法兰标准尺寸表

..优选.法兰尺寸表三、JIS10K、16K、20K、30K、40K、63K、RF、FF法兰尺寸表表14JIS10K、RF、FF     mm公称通径外径螺栓孔中心圆直径连接凸出局部直径径法兰厚度连接局部凸出高度螺栓孔数量与直径螺栓直径DNDD1D2D3t*fn-dM2010075581914　1814-15122512590702514　1814-191640140105853816　2024-1916501551201005116　2024-1916651751401206118　2224-1916801851501307618　2228-191610021017515510218　2428-191612525021018512520　2428-232015028024021515222　2628-232020033029026520422　2628-232025040035532525424　30212-252230041540037530524　32316-2522 表15   JIS16K、RF、FF    mm公称通径外径螺栓孔中心圆直径连接凸出局部直径径法兰厚度连接局部凸出高度螺栓孔数量与直径螺栓直径DNDD1D2D3t*fn-dM2010075581914　1814-15122512560702514　1814-191640140105853816　2024-1916501551201005116　2028-1916651751401206418　2228-1916802001601357620　2428-232010022518516010222　2628-232012527022519512522　26212-252215030526023015224　28212-252220035030527520426　30212-252225043038034525428　34212-272430048043039530530　36316-2724 表16JIS20K、RF、FF    mm公称通径外径螺栓孔中心圆直径连接凸出局部直径径法兰厚度连接局部凸出高度螺栓孔数量与直径螺栓直径DNDD1D2D3t*fn-dM20100755819161814-151225125907025162014-1916401401058538182224-19165015512010051182228-19166517514012064202428-19168020016013576222628-2320100225185160102242828-23201252702251951252630212-25221503052602301522832212-25222003503052752043034212-25222504303803452543438212-27243004804303953053640316-2724     *t值中较小值为钢及可锻铸铁法兰；较大值为铸铁法兰。表17JIS30K、RF、FF  mm公称通径外径螺栓孔中心圆直径连接凸出局部直径径法兰厚度连接局部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18JIS40K、RF、FF公称通径外径螺栓孔中心圆直径连接凸出局部直径径法兰厚度连接局部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19JIS63K、RF、FF    mm公称通径外径螺栓孔中心圆直径连接凸出局部直径径法兰厚度连接局部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、JPI150、300、600RF、RJ法兰尺寸表 表20JPI150RF         mm公称通径外径螺栓孔中心圆直径连接凸出局部直径径法兰厚度连接局部凸出高度螺栓孔数量与直径螺栓直径DNDD1D2D3tfn-dM209870.0431912.71.64-15122510879.5512514.31.64-15124012798.5733817.51.64-151250152120.5925119.11.64-191665178139.51056422.31.64-191680190152.51277623.91.64-1916100229190.515710223.91.68-1916125254216.018612523.91.68-2220150279241.521615225.41.68-2220200343298.527020428.61.68-2220250406362.032425430.21.612-2522300483432.038130531.81.612-2522 表21JPI300RF     mm公称通径外径螺栓孔中心圆直径连接凸出局部直径径法兰厚度连接局部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22JPI600RF     mm公称通径外径螺栓孔中心圆直径连接凸出局部直径径法兰厚度连接局部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23JPI150RJ     mm公称通径外径螺栓孔中心圆直径连接凸出局部直径径梯形槽中心圆直径梯形槽深度梯形槽宽度法兰厚度连接局部凸出高度螺栓孔数量与直径螺栓直径DNDD1D2D3LFEtfn-dM2510879.563.52547.6258.7316.420.76.44-15124012798.582.63865.0888.8316.423.96.44-151250152120.5101.65182.5508.7316.425.56.44-151665178139.5120.664101.6008.7316.428.76.44-191680190152.5133.176114.3008.7316.430.36.44-1916100229190.5171.1102149.2258.7316.430.36.48-1916125254216.0193.7125171.1508.7316.430.36.48-2220150279241.5219.1152193.6758.7316.431.86.48-2220200343298.5273.0204247.6508.7316.4356.48-2220250406362.0330.2254304.2008.7316.436.66.412-2522300483432.0406.1305381.0008.7316.438.26.412-2522 表24JPI300RJ    mm公称通径外径螺栓孔中心圆直径连接凸出局部直径径梯形槽中心圆直径梯形槽深度梯形槽宽度法兰厚度连接局部凸出高度螺栓孔数量与直径螺栓直径DNDD1D2D3LFEtfn-dM2011782.563.51942.8628.7316.422.36.44-19162512489.069.82550.8008.7316.423.96.44-191640156114.590.53868.26211.9066.427.16.44-222050165127.0108.05182.55011.9068.028.78.08-191665190149.0127.064101.60011.9068.031.88.08-222080210168.0146.076123.82511.9068.0358.08-2220100254200.0174.6102149.22511.9068.038.28.08-2220125279235.0209.6125180.97511.9068.041.48.08-2220150318270.0241.3152211.13811.9068.0438.012-2220200381330.0301.6204269.87511.9068.047.78.012-2522250444387.0355.6254323.85011.9068.054.18.016-2927300521451.0412.8305381.00011.9068.057.28.016-3230 表25JPI600RJ    mm公称通径外径螺栓孔中心圆直径连接凸出局部直径径梯形槽中心圆直径梯形槽深度梯形槽宽度法兰厚度连接局部凸出高度螺栓孔数量与直径螺栓直径DNDD1D2D3LFEtfn-dM2011782.563.51942.8628.7316.422.36.44-19162512489.069.82550.8008.7316.423.96.44-191640156114.590.53868.2628.7316.428.76.44-222050165127.0108.05182.55011.9068.031.88.08-191665190149.0127.064101.60011.9068.035.08.08-222080210168.0146.076123.82511.9068.038.28.08-2220100270216.0174.6102149.22511.9068.044.58.08-2522125330266.5209.6125180.97511.9068.050.98.08-2927150356292241.3152211.13811.9068.054.18.012-2927200419349301.6200269.87511.9068.062.08.012-3230250508432355.6247.5323.85011.9068.069.98.016-3533300559489412.8298.5381.00011.9068.073.18.020-3533 五、德国DIN标准法兰尺寸表26PN16(1.6MPa)    mm公称通径外径螺栓孔中心圆直径连接凸出局部直径连接凸出局部高度法兰厚度螺栓孔数量与直径螺栓直径DNDD1D2fHn-dM159565452144-14122010575582164-14122511585682164-141232140100782184-181640150110882184-1816501651251023204-1816651851451223204-1816802001601383228-18161002201801583248-18161252502101883268-18161502852402123268-22202003402952683308-22202504053553203328-2624 表27PN40(4..0MPa)                    mm公称通径外径螺栓孔中心圆直径连接凸出局部直径连接凸出局部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、中国标准法兰尺寸1.凸面整体铸钢管法兰(/T79.1-94)图1凸面整体铸钢管法兰 表28PN1.6MPa        mm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dfNmaxSmaxR数量n螺纹Th.系列1/系列2159565144M1245214391242010575144M1255214441242511585144M12652144912432140/135100184M16782165612440150/145110184M16853166412450165/160125184M161003167412565185/180145184M161203189515580200/195160188M16135320110155100220/215180188M16155320130155125250/245210188M16185322161186150285/280240238M20210324186186(175)310270238M20240326215206200340/3352952312M20265326240206(225)3653252312M2029532626922625040535526/2512M24/M2232033029824830046041026/2512M24/M22375430348248 表29PN2.5MPa       mm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2螺栓、螺柱dfNmaxSmaxR数量n螺纹Th.系列1/系列2159565144M1245216391242010575144M1255216441252511585144M12652164912532140/135100184M16782186215540150/145110184M16853187015550165/160125184M161003208015565185/180145188M1612032210118680200/195160188M16135322116186100230190238M2016032413618612527022026/258M24/M2218832816922815030025026/258M24/M22218330198248(175)33028026/2512M24/M2224833222324820036031026/2512M24/M22278334252268(225)3953403012M273023362812882504253703012M2733233630628103004854303016M273904403603010 表30 PN4.0MPa   mm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2螺栓、螺柱dfNmaxSmaxR数量n螺纹Th.系列1/系列2159565144M1245216391242010575144M1255216441252511585144M12652164912532140/135100184M16782186215540150/145110184M16853187015550165/160125184M161003208015565185/180145188M1612032210118680200/195160188M16135322116186100235/230190238M2016032414020612527022026/258M24/M2218832816922815030025026/258M24/M22218330198248(175)3502953012M2725833423128102003753203012M272823382562810(225)4153553412M303153402853010250450/4453853412M303453423143210300515/5104503416M304084463683412        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；新产品应优先采用系列1尺寸。 2.凹凸面整体铸钢管法兰(/T79.2-94)图2凹凸面整体铸钢管法兰    mm表31PN4.0MPa    mm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dX系列1/系列2Y系列1/系列2ff1、f2NmaxSmaxR数量n螺纹Th.系列1/系列2159565144M124539402416391242010575144M125550512416441252511585144M1265575824164912532140/135100184M1678656624186215540150/145110184M1685757634187015550165/160125184M16100878834208015565185/180145188M16120109110342210118680200/195160188M161351201213422116186100235/230190238M2016014915034.52414020612527022026/258M2418817517634.52816922815030025026/258M24/M2221820320434.530198248(175)3502953012M2725823323434.53423128102003753203012M2728225926034.5382562810(225)4153553412M3031528628734.5402853010250450/4453853412M3034531231334.5423143210300515/5104503416M3040836336444.5463683412 表32      PN6.3MPa        mm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dX系列1/系列2Y系列1/系列2ff1、f2NmaxSmaxR数量n螺纹Th.系列1/系列21510575144M1255394024184515420130/12590184M1668505124205216525140/135100184M1678575824226118532155/150110234M2082656624246818540170/165125234M2095757634248020550180/175135234M20105878834269020565205/200160238M20130109110342811123680215/210170238M20140120121343012824610025020026/258M24/M2216814915034.532152266125295240308M2720217517634.536181288150345/340280348M3024020320434.538210308(175)3703103412M3027023323434.542239321020040534536/3412M33/M3030025926034.5442683410(225)43037036/3412M33/M3032528628734.546301381025047040036/4112M33/M3635231231334.548326381030053046036/4116M33/M3641236336444.5543844212 表33   PN10.0MPa        mm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dX系列1/系列2Y系列1/系列2ff1、f2NmaxSmaxR数量n螺纹Th.系列1/系列21510575144M1255394024204515420130/12590184M1668505124225417425140/135100184M1678575824246118432155/150110234M2082656624246818440170/165125234M209575763426802045019514526/254M24/M2211287883428942246522017026/258M24/M2213810911034321152558023018026/258M24/M221481201213434132265100265210308M2717214915034.538160305125315/310250348M3021017517634.542189326150355/3502903412M3025020320434.546222366(175)3803203412M3028023323434.54825138820043036036/4112M33/M3631225926034.554284428(225)4704004112M3635228628734.556313448250505/5004304112M3638231231334.56034648830058550042/4816M39/M4244236336444.5704085410 表34  PN16.0MPa       mm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dX系列2Y系列2ff1、f2NmaxSmaxR数量n螺纹Th.系列1/系列21511075184M165239402424491742013090234M2062505124265819425140100234M2072575824286520432165115254M2285656624307622540175125274M2492757634328824550215165258M221328788343610226565245190308M27152109110344413133880260205308M271681201213446148348100300240348M3020014915034.548172368125355285418M3623817517634.56021344101503903184112M3627020320434.5662464810(175)4603804812M4232523323434.57428756102004804004812M4234525926034.5783165810(225)5454505412M4839028628734.58234560102505804855412M4842531231334.58837864103006655705416M4851036336444.51004527610 表35 PN20.0MPa         mm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列2螺栓孔中心圆直径K螺栓孔直径L系列2双头螺柱dX系列2Y系列2ff1、f2NmaxSmaxR数量n螺纹Th.系列1/系列21512082234M205527282526511852013090234M2062343525286020525150102254M2272414225306721532160115254M2285495025327823540170124274M2490555635349025550210160258M221286970354010829565260203308M271659697354813736880290230348M301901151163554160408100360292418M3624513713836662045281253853184112M36270169170367623756101504403604812M4230518919036822706010(175)4753944812M42340213214368430163102005354405412M4838024424536923407010(225)5804835812M524182672683610037776102506705725816M52508318319361104489410    注：表31～35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尺寸与原机标法兰尺寸互换；新产品设计优先采用系列1尺寸。 3、榫槽面整体铸钢管法兰(/T79.3-94)图3榫槽面整体铸钢管法兰 表36PN4.0MPa         mm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dW系列1/系列2X系列1/系列2Y系列1/系列2Z系列1/系列2ff1、f2NmaxSmaxR数量n螺纹Th.系列1/系列2159565144M1245293940282416391242010575144M1255365051352416441252511585144M12654357584224164912532140/135100184M16785165665024186215540150/145110184M16856175766034187015550165/160125184M161007387887234208015565185/180145188M161209510911094342210118680200/195160188M161351061201211053422116186100235/230190238M2016012914915012834.52414020612527022026/258M24/M2218815517517615434.52816922815030025026/258M24/M2221818320320418234.530198248(175)3502953012M2725821323323421234.53423128102003753203012M2728223925926023834.5382562810(225)4153553412M3031526628628726534.5402853010250450/4453853412M3034529231231329134.5423143210300515/5104503416M3040834336336434244.5463683412 表37        PN6.3MPa            mm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dW系列1/系列2X系列1/系列2Y系列1/系列2Z系列1/系列2ff1、f2NmaxSmaxR数量n螺纹Th.系列1/系列21510575144M12552939402824184515420130/12590184M16683650513524205216525140/135100184M16784357584224226118532155/150110234M20825165665024246818540170/165125234M20956175766034248020550180/175135234M201057387887234269020565205/200160238M201309510911094342811123680215/210170238M20140106120121105343012824610025020026/258M24/M2216812914915012834.532152266125295240308M2720215517517615434.536181288150345/340280348M3024018320320418234.538210308(175)3703103412M3027021323323421234.542239321020040534536/3412M33/M3030023925926023834.5442683410(225)43037036/3412M33/M3032526628628726534.546301381025047040036/4112M33/M3635229231231329134.548326381030053046036/4116M33/M3641234336336434244.5543844212 表38       PN10.0MPa           mm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dW系列1/系列2X系列1/系列2Y系列1/系列2Z系列1/系列2ff1、f2NmaxSmaxR数量n螺纹Th.系列1/系列21510575144M12552939402824204515420130/12590184M16683650513524225417425140/135100184M16784357584224246118432155/150110234M20825165665024246818440170/165125234M2095617576603426802045019514526/254M24/M22112738788723428942246522017026/258M24/M22138951091109434321152558023018026/258M24/M221481061201211053434132265100265210308M2717212914915012834.538160305125315/310250348M3021015517517615434.542189326150355/3502903412M3025018320320418234.546222366(175)3803203412M3028021323323421234.54825138820043036036/4112M33/M3631223925926023834.554284428(225)4704004112M3635226628628726534.556313448250505/5004304112M3638229231231329134.56034648830058550042/4816M39/M4244234336336434244.570408541035065556048/5416M45/M484983954214223944576466581240071562048/5416M45/M4855844747347444645805206012     注：表36～38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尺寸与原机标法兰尺寸互换；新产品设计应优先采用系列1尺寸。