1、常用法蘭規格尺寸表（國標、美標、日標）GB9119,2-8810kg=1.0MPain公稱通螺栓螺栓螺栓孔法蘭徑孔距直徑數外徑3/8DN1050601441/2DN3/4DN21DN251158514411/4DN3214010018411/2DN42DN521/2DN65185145184DN81/2DN14DN1252502101885DN8DN2DN2510DN3212DN3514DN4616DN450618DN5020DN6024GB9119，28816kg=1.6MPa公稱通法蘭徑法蘭螺栓螺栓直螺栓徑法蘭厚度孔數厚度外徑孔距14DN10906014414DNDN216DN251158

2、51441618DN3214010018418DN40DN5020DN65185145184200DN8022DN12222DN1252502101882224DN82424DN22626DN252928DN323230DN353532DN4638DN454238DN500742DN6052irfkgJIS標準JIS標準10kg=1.0MPa16kg=1.6MPa公稱通公稱通in法蘭螺栓螺栓螺栓孔法蘭法蘭螺栓螺栓直螺栓法蘭厚度徑徑外徑孔距直徑數厚度外徑孔距徑孔數3/8DN10DN101/2DN15DN153/4DN20DN201DN25DN2511/4DN32DN3211/2DN46DN462

3、DN5DN5212DN6517514019418DN6517514019818/3DN88DN80200,1602282031/2DN98DN90JIS標準20kg=2.0MPa公稱通螺螺法蘭螺栓栓栓徑法蘭厚度外徑孔距直孑L徑數DN10DN15DN20DN25DN32DN48DN5DN6517514019820DN82DN944DN118DN15DN12525021023820DN1252702252586DN822DN128DN2222DN2210DN2524DN2512DN3624DN3614DN3526DN3516DN4628DN4618DN450DN45020DN500DN50024D

4、N600DN600ANSI標準125型ANSI標準150型10kg=1.0MPa16kg=1.6MPa公稱通公稱通in徑法蘭螺栓螺栓螺栓孔法蘭法蘭螺栓螺栓直螺栓徑徑外徑孔距直徑數厚度外徑孔距徑孔數3/8DN10DN101/2DN15DN153/4DN20DN201DN25DN2511/4DN32DN3211212798.516414.3DN4012798.5164/DN402DN50152120.519415.9DN50152121.519421/2DN65178139.519417.5DN65178139.51943DN80190152.519419.1DN80190152.51944DN1

5、00229190.519823.9DN100229190.51985DN125254216.522823.9DN125254216.52286DN150279241.522825.4DN150279241.52288DN200343298.522828.6DN200343298.522810DN250406362.5251230.2DN250406362.5251212DN3231.8DN3214DN350533476.5291235DN350533476.5291216DN400597539.5291636.6DN400597539.5291618DN450DN45020DN500DN500

6、24DN600DN6002222242628303438法蘭厚度17.519.122.323.923.923.925.428.630.231.83536.6DN124DN12527022525826DN1228DN2230DN2534DN3636DN3540DN4646DN450DN500DN600ANSI標準300型20kg=2.0MPa公稱通螺螺徑法蘭螺栓栓栓法蘭厚度外徑孔距直孔徑數DN10DN15DN20DN25DN32DN40156114.519418DN58DN6519014922820DN82DN124DN12527923522826DN150318270221228DN2230D

7、N250444387.5291634DN3636DN350584514.5322040DN400648571.5352046DN450DN500DN600國標(GB9112-9131-88)管法蘭連結尺寸表公稱通公稱壓力PNMPa(bar)徑DNm0.25(2.5)/0.6(6)1.0(10)1.6(16)2.5(25)2.0(20)DKnLDKnLDKnLDKnLDKnL4413098.516525165125165125150120.51846516580139.52082.5119022230190.51252425255216852436.522229534012345298.5255

8、3542537263454430485432356555491646550540164555783357352068815749.5367958496087542895248915190281281231171375132030561200329148501420321405134033/140015751520361675564036301630156062179017303616000401830176代號D-法蘭外徑mm；n-螺栓孔個數D1-法蘭螺栓孔中心圓直徑mmd-螺栓孔直徑mm;國標(GB9112913188)管法蘭連結尺寸表公稱公稱壓力PNMPa(bar)通徑DNm0.25(2.

9、5)/0.6(6)1.0(10)1.6(16)2.5(25)2.0(20)mDKnLDKnLDKnLDKnLDKnL40130100150110150110150110413098.516501401101416512541651254165125150120.51846516013041851451818514518185145180139.520190150190152.5802001602001602001601002101702201802201808235190822230190.5125240250250270255200182108210220216815026522582852

10、402852402230025026280241.522200320280340295340295360310345298.5122503753353953502240535512425370405362123026300440395124454004604102648543048543212350490445505460165204701655549016335354703040054049556551558052555054022620600163016450595550615565266405856706003663557833500645670715650337307006356002

11、06202020660202060075570526780725308407703684577039815749.5367008608108958409108409608754224242480097592024101595033102595039108599048900107510203011151050112510501185109028282811751230116036125511704213201000112028121013751320305612003214551380323914851390321530142032140513403348/1575152014003630167

12、5159036421685159036175516403616301560621790173036160040191518204048193018204056197518604018301760代號D-法蘭外徑mm；n-螺栓孔個數D-法蘭螺栓孔中心圓直徑mmd-螺栓孔直徑mm;口徑DNA501606518080195|100215125245150280200335250405300460|350520400580450640500705600840700910|8001020900112010001255國標標準法蘭尺寸比較表PN1.6MPa勺尺寸BCEH125100316145120318

13、160135320180155320210185322240210324295265326355320330410375430470435434525485436585545440650608444770718548840788550950898552105099855411701110556D螺栓184-M16184-M1618|8-M1618|8-M16188-M16238-M202312-M202512-M222512-M222516-M223016-M273020-M273420-M304124-M364124-M364124-M364128-M364828-M42PN2.5MPa勺尺

14、寸口徑DNABCE50160125100365|1801451203801951601353100230190160312527022018831503002502183200|360310278325042537033233004854303904350550490448440061055050544505554660600500|730660|610460084077071857009558758155800|10709909305900118010901025510001305121011405PN4.0MPa勺尺寸口徑DNABCGEF50160125100883465180145120

15、11034801951601351213410023019016015034.512527022018817534.515030025021820434.520037532028226034.525044538534531334.530051045040836444.53505705104654224540065558553547445450680610560524455007556706125764560089079573067856700995900825768568001135103096087656PN6.4MPa勺尺寸F口徑DNABCGE50175135105H8834H202222

16、242830343640444850525660646668H20222224283038424652586062626876H26D螺栓184-M1618|8-M168-M1618238-M20258-M22258-M222512-M223012-M273012-M273416-M303416-M303420-M304120-M364120-M364824-M4248|24-M425428-M485828-M52D螺栓|184-M16184-M16188-M16238-M20258-M22258-M223012-M273412-M303416-M30|3416-M304116-M364120

17、-M364820-M425420-M485424-M485824-M52螺栓234-M206520016080210170100250200125295240150340280200405345250470400300530460350595525400670585500800705600930820口徑DNAB501951456522017080230180100265210125310250150350290200430360250500430300585500350655560400715620口徑DNAB50215165652451908026020510030024012535528

18、5150390318200480400250580485130|1103428140121343016815034.532202|17534.53624020434.53830026034.54435231334.54841236444.5544754224560525|47445666405764570750|6785676PN10.0MPa的尺寸CGEFH112858122813811081232148115812341721458123821017581242250205812463122658125438213208126044237581270498|4201112765584801

19、11780PN16.0MPa尺寸CGEFH132958123615211081244168130812462001608124823819081260270205101466345275111778425330111788國標鋼制管法蘭制造標準|234-M20238-M20258-M22|308-M27348-M303412-M304112-M364116-M364116-M36|4816-M425420-M48|5820-M52D螺栓254-M22125258-M228-M22|308-M27|348-M303412-M304112-M364112-M364816-M425416-M4854

20、16-M48D螺栓258-M22308-M27308-M27348-M30418-M364112-M364812-M42法蘭種類密封面形式公稱壓力/Mpa公稱通徑管子外徑所屬系統標準編號整體法蘭螺紋法蘭對焊法蘭PN0.6、PN1.0、平面、突面、凹凸面、PN1.6、英制系列和米制系PN2.5、PN4.0、DN10-丿歐洲系統榫槽面PN6.3、DN2000列PN10.0、PN16.0PN2.0、PN5.0、GB/T9113.1-GB/T9113.4-2000PN11.0、平面、突面、凹凸面、PN15.0、PN26.0、DN15-丿英制系列美洲系統榫槽面、環連結面DN600PN42.0PN0.6、

21、PN1.0、突面PN1.6、DN10-丿英制系列歐洲系統PN2.5、PN4.0DN150GB/T9114-2000PN2.0、PN5.0、突面PN11.0、DN15-丿英制系列美洲系統PN15.0DN600PN0.25、PN0.6、平面、突面、凹凸面、PN1.0、英制系列和米制系PN1.6、PN2.5、DN10-丿歐洲系統榫槽面PN4.0、DN3000列PN6.3、PN10.0、PN16.0GB/T9115.1-GB/T9115.4-2000PN2.0、PN5.0、PN11.0、平面、突面、凹凸面、帶頸平焊法蘭帶頸承插焊法對焊環帶頸松套法蘭板式平焊法蘭對焊環板式松套法蘭PN15.0、PN26.

22、0、DN15-丿榫槽面、環連結面DN600PN42.0平面、突面、凹凸面、PN0.6、PN1.0、PN1.6、DN600DN10榫槽面PN2.5、PN4.0平面、突面、凹凸面、PN2.0、PN5.0、丿PN11.0、PN15.0、PN26.0DN15-DN600榫槽面、環連結面突面、凹凸面、榫槽PN2.0、PN5.0、PN11.0、DN15、DN80PN15.0、PN26.0面、環連結面PN2.0、PN5.0、PN11.0、丿突面、環連結面PN15.0、PN26.0、DN15-DN600PN42.0PN0.25、PN0.6、平面、突面PN1.0、DN10-丿PN1.6、PN2.5、DN2000

23、PN4.0、突面、凹凸面、榫槽PN1.0、PN1.6、PN2.5、PN4.0、DN10、DN600面英制系列美洲系統英制系列和米制系歐洲系統列GB/T9116.1-GB/T9116.4-2000英制系列美洲系統英制系列美洲系統GB/T9117.1-GB/T9117.4-2000英制系列美洲系統GB/T9118.1-GB/T9118.2-2000英制系列和米制系歐洲系統GB/T9119-2000列英制系列和米制系歐洲系統GB/T9120.1-GB/T9120.3-2000列平焊環板式松突面、凹凸面、榫槽PN0.6、PN1.0、PN1.6、英制系列和米制系DN10?DN600歐洲系統GB/T912

24、1.1?GB/T9121.3-2000套法蘭PN2.5、PN4.0翻邊環板式松英制系列和米制系突面PN0.6、PN1.0DN10?DN300歐洲系統GB/T9122-2000套法蘭PN0.25、PN0.6、PN1.0、平面、突面、凹凸面、PN1.6、PN2.5、PN4.0、DN10?DN2000歐洲系統榫槽面PN6.3、PN10.0、PN16.0法蘭蓋GB/T9123.1?GB/T9123.4-2000PN2.0、PN5.0、PN11.0、平面、突面、凹凸面、PN15.0、PN26.0、DN15?DN600美洲系統榫槽面、環連結面PN42.0國標鋼制管法蘭查驗標準：GB/T9124-2000國

25、標真空法蘭標準（2）圖1固定法蘭表1固定法蘭尺寸（mr）公稱通徑F*BHE*MCX螺栓Dnjs16H131012.240553086.60.6641617.245603586.60.6642022.250654086.60.6642526.255704586.60.6643234.2709055891844041.280100651291845052.290110751263701101309512918480831251451101291881001021451651301291881251271752001551611110816015320022518016111108200213260

26、285240161111012250261310335290161111012320318395425370201421212400400480510450201421216500501580610550201421216630651720750690241421220800800890920860241421224100010001090112010602414212321250125014041440134028192.516321600160017551790170530192.516321800180019401980192032242.520322000200022052245214

27、032242.52032*見。圖2卡鉗法蘭表2卡鉗法蘭尺寸（mr）公稱通徑F*LPrU*Wjs16H14B10S*h11h111012.26313015281617.26313520332022.26314025382526.26314530433234.26315540534041.21051.56550625052.21051.575607263701051.595809280831051.5110951071001021051.51301151271251271052.51551401501601531052.51801651752002131052.524022523525026110

28、52.5290275285320318157.52.5370355365400400157.54450435442500501157.5455053554263065156902010660680*見342。*見3.7。n-a*c均布圖3活套法蘭表3活套法蘭尺寸（mm）公稱通徑BHTVMQrK*CX螺栓DnH11H14js16B10H1310405530.132.183126.60.66416456035.137.183126.60.66420506540.142.183126.60.66425557045.147.183126.60.66432709055.557.5831291844080

29、10065.568.512509011075.578.5126311013095.598.51280125145110.5113.512100145165130.5133.512125175200155.7160.716160200225180.7185.716200260285240.7245.716250310335290.7295.716320395425370.8375.820400480510450.8458.820500580610550.8558.820630720750691701245.51.5395.51.5395.51.5395.51.5395.51.5396.52.55

30、116.52.55116.52.55116.52.55118.52.5514104814104814125101418418418418818811081108110121101221212212162121621220*卡環直徑K建議用以下公差：K=2mn為土0.02mmK=3mnr5mn為土0.025mmK=8mnr10mn為土0.030mm附錄A（規范性附錄）法蘭線密封載荷在以下使用條件下，法蘭的線密封載荷為5值（見圖A.1和表A.1）。式中：5n個螺栓以200N/mm應力均布施壓在膠圈上的線密封載荷，N/mm;n-螺栓數量；S螺栓截面面積mnf；di密封圈內徑mm；d2密封圈壓縮前截面

31、直徑mn。圖A.1一個螺栓與0形圈組合公稱通徑*5常用值mmN/mm10287.0016221.1720174.3825147.6732214.2840185.0650148.0763112.2680193.69100158.45125204.10*在GB/T169.523452.1-2005液壓氣動用0形橡膠密封圈第1部分：尺寸系列及公差中沒有此規格，該尺寸作為參考。*該值作為指導用，依據所采納密圭寸圈而不一樣樣。表A.1采納0形圈GB/T3452.115X1.820X1.825X2.6530X2.6538.5X2.6545X2.6556X3.5575X3.5587.5X3.55X5.3X5

32、.3X5.3法蘭線密封載荷及對應0形圈公稱通徑*5常用值mmN/mm200188.24250155.51320185.31400194.77500156.34630153.20800149.831000160.491250240.971600188.911800262.522000236.55采納0形圈GB/T3452.1X5.3X5.3X5.3412X7X7658.88X6.99*X7*1010X7*1260X10*1610X10*1810X12*2010X12*附錄B（規范性附錄）真空法蘭內徑及所需接收外徑此附錄給岀了真空法蘭的內徑及所需接收外徑。圖B.1真空法蘭與接收表B.1真空法蘭內徑

33、、接收外徑及管壁厚度（mm公稱通徑A*1012.21621617.22022022.22522526.23023234.23824041.24525052.2573637076380838931001021083125127133316015315932002132193250261267*332031832534004004063500501509*4630651660*5800800812*6100010001016*8125012501274*12160016001628*14180018001832*162036*2000200018do,to數值取自GB/T17395-1998無縫鋼

34、管尺寸、外形、重量及贊成誤差，作為指導用*在GB/T17395-1998中沒有此規格，該尺寸作為參照。附錄C(資料性附錄)本標準章條編號與ISO1609:1986(E)章條編號比較表C.1給出了本標準章條編號與ISO1609:1986(E)章條編號比較一覽表。表C.1本標準章條編號與ISO1609:1986(E)章條編號比較本標準章條編號對應的ISO1609:1986(E)章條編號3.43.43.53.63.53.73.63.83.73.93.8表A.1表4圖A.1圖4表B.1表5、表6、表7圖B.1圖5、圖6附錄C附錄D本標準的章條編號233.8表1附錄A附錄B附錄D(資料性附錄)本標準與I

35、SO1609:1986(E)技術性差別及其原由表D.1給出了本標準與ISO1609:1986(E)的技術性差別及其原由的一覽表。表D.1本標準與ISO1609:1986(E)技術性差別及其原由技術性差別原因在“規范性引用文件”一章中直接寫入引用的國家標準，并增添了GB/T以適應我國引用標準的規范。3452.1-2005，而ISO1609:1986(E)中增添附錄A中的引用文件。的參照資料內容毫無改變的保存了下來。刪除了ISO1609:1986(E)中的、這六項內容在表1、表2、表3及圖1、3.4、和圖2、圖3中已表示清楚。3.6。適應我國標準系統和語言習慣，并簡化采納國際標準的方法。國際標準中

36、，關于配合尺寸的引用標準狀況沒有做出說明。增添了3.8“配合尺寸”。依據GB/T1.1-2000的要求而增添。增添了1250、1600、1800、2000規格的依據我國國情，擴大標準的使用范圍。法蘭各項尺寸。采納GB/T3452.1-2005對線密封載荷5值從頭計算。依據我國國情采納國標GB/T3452.1-2005，計算獲得5值。增添1250、1600、1800、2000規格的線密封載荷值5。將表5、表6、表7歸并成本標準的表B.1。簡化附錄中的圖與表的構造，使內容更圖5、圖6歸并成本標準的圖B.1。清楚、方便使用。增添1250、1600、1800、2000規格的真依據我國國情，采納國標GB

37、/T空法蘭內徑及所需接收外徑。17395-1998作為真空接收外徑的參照值。作為資料性附錄，列出了本標準與ISO依據GB/T20000.2-2001的要求，增附錄C1609:1986（E）條款的比較一覽表。加了附錄Co作為資料性附錄，給出了本標準與ISO附錄D1609:1986（E）技術性差別及其原由的一依據GB/T20000.2-2001的要求，增加了附錄Do覽表。法蘭GB國標標準GB/T9113GB9122000法蘭標準GB/T9113.1GB/T9113.26-1988整體鋼制管法蘭(1.642.0Mpa)GB/T9113.1.2整體鋼制管法蘭(平面)(1.62.0Mpa)GB/T911

38、3.3.8整體鋼制管法蘭(凸面)(1.6;2.5;4.0;2.0;5.0;10.0Mpa)GB/T9113.9.15整體鋼制管法蘭（凹凸面)(1.6;2.5;4.0;5.0;10.0;15.0;25.0;Mpa)GB/T9113.16.20整體鋼制管法蘭(榫槽面)(1.6;2.5;4.05.0;10.0Mpa)GB/T9113.21.26整體鋼制管法蘭(環連結)(2.0;5.0;10.0;15.0;25.0;42.0Mpa)GB/T9115.1.361988平面對焊鋼制管法蘭(0.2542.0)MpaGB/T9115.1.5(平面)對焊鋼制管法蘭(0.25;0.6;1.0;1.6;2.0;Mp

39、aGB/T9115.6.16(凸面)對焊鋼制管法蘭(0.25;0.6;1.0;1.6;2.5;4.0;2.0;5.0;10.0;15.0;25.0;MpaGB/T9115.17.23(凹凸面)對焊鋼制管法蘭(1.6;2.5;4.0;5.0;10.0;15.0;25.0;Mpa)GB/T9115.2430（榫槽面）對焊鋼制管法(1.6;2.5;4.0;5.0;10.0;15.0;25.0;Mpa)GB/T9115.31.36蘭(2.0;5.0;10.0;15.0;25.0;42.0Mpa)GB/T134021992大口徑碳鋼管法蘭法蘭規格表字體大小：大|中|小2008-01-0216:13-閱讀

40、：2030-討論：0尺寸規分外徑內徑厚中心孔大孔數尺寸規分外徑內徑厚中心孔大孔數5K8022.59601245K94820K9522.5147015420K281/23150P8922.311.260.3154150P19090.723.9152.41948DIN169522.51465154DIN1628水道21190181681845K8528106512410K120K13/4150P9827.712.769.8154300P11727.715.182.5194DIN1615K9534.5107512410K12534.5149019420K12534.516901941150P1083

41、4.514.379.4154300P12434.517.590194DIN1611534.516851545K11543.5129015410K13543.51610019420K13543.5181001941150P11743.215.988.91541/4300P13343.219.198.4194DIN1614043.51610019415K125K29810K21820K225116241852384150P229116.123.9190.5198300P254116.131.8200228DIN16228水道238115.4181951845K2351421620019810K25

42、820K2785150P254143.823.9215.9228300P279143.835234.9228DIN16258水道263141.2192201865K2651671823019810K28820K35126150P279170.725.4241.3228300P318170.736.6269.92212DIN1628516722240238水道290166.620247186II5K3281/210K1420K14150P12749.517.598.4154300P15649.520.7114.3194DIN16945K13061.51410515410K15561.51612019420K15561.5181201982150P1526219.1120.6194300P1656222.3127228DIN1616561.518125194水道18461.1181401845K15577.51413015410K17577.51814019420K17577.5201401982150P17874.722.3139.71941/2300P19074.725.4149.2228DIN1618577.51814519410K330220K3502150P343