法兰标准尺寸表

法兰标准尺寸表三、 jis 10k 、16k 、20k 、30k 、40k 、63k 、rf 、ff法兰尺寸表表 14 jis 10k 、rf、ffmm精品资料公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接部分凸出高度螺栓孔数量与直径螺栓直径dndd1d2d3t*fn-dm20100755819141814-151225125907025141814-1916401401058538162024-19165015512010051162024-19166517514012061182224-19168018515013076182228-1916100210175155102182428-1916125250210185125202428-2320150280240215152222628-2320200330290265204222628-23202504003553252542430212-25223004154003753052432316-2522表 15jis 16k 、rf 、ffmm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接部分凸出高度螺栓孔数量与直径螺栓直径dndd1d2d3t*fn-dm20100755819141814-151225125607025141814-1916401401058538162024-19165015512010051162028-19166517514012064182228-19168020016013576202428-2320100225185160102222628-23201252702251951252226212-25221503052602301522428212-25222003503052752042630212-25222504303803452542834212-27243004804303953053036316-2724表 16 jis 20k 、rf、ffmm公称通径外径螺栓孔中连接凸出内径法兰厚度连接部分螺栓孔数螺栓直径心圆直径部分直径凸出高度量与直径dndd1d2d3t*fn-dm2010075581916 1814-15122512590702516 2014-191640140105853818 2224-1916501551201005118 2228-1916651751401206420 2428-1916802001601357622 2628-232010022518516010224 2828-232012527022519512526 30212-252215030526023015228 32212-252220035030527520430 34212-252225043038034525434 38212-272430048043039530536 40316-2724*t 值中较小值为钢及可锻铸铁法兰；较大值为铸铁法兰。表 17 jis 30k 、rf 、ffmm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接部分凸出高度螺栓孔数量与直径螺栓直径dndd1d2d3t*fn-dm201208560191814-1916251309570252014-19164016012090382224-232050165130105512228-191665200160130642628-232080210170140762828-23201002401951601023228-25221252752301951253628-252215032527523515238212-272420037032028020442212-272425045039034525448212-333030051545040530552316-3930表 18 jis 40k 、rf 、ff公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接部分凸出高度螺栓孔数量与直径螺栓直径dndd1d2d3t*fn-dm201208560192014-1916251309570252214-19164016012090382424-232050165130105512628-191665200160130643028-232080210170140763228-23201002502051651023628-25221253002502001254028-272415035529524015244212-333020040534529020050212-3330250475440355247.556212-3330300540470440298.560316-3936表 19 jis 63k 、rf 、ffmm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径连接部分法兰厚度凸出高度螺栓孔数量与直径螺栓直径dndd1d2d3tfn-dm25140100702227140-23204017513090353224-252250185145105483428-232065220175130573828-252280230185140734028-2522100270220165994428-27241253252652001215028-333015036530524014652212-333020042536029019058212-333025050043035523868212-393630056048541028377316-3936四、 jpi 150 、300 、600rf 、rj 法兰尺寸表表 20 jpi 150rfmm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接部分凸出高度螺栓孔数量与直径螺栓直径dndd1d2d3tfn-dm209870.0431912.715512514.315733817.51.64-151250152120.5925119.11.64-191665178139.51056422.31.64-191680190152.51277623.91.64-1916100229190.515710223.91.68-1916125254216.018612523.91.68-2220150279241.521615225.41.68-2220200343298.527020428.61.68-2220250406362.032425430.21.612-2522300483432.038130531.81.612-2522表 21 jpi 300rfmm公称通径螺栓孔中心外径圆直径连接凸出部分直径内径法兰厚度连接部分凸出高度螺栓孔数量与直径螺栓直径dndd1d2d3tfn-dm2011782.5431915.91.64-19162512489.0512517.51.64-191640156114.5733820.71.64-222050165127.0925122.31.68-191665190149.01056425.41.68-222080210168.01277628.61.68-2220100254200.015710231.81.68-2220125279235.018612535.01.68-2220150318270.021615236.61.612-2220200381330.027020441.31.612-2522250444387.532425447.71.616-2927300521451.038130550.81.616-3230表 22 jpi 600rfmm公称通径螺栓孔中心外径圆直径连接凸出部分直径内径法兰厚度连接部分凸出高度螺栓孔数量与直径螺栓直径dndd1d2d3tfn-dm2011782.5431922.31.64-19162512489.0512523.91.64-191640156114.5733828.71.64-222050165127925131.81.68-19166519014910564351.68-2220802101681277638.21.68-222010027321615710244.51.68-2522125330266.518612550.91.68-2927150356292.021615254.11.612-2927200419349270200621.612-3230250508432324247.569.91.616-3533300559489381298.573.11.616-3533表 23 jpi 150rjmm公称螺栓孔中外径通径心圆直径连接凸出部分直径梯形槽内径中心圆直径梯形梯形槽法兰槽宽深度厚度度连接部分凸出高度螺栓孔数量螺栓与直径直径dndd1d2d3lfetfn-dm2510879.563.52547.6258.7316.420.76582.63865.0888.8316.423.96.44-151250152120.5101.65182.5508.7316.425.56.44-1516101.6065178139.5120.6648.7316.428.76.44-19160114.3080190152.5133.17608.7316.430.36.44-1916100229190.5171.1102149.228.7316.430.36.48-19165125254216.0193.7125171.158.7316.430.36.48-22200150279241.5219.1152193.678.7316.431.86.48-22205200343298.5273.0204247.658.7316.4356.48-22200304.20250406362.0330.225408.7316.436.66.412-2522381.00300483432.0406.13058.7316.438.26.412-25220表 24 jpi 300rjmm连接凸梯形槽梯形公称外径螺栓孔中出部分内径中心圆梯形槽槽宽法兰连接部分螺栓孔数量螺栓通径心圆直径深度厚度凸出高度与直径直径直径直径度dndd1d2d3lfetfn-dm2011782.563.51942.8628.7316.422.36.44-19162512489.069.82550.8008.7316.423.96.44-191640156114.590.53868.26211.9066.427.16.44-222050165127.0108.05182.55011.9068.028.78.08-1916101.6065190149.0127.064011.9068.031.88.08-2220123.8280210168.0146.07611.9068.0358.08-22205100254200.0174.6102149.2211.9068.038.28.08-22205125279235.0209.6125180.9711.9068.041.48.08-22205150318270.0241.3152211.1311.9068.043887200381330.0301.620411.9068.047.7885250444387.0355.625411.9068.054.1800300521451.0412.830511.9068.057.28.016-32300表 25 jpi 600rjmm梯形连接部公称通径外径螺栓孔中心圆直径连接凸出部分直径内径梯形槽中心圆直径梯形槽深度槽宽度法兰厚度分凸出高度螺栓孔数量与直径螺栓直径dndd1d2d3lfetfn-dm2011782.563.51942.8628.7316.422.36.44-19162512489.069.82550.8008.7316.423.96.44-191640156114.590.53868.2628.7316.428.76.44-222050165127.0108.05182.55011.9068.031.88.08-191665190149.0127.064101.60011.9068.035.08.08-222080210168.0146.076123.82511.9068.038.28.08-2220100270216.0174.6102149.22511.9068.044.58.08-2522125330266.5209.6125180.97511.9068.050.98.08-2927150356292241.3152211.13811.9068.054.18.012-2927200419349301.6200269.87511.9068.062.08250508432355.65323.85011.9068.069.98300559489412.85381.00011.9068.073.18.020-3533五、德国 din 标准法兰尺寸表 26 pn16(1.6mpa)mm公称通外 螺栓孔中心圆直 连接凸出部分直连接凸出部分法兰厚 螺栓孔数量与直螺栓直径径径径高度度径径dndd1d2fhn-dm159565452144-14122010575582164-14122511585682164-141232140100782184-181640150110882184-1816501651251023204-1816651851451223204-1816802001601383228-18161002201801583248-18161252502101883268-18161502852402123268-22202003402952683308-22202504053553203328-2624表 27 pn40(4.0mpa)mm公称通径外径螺栓孔中心圆直径连接凸出部分直径连接凸出部分高度法兰厚度螺栓孔数量与直径螺栓直径dndd1d2fhn-dm159565452164-14122010575582184-14122511585682184-141232140100782184-181640150110882184-1816501651251023204-1816651851451223228-1816802001601383248-18161002351901623248-22201252702201883268-26241503002502183288-262420037532028533412-302725045038534533812-3330六、中国 jb 标准法兰尺寸1. 凸面整体铸钢管法兰 (jb/t79.1-94)图 1凸面整体铸钢管法兰表 28 pn1.6mpamm连 接 尺 寸密封面尺寸法兰颈公称通径 dn法兰外径 d 系螺栓孔中心圆螺栓孔直径 l双头螺柱螺纹 th.df法兰厚度 cnmaxsmaxr列 1/系系列 1/数量 n系列 1/列 2直径k系列2系列 2159565144m1245214391242010575144m1255214441242511585144m12652144912432140/13100184m167821656124540150/14110184m1685316641245165/1650125184m16100316741250185/1865145184m16120318951550200/1980160188m161353201101555220/21100180188m161553201301555250/24125210188m161853221611865285/281500240238m20210324186186(175)310270238m20240326215206200340/332952312m202653262402065(225)3653252312m2029532626922625040535526/2512m24/m3203302982482230046041026/2512m24/m37543034824822表 29 pn2.5mpamm连 接 尺 寸密封面尺寸法兰颈公称通径 dn法兰外径 d 系螺栓孔中心圆螺栓孔直径 l螺栓、螺柱螺纹 th.df法兰厚度 cnmaxsmaxr列 1/系系列 1/数量 n系列 1/列 2直径k系列2系列 2159565144m1245216391242010575144m1255216441252511585144m12652164912532140/13100184m167821862155540150/14110184m1685318701555165/16500125184m1610032080155185/1865145188m16120322101186080200/19160188m161353221161865100230190238m20160324136186m24/m12527022026/25818832816922822m24/25821833019824822m24/m(175)33028026/251224833222324822m24/m20036031026/251227833425226822(225)3953403012m273023362812882504253703012m2733233630628103004854303016m273904403603010表 30pn4.0mpamm公称通连 接 尺 寸密封面尺寸法兰厚法兰颈径 dn法兰外螺栓孔 螺栓孔螺栓、螺柱df度 cnmaxsmaxr径 d 系中心圆直径 l螺纹 th.列 1/系列 2直径k系列 1/系列 2数量n系列 1/系列 2159565144m1245216391242010575144m1255216441252511585144m12652164912532140/13100184m167821862155540150/14110184m168531870155550165/16125184m1610032080155018516120322101186200/19805160188m16135322116186235/231000190238m20160324140206m24/m12527022026/2582218832816922815030025026/258m24/m21833019824822(175)3502953012m2725833423128102003753203012m272823382562810(225)4153553412m303153402853010450/4425053853412m303453423143210515/5130004503416m304084463683412注：表 28 30 中系列 1 法兰连接尺寸与国标及德国法兰标准尺寸互换；系列2 尺寸与原机标准法兰尺寸互换；新产品设计应优先采用系列1 尺寸。2. 凹凸面整体铸钢管法兰 (jb/t79.2-94)图 2凹凸面整体铸钢管法兰mm表 31 pn4.0mpamm连 接 尺 寸密封面尺寸法兰颈螺栓螺栓公称法兰外孔中孔直通径径 d 系双头螺柱螺纹x 系列 1/y 系法兰列 1/厚度列 222k系列22159565144m124539402416391242010575144m125550512416441252511585144m1265575824164912532140/13100184m167865662418621555150/1440110184m168575763418701555165/1650125184m1610087883420801550185/1865145188m1612010911034221011860200/1980160188m1613512012134221161865235/23100190238m2016014915034.5241402060dn列 1/系心圆 径 l 系直径列 1/数量 th. 系列d n1/系列系列系列ff1、f2nmax smaxr c12527022026/258m2418817517634.528169228m24/