管道法蘭按與管子的連接方式可分為五種基本類型

管道法蘭按與管子的連接方式可分為五種基本類型:平焊法蘭、對(duì)焊法蘭、螺紋法蘭、承插焊法蘭、松套法蘭。法蘭的密封面型式有有多種，一般常用有凸面（RF）、凹面（FM）、凹凸面（MFM）、榫槽面（TG）、全平面（FF）、環(huán)連接面（RJ）。JIS10K、16K、20K、30K、40K、63K、RF、FF法蘭尺寸表JIS10K、RF、FFmm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3t*fn-dM20100755819141814-151225125907025141814-1916401401058538162024-19165015512010051162024-19166517514012061182224-19168018515013076182228-1916100210175155102182428-1916125250210185125202428-2320150280240215152222628-2320200330290265204222628-23202504003553252542430212-25223004154003753052432316-2522JIS16K、RF、FFmm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDDiD2D3t*fn-dM2010075581914 1814-1512

25125607025141814-1916401401058538162024-19165015512010051162028-19166517514012064182228-19168020016013576202428-2320100225185160102222628-23201252702251951252226212-25221503052602301522428212-25222003503052752042630212-25222504303803452542834212-27243004804303953053036316-2724JIS20K、RF、FFmm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDDiD2D3t*fn-dM20100755819161814-151225125907025162014-1916401401058538182224-19165015512010051182228-19166517514012064202428-19168020016013576222628-2320100225185160102242828-23201252702251951252630212-25221503052602301522832212-25222003503052752043034212-25222504303803452543438212-27243004804303953053640316-2724*t值中較小值為鋼及可鍛鑄鐵法蘭；較大值為鑄鐵法蘭。JIS30K、RF、FFmm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDDiD2D3t*fn-dM201208560191814-1916251309570252014-19164016012090382224-232050165130105512228-191665200160130642628-232080210170140762828-23201002401951601023228-2522

1252752301951253628-252215032527523515238212-272420037032028020442212-272425045039034525448212-333030051545040530552316-3930JIS40K、RF、FF公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3t*fn-dM201208560192014-1916251309570252214-19164016012090382424-232050165130105512628-191665200160130643028-232080210170140763228-23201002502051651023628-25221253002502001254028-272415035529524015244212-333020040534529020050212-3330250475440355247.556212-3330300540470440298.560316-3936JIS63K、RF、FFmm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDDiD2D3tfn-dM25140100702227140-23204017513090353224-252250185145105483428-232065220175130573828-252280230185140734028-2522100270220165994428-27241253252652001215028-333015036530524014652212-333020042536029019058212-333025050043035523868212-393630056048541028377316-3936

法蘭PN1.0MPa(10bar)MM子徑A連接尺寸密封尺寸法蘭厚度C法蘭內(nèi)徑B法蘭理論重量kg法蘭管徑D系列1/系列2螺栓孔中心圓直徑K螺栓孔直徑L系列1/系列2螺栓、螺柱df數(shù)量n螺紋Th.系列1/系列249060144M1240212150.4689565144M1245212190.51510575144M1255214260.75211585144M1265214330.898140/135100184M1678216391.405150/145110184M1685318461.717165/160125184M16100318592.093185/180145184M16120320752.849200/195160184M16135320913.2408220/215180188M161553221104.0133250/245210188M161853241355.4059285/280240238M202103241616.6794310270238M202403241967.4419340/335295238M202653242228.2445365325238M202953242489.3073395/3903502312M2032032627610.7025445/4404002312M2036842832812.9077505/5004602316M2042842838016.902656551526/2516M24/M2248243043021.808061556526/2520M24/M2253243048424.403067062026/2520M24/M2258543253427.70307807253020M2768553663439.4020_8958403024M2780053671553201015/10109503424M3090553881767201115/111010503428M30100553891876參考201230/1220116036/3428M33/M301115538102090參考20134012703628M331222540125參考201455/1450138039/4132M3613255441223143參考凸面平焊鋼制管法蘭PN1.6MPa(16bar)MM公稱通徑DN管子外徑A連接尺寸密封尺寸法蘭厚度C法蘭內(nèi)徑B法蘭理論重量kg法蘭管徑D系列1/系列2螺栓孔中心圓直徑K螺栓孔直徑L系列1/系列2螺栓、螺柱df數(shù)量n螺紋Th.系列1/系列210149060144M1240214150.5515189565144M1245214190.71202510575144M1255216260.87253211585144M1265218331.183238140/135100184M1678218391.604045150/145110184M1685320462.005057165/160125184M16100322592.616573185/180145184M16120324753.458089200/195160188M16135324913.71100108220/215180188M161553261104.80125133250/245210188M161853281356.47150159285/280240238M202103281617.92175194310270238M202403281968.81200219340/3352952312M2026533022210.102252453653252312M2029533024811.7025027340535526/2512M24/M2232033227615.7030032516041026/2512M24/M2237543232818.1035037752047026/2516M24/M2243543438023.304004265805253016M2748543843031.004504806405853020M2754544248440.20500530715/7056503420M3060844853455.7060063084077036/4120M33/M3671855063480.8070072091084036/4124M33/M36788550724106.28008201025/102095039/4124M36898552824130.59009201125/1120105039/4128M3699854492491參考100010201255117042/4828M39/M4211105461024127參考11001120137012804228M3912225501124160參考120012201485139048/5432M45/M4813255521224186參考凸面平焊鋼制管法蘭PN2.5MPa(25bar)MM公稱管子連接尺寸密封尺寸法蘭法蘭法蘭

通徑DN外徑A法蘭管徑D系列1/系列2螺栓孔中心圓直徑K螺栓孔直徑L系列1/系列2螺栓、螺柱df厚度C內(nèi)徑B理論重量kg數(shù)量n螺紋Th.系列1/系列210149060144M1240216150.6415189565144M1245216190.80202510575144M1255218260.99253211585144M1265218331.183238140/135100184M1678220391.964045150/145110184M1685322462.605057165/160125184M16100324592.716573185/180145188M16120324753.228089200/195160188M16135326914.06100108235/230190238M201603281106.0012513327022026/258M24/M221883301358.2615015930025026/258M24/M2221833016110.4017519433028026/2512M24/M2224833219611.9020021936031026/2512M24/M2227833222214.502252453953403012M2730233424817.002502734253703012M2733233427618.903003254854303016M2739043632826.80350377555/5504904016M3044844238034.35400426620/61055036/3416M33/M3050544443044.90450480670/66060036/3420M33/M3055544848451.9250053073066036/3420M33/M3661045253467.30600630845/8407704120M3671855663495.20700720960/95587542/4824M39/M428155607241168008201085/10709904824M45/M42930564824150.29009201185/1180109048/5428M45/M481025558924160參考100010201320/1305121055/5828M5211405621024210參考11001124142513155528M5212455661124260參考120012201530/1525142055/5832M5213505701224300參考帶頸平焊鋼制管法蘭PN1.0MPa（10壓力）

公稱通徑鋼管外徑A1連接尺寸密封面尺寸法蘭厚度法蘭內(nèi)徑B1法蘭頸法蘭高度坡口寬度法蘭理論重量突面凸面凹面NRAB法蘭管螺栓孔中心圓螺栓孔螺栓孔螺紋df1xf2Yf3ABABDN徑D直徑K直徑L數(shù)量nTh.xCHbkg1017.2149060144M12412344353141815303032240.651521.3189565144M12462394403142219353532240.722026.92510575144M125625045131627.526454542641.032533.73211585144M126525745831634.533525242851.243242.438140100184M167626546631843.539606053052.024048.345150110184M168427547631849.546707053252.365060.357165125184M169928748832061.559848453453.086576.176185145184M161182109411032077.57810410463263.668088.989200160188M161322120412132090.59111811863464.08100114.3108220180188M1615621494.51503.52211611014014064065.40125139.7133250210188M1618421754.51763.522141.5'356816864467.01150168.3159285240228M2021122034.52043.524170.5'619519584469.10200219.1219340295228M2026622594.52603.524221.5:!22Z!46246844810.62502732733953502212M2031923124.53133.526276.5:76Z!9829810461013.4300323.93254454002212M2037023634.53643.526327.5:!28:5035010461115.4350355.63775054602216M2042924215422426359.5381400412I0(>31220.5400406.44265655152616M24480247354744264114304564751057227.64504574806155652620M24530252355244284624855025251263231.15005085306706202620M2458225755576428513.553555958112(>71238.16006106307807253020M2768226755676428616.5636658678|2j751248.1帶頸平焊鋼制管法蘭PN1.6Mpa(16bar)公稱通徑DN鋼管外徑A1連接尺寸密封面尺寸法蘭厚度C法蘭內(nèi)徑B1法蘭頸法蘭高度H坡口寬度b法蘭理論重量kg突面凸面凹面NRAB法蘭管徑D螺栓孔中心圓直徑K螺栓孔直徑L螺栓孔數(shù)量n螺紋Th.df1xf2xYf3ABAB

1017.2149060144M12412344353141815303032240.651521.3189565144M12462394403142219353532240.722026.92510575144M125625045131627.526454542641.032533.73211585144M126525745831634.533525242851.243242.438140100184M167626546631843.539606053052.024048.345150110184M168427547631849.546707053252.365060.357165125184M169928748832061.559848453453.086576.176185145184M161182109411032077.57810410463263.668088.989200160188M161322120412132090.59111811863464.08100114.3108220180188M1615621494.51503.5；2211611014014064065.40125139.7133250210188M1618421754.51763.5；2241.5135-6816864467.01150168.3159285240228M2021122034.52043.5；2470.5161-9519584469.10200219.12193402952212M2027422594.52603.5；24L?21.5:!222!46246844810.32502732734053552612M2433023124.53133.5；26:?76.5:762!9829810461014.3300323.93254604102612M2438923634.53643.5；28:327.53528315035010531118.8350355.63775204702616M2444824215422430359.538140041210J571225.2400406.44265805253016M275032473547443241143045647510631234.84504574806405853020M275482523552443446248550252512681241.25005085307156503320M30x260925755576434513.553555958112，31254.96006106308407703620M33x272026755676436616.563665867812JJ31277.0HG20592-97帶頸平焊鋼制管法蘭PN2.5Mpa(25bar)公稱通徑DN鋼管外徑A1連接尺寸密封面尺寸法蘭厚度C法蘭內(nèi)徑B1法蘭頸法蘭高度H坡口寬度b法蘭理論重量kg突面凸面凹面NRAB法蘭管徑D螺栓孔中心圓直徑K螺栓孔直徑L螺栓孔數(shù)量n螺紋Th.df1xf2xYf3ABAB1017.2149060144M12412344353141815303032240.651521.3189565144M12462394403142219353532240.722026.92510575144M125625045131627.526454542641.032533.73211585144M126525745831634.533525242851.243242.438140100184M167626546631843.539606053052.024048.345150110184M168427547631849.546707053252.365060.357165125184M169928748832061.559848453453.086576.176185145188M16

、400、600、900、1500、2500RJ法蘭尺寸表mm栓孔中圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度梯形槽中心圓直徑梯形槽深度梯形槽寬度螺栓孔數(shù)量與直徑螺栓直徑DiD2D3tfLEFn-dM79.563.52520.76.447.66.48.74-151298.582.63823.96.465.16.48.74-1512120.5101.65125.56.482.66.48.74-1916139.5120.66428.76.4101.66.48.74-1916152.5133.47630.36.4114.36.48.74-1916190.5171.410230.36.4149.26.48.78-1916216193.712730.36.4171.56.48.78-2320241.5219.115231.86.4193.66.48.78-2320298.5273203356.4247.76.48.78-2320362330.225436.66.4304.86.48.712-2522432406.430538.26.43816.48.712-2522mm栓孔中圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度梯形槽中心圓直徑梯形槽深度梯形槽寬度螺栓孔數(shù)量與直徑螺栓直徑D1D2D3tfLEFn-dM82.563.51922.36.442.96.48.74-19168969.82523.96.450.86.48.74-191614.590.53827.16.468.36.48.74-23201271085130.3882.6811.98-19161491276433.48101.6811.98-23201681467636.68123.8811.98-2320200174.610246.18149.2811.98-2320235209.6127438181.0811.98-2320270241.315244.68211.1811.912-2320330301.620349.38269.9811.912-252287.5355.625455.78323.9811.916-3027451412.530558.88381811.916-3330mm螺栓孔中連接凸出內(nèi)徑法蘭厚連接凸出部梯形槽中梯形槽深度梯形槽螺栓孔數(shù)量與螺栓

通徑心圓直徑部分直徑度分高度心圓直徑寬度直徑直徑DNDD1D2D3tfLEFn-dM2011782.563.51922.36.442.96.48.74-1916251248969.82523.96.450.86.48.74-191640156114.590.53828.76.468.36.48.74-2220501651271085133.4882.6811.98-1916651901491276436.68101.6811.98-2220802101681467639.68123.8811.98-2220100273216174.610246.18149.2811.98-2222125330266.5209.612752.58181.0811.98-2527150356292241.315255.78211.1811.912-3230200419349301.620063.68269.9811.912-3633250508432355.624871.58323.9811.916-3633300559489412.829874.78381.0811.920-3633900RJmm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度梯形槽中心圓直徑梯形槽深度梯形槽寬度螺栓孔數(shù)量與直徑螺栓直徑DNDDiD2D3tfLEFn-dM80241190.5155.67346.18123.8811.98-25201002922351819952.58149.2811.98-3330125349279.5215.912158.58181.0811.98-3532150381317.5241.314663.68211.1811.912-3330200470393.530819171.58270.0811.912-393625054647036223877.98323.9811.916-3936300610533.5419.128287.48381.0811.920-3936ANSI1500RJmm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度梯形槽中心圓直徑梯形槽深度梯形槽寬度螺栓孔數(shù)量與直徑螺栓直徑DNDDiD2D3tfLEFn-dM25149101.571.422356.450.86.48.74-25224017812492.13538.26.468.36.48.74-302750216165123.84846.1895.3811.98-252265244190.5136.55749.38108811.98-302780267203168.57055.78136.5811.98-3330100311241.5193.792628162811.98-3633125375292228.611181.18193.7811.98-4239150394317.5247.613692.29.6211.19.613.512-3936200483393.5317.5178103.311.227011.216.712-4542

250584482.5371.5222119.211.2323.911.216.712-5148300673571.5438.2264138.214.338114.323.016-5552ANSI2500RJmm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度梯形槽中心圓直徑梯形槽深度梯形槽寬度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3tfLEFn-dM2515910882.61941.46.460.36.48.74-252240203146114.32852.5882.6811.94-333050235171.5133.43858.88101.6811.98-302765267197149.24866.89.6111.19.613.58-333080305228.5168.35776.39.61279.613.58-3633100356273203.27387.411.2157.111.216.78-4239125419324241.392104.812.7190.512.719.88-4845150483368.5279.4111120.712.7228.612.719.88-5552200552438339.7146141.714.3279.414.323.012-5552250673539.5425.5184182.617.5342.617.530.212-6764300762619495.3219201.717.5406.417.533.412-7472JPI150、300、600RF、RJ法蘭尺寸表JPI150RFmm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3tfn-dM209870.0431912.715512514.315733817.51.64-151250152120.5925119.11.64-191665178139.51056422.31.64-191680190152.51277623.91.64-1916100229190.515710223.91.68-1916125254216.018612523.91.68-2220150279241.521615225.41.68-2220200343298.527020428.61.68-2220250406362.032425430.21.612-2522300483432.038130531.81.612-2522JPI300RFmm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDDiD2D3tfn-dM2011782.5431915.91.64-19162512489.0512517.51.64-191640156114.5733820.71.64-222050165127.0925122.31.68-191665190149.01056425.41.68-222080210168.01277628.61.68-2220100254200.015710231.81.68-2220125279235.018612535.01.68-2220150318270.021615236.61.612-2220200381330.027020441.31.612-2522250444387.532425447.71.616-2927300521451.038130550.81.616-3230JPI600RFmm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDDiD2D3tfn-dM2011782.5431922.31.64-19162512489.0512523.91.64-191640156114.5733828.71.64-2220

50165127925131.81.68-19166519014910564351.68-2220802101681277638.21.68-222010027321615710244.51.68-2522125330266.518612550.91.68-2927150356292.021615254.11.612-2927200419349270200621.612-3230250508432324247.569.91.616-3533300559489381298.573.11.616-3533JPI150RJmm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑梯形槽中心圓直徑梯形槽深度梯形槽寬度法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3LFEtfn-dM2510879.563.52547.6258.7316.420.76582.63865.0888.8316.423.96.44-151250152120.5101.65182.5508.7316.425.56.44-151665178139.5120.664101.6008.7316.428.76.44-191680190152.5133.176114.3008.7316.430.36.44-1916100229190.5171.1102149.2258.7316.430.36.48-1916125254216.0193.7125171.1508.7316.430.36.48-222015027