体钢制管法兰〔平面〔1.6~2.0Mpa

GB/T9113.3~.8

整体钢制管法兰

〔凸面〔1.6;2.5;4.0;2.0;5.0;10.0Mpa

GB/T9113.9~.15

整体钢制管法兰〔凹凸面〔1.6;2.5;4.0;5.0;10.0;15.0;25.0;Mpa

GB/T9113.16~.20

整体钢制管法兰〔榫槽面〔1.6;2.5;4.05.0;10.0Mpa

GB/T9113.21~.26

整体钢制管法兰〔环连接〔2.0;5.0;10.0;15.0;25.0;42.0Mpa

GB/T9115.1~.36―1988

平面对焊钢制管法兰〔0.25~42.0Mpa

GB/T9115.1~.5

〔平面对焊钢制管法兰〔0.25；0.6；1.0；1.6；2.0；Mpa

GB/T9115.6~.16

〔凸面对焊钢制管法兰〔0.25；0.6；1.0；1.6；2.5；4.0；2.0；5.0；10.0；15.0；25.0；Mpa

GB/T9115.17~.23

〔凹凸面对焊钢制管法兰〔1.6;2.5;4.0;5.0;10.0;15.0;25.0;Mpa

GB/T9115.24~30

〔榫槽面对焊钢制管法兰〔1.6;2.5;4.0;5.0;10.0;15.0;25.0;Mpa

GB/T9115.31~.36

〔环连接对焊钢制管法兰〔2.0;5.0;10.0;15.0;25.0;42.0Mpa

GB/T13402—1992

大口径碳钢管法兰

法兰規格表字体大小：大|中|小2008-01-0216:13-阅读：2030-评论：0尺寸規格外徑內徑厚中心孔大孔數尺寸規格外徑內徑厚中心孔大孔數1/2"5K8022.59601243"5K180901414519410K9522.5127015410K185901815019820K9522.5147015420K2009022160238150P8922.311.260.3154150P19090.723.9152.4194300P9522.314.366.7194300P21090.728.6168.3228DIN169522.51465154DIN162009020160198水道21190181681843/4"5K852810651244"5K2001161616519810K10028147