常用法兰规格尺寸表(国标、美标、日标)简介：本表格收集了国标、美标、日标常用法兰规格尺寸本表格收集了国标、美标、日标常用法兰规格尺寸GB9119，288GB9119，288公称通径公称通径in10kg=1.0MPa16kg=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1/4DN10506014414DN109060144141/2DN15596514414DN159565144143/4DN201057514416DN2010575144161DN251158514416DN2511585144161 1/4DN3214010018418DN32140100184181 1/2DN4015011018418DN40150110184182DN5016512518420DN50165125184202 1/2DN6518514518420DN65185145184203DN8020016018820DN80200160188203 1/3DN10022018018822DN100220180188224DN12525021018822DN125250210188225DN15028524022824DN150285240228246DN20034029522824DN200340295228268DN250395350221226DN25040535526122910DN300445400221228DN30046041026123212DN350505460221630DN35052047026163514DN400565515261632DN40058052530163816DN450615565262035DN45064058530204218DN500670620262038DN50071565033204620DN600780725262042DN600840770362052JIS标准JIS标准公称通径公称通径in10kg=1.0MPa16kg=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

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3/8DN10506014414DN109060144141/2DN15596514414DN159565144143/4DN20 1057514416DN2010575144161DN25 1158514416DN25115851441611/4 DN32 140 10018418DN321401001841811/2 DN40 150 11018418DN40150110184182DN50 165 12518420DN501651251842021/2 DN65 185 14518420DN65185145184203DN80 200 16018820DN802001601882031/2 DN100 220 18018822DN100220180188224DN125 250 21018822DN125250210188225DN150 285 24022824DN150285240228246DN200 340 29522824DN200340295228268DN250 395 350221226DN25040535526122910 DN300 445 400221228DN30046041026123212 DN350 505 460221630DN35052047026163514 DN400 565 515261632DN40058052530163816 DN450 615 565262035DN45064058530204218 DN500 670 620262038DN50071565033204620 DN600 780 725262042DN60084077036205224JIS 标准JIS 标准in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3/8DN10DN101/2DN15DN153/4DN20DN201DN25D

标准法兰尺寸DN15 公称直径DN 法兰内径d 规格法兰外径密封面垫片外径法兰中心圆直径C 数量螺丝孔直径所用螺丝厚度扳手CBM1012-81 管码5K 角钢15 22 备注80 9 48 CBM1013-81 60、7 10K 15 12 22 M10X35 95 12 17 CBM1014-81 52 16K 70 15 4 22 15 95 M14X45 12 22 CBM1015-81 52 般管码开孔比管码螺丝大1.5mm 70 20K 4 15 15 22 M14X45 95 22 14 CBM1016-81 22X6 52 40X40X5 70 30K X 15 22 15 M14X50 115 18 22 55 80 4 19 M16X60 24 DN20 公称直径DN 法兰内径d 法兰外径规格馕密封面垫片外径中心圆直径C 数量螺丝孔直径所用螺丝CBM1012-81 扳手管码5K 角钢20 备注27 85 10 CBM1013-81 52 20 10K 65 27 4 12 100 M10X35 14 17 58 CBM1014-81 70 16K 15 20 27 M14X45 100 22 14 般管码开孔比管码螺丝大1.5mm CBM1015-8120K 58 70 4 15 20 27 D M14X45 100 CBM1016-81 27X7 16 30K 58 40X40X5 20 75 27 4 15 120 M14X50 18 60 22 85 4 19 M16X55 24 DN25 公称直径DN 法兰内径d 规格法兰外径法兰密封面垫片外径中心圆直径C 螺孔数量螺丝孔直径所用螺丝厚度扳手CBM1012-81 管码角钢5K 25 34 备汪95 CBM1013-81 10 62 10K 75 25 34 4 12 125 M10X35 14 17 70 CBMIO14-81 90 16K 19 25 34 M16X45 125 24 14 CB

常用法兰规格尺寸表(国标、美标、日标)GB9119，288GB9119，288in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3/8 DN10506014414DN109060144141/2 DN15596514414DN159565144143/4 DN201057514416DN2010575144161DN251158514416DN25115851441611/4 DN3214010018418DN321401001841811/2 DN4015011018418DN40150110184182DN5016512518420DN501651251842021/2 DN6518514518420DN65185145184203DN8020016018820DN802001601882031/2 DN100 22018018822DN100 220180188224 DN125 25021018822DN125 250210188225 DN150 28524022824DN150 285240228246 DN200 34029522824DN200 340295228268 DN250 395350221226DN250 40535526122910 DN300 445400221228DN300 46041026123212 DN350 505460221630DN350 52047026163514 DN400 565515261632DN400 58052530163816 DN450 615565262035DN450 64058530204218 DN500 670620262038DN500 71565033204620 DN600 780725262042DN600 84077036205224JIS 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

(国标，美标)表中收集（国标、美标）常用法兰规格尺寸GB9119,288GB9119,28810kg=1.0MPa公称通径16kg=1.6MPa公称通径法兰外径in螺栓孔距螺栓法兰厚度螺栓法兰外径距螺栓孔螺栓直径螺栓法兰直径孔数孔数厚度3/8DN10506014414DN109060144141/2DN15596514414DN159565144143/4DN201057514416DN201057514416\DN251158514416DN2511585144161//4DN3214010018418DN32140100184181//：DN4015011018418DN40150110184182DN5016512518420DN50165125184202/2DN6518514518420DN65185145184203DN8020016018820DN80200160188203/2DN10022018018822DN100220180188224DN12525021018822DN125250210188225DN15028524022824DN15028524022824DN200634029522824DN200340295228268DN250395350221226DN25040535526122910DN300445100221228DN30046041026123212DN350505460221630DN350520470261635DN40014565515261632DN40058052530163816DN450615565262035DN45064058530204218DN500670620262038DN50071565033204620DN600780725262042DN600840770362052ANSI标准125型ANSI标准150型10kg=1.0MPa公称通径16kg=1.6MPa公称通径1n法兰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法兰厚外径孔数度3/8DN10DN101/2DN15DN153/4DN20DN20DN25DN251/4DN32DN321/2DN4012798.51641

法兰标准尺寸表三、JIS10K、16K、20K、30K、40K、63K、RF、FF法兰尺寸表表14JIS10K、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-dM20100755819141814-151225125907025141814-1916401401058538162024-19165015512010051162024-19166517514012061182224-19168018515013076182228-1916100210175155102182428-1916125250210185125202428-2320150280240215152222628-2320200330290265204222628-23202504003553252542430212-25223004154003753052432316-2522表15JIS16K、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16JIS20K、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

常用法兰规格尺寸表(国标）GB9119，288GB9119，28810kg=1.0MPa16kg=1.6MPa公称公称in法兰螺栓螺栓螺栓法兰法兰螺栓螺栓螺栓法兰通径通径外径孔距直径孔数厚度外径孔距直径孔数厚度3/8DN10506014414DN109060144141/2DN15596514414DN159565144143/4DN201057514416DN2010575144161DN251158514416DN25115851441611/DN3214010018418DN3214010018418411/DN4015011018418DN401501101841822DN5016512518420DN501651251842021/DN6518514518420DN651851451842023DN8020016018820DN802001601882031/DN10022018018822DN1002201801882224DN12525021018822DN125250210188225DN15028524022824DN150285240228246DN20034029522824DN200340295228268DN250395350221226DN25040535526122910DN300445400221228DN30046041026123212DN350505460221630DN35052047026163514DN400565515261632DN40058052530163816DN450615565262035DN45064058530204218DN500670620262038DN50071565033204620DN600780725262042DN600840770362052

公称通径DN 连接尺寸管子外径A 密封尺寸法兰管径D 系列1/系列2 法兰螺栓孔中心圆直径K 法兰内径B 螺栓孔直径L 系列1/系列2 法兰螺栓、螺柱理论厚度螺纹Th.系列1/系列2 数量d f 重量C n 10 14 kg 90 60 14 4 M12 40 2 15 12 15 18 0.46 95 65 14 4 M12 45 20 2 12 19 25 0.51 105 75 14 4 M12 55 25 2 14 26 32 0.75 115 85 14 4 M12 65 32 2 14 33 38 0.89 140/135 100 N 18 M16 78 2 40 16 39 45 1.40 150/145 110 18 4 M16 85 50 3 18 46 57 1.71 165/160 125 18 4 M16 100 65 3 18 59 73 2.09 185/180 145 18 4 M16 120 80 20 3 75 89 2.84 200/195 160 18 4 M16 135 100 3 20 91 108 3.24 220/215 180 18 8 M16 155 3 22 125 110 133 4.01 250/245 210 18 8 M16 185 150 3 24 135 159 5.40 285/280 240 23 8 M20 210 3 175 24 161 194 6.67 310 270 23 8 M20 240 200 24 3 219 196 7.44 340/335 295 23 9 M20 265 24 225 3 222 245 8.24 365 325 23 8 M20 295 250 24 3 273 248 395/390 9.30 350 23 12 M20 320 3 300 26 325 276 10.70 445/440 400 23 12 M20 368 350 28 1 377 328 505/500 12.90 460 23 16 M20 428 4 400 28 426 380 16.90 565 515 26/25 16 M24/M22 482 30 450 1 430 480 21.80 615 565 26/25 20 M24/M22 532 500 30 1 484 530 24.40 670 620 26/25 20 M24/M22 585 600 32 1 630 534 27.70 780

国标法兰尺寸对照表表凸面平焊钢制管法兰PN1.0MPa(10bar)MM连接尺寸密封尺寸法兰公称管子法兰法兰螺栓、螺柱理论法兰管径螺栓孔中心螺栓孔直径通径外径厚度内径重量D圆直径Ldf数量螺纹Th.DNACBkg系列1/系列2K系列1/系列2n系列1/系列210149060144M1240212150.4615189565144M1245212190.51202510575144M1255214260.75253211585144M1265214330.893238140/135100184M1678216391.404045150/145110184M1685318461.715057165/160125184M16100318592.096573185/180145184M16120320752.848089200/195160184M16135320913.24100108220/215180188M161553221104.01125133250/245210188M161853241355.40150159285/280240238M202103241616.67175194310270238M202403241967.44200219340/335295238M202653242228.24225245365325238M202953242489.30250273395/3903502312M2032032627610.70300325445/4404002312M2036842832812.90350377505/5004602316M2042842838016.9040042656551526/2516M24/M2248243043021.8045048061556526/2520M24/M2253243048424.4050053067062026/2520M24/M2258543253427.706006307807253020M2768553663439.407007208958403024M27800536715538008201015/10109503424M30905538817679009201115/111010503428M30100553891876参考100010201230/1220116036/

国标法兰尺寸规格如下图所是：法兰（Flange），又叫法兰凸缘盘或突缘。法兰是管子与管子之间相互连接的零件，用于管端之间的连接；也有用在设备进出口上的法兰，用于两个设备之间的连接，如减速机法兰。法兰连接或法兰接头，是指由法兰、垫片及螺栓三者相互连接作为一组组合密封结构的可拆连接。管道法兰系指管道装置中配管用的法兰，用在设备上系指设备的进出口法兰。

国 标 法 兰 尺 寸 对 照 表 表凸面平焊钢制管法兰 PN 1.0MPa(10bar)  MM 公称通径DN 管子外径A 连接尺寸密封尺寸法兰厚度C 法兰内径B 法兰管径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df数量n 螺纹 Th.系列 1/系列 2 10149060144M12402121515189565144M124521219202510575144M125521426253211585144M1265214333238140/135100184M1678216394045150/145110184M1685318465057165/160125184M16100318596573185/180145184M16120320758089200/195160184M1613532091100108220/215180188M16155322110125133250/245210188 M16185324135150159285/280240238M20210324161175194310270238M20240324196200219340/335295238M20265324222225245365325238M20295324248250273395/3903502312M20320326276300325445/4404002312M20368428328350377505/5004602316M2042842838040042656551526/2516M24/M2248243043045048061556526/2520M24/M2253243048450053067062026/2520M24/M225854325346006307807253020M276855366347007208958403024M278005367158008201015/10109503424M309055388179009201115/111010503428M30100553891876100010201230/1220116036/3428M30/M33111553810209011001120134012703628M331222540125120012201455/1450138039/4132M3613255441

常用法兰规格尺寸表(国标、美标、日标)关注次数:11336简介：本表格收集了国标、美标、日标常用法兰规格尺寸本表格收集了国标、美标、日标常用法兰规格尺寸GB9119，2—88GB9119，2—8810kg=1.0MPa16kg=1.6MPa公称公称in法兰螺栓螺栓螺栓法兰法兰螺栓螺栓螺栓法兰通径通径外径孔距直径孔数厚度外径孔距直径孔数厚度3/DN10506014414DN1090601441481/DN15596514414DN1595651441423/DN201057514416DN20105751441641DN251158514416DN25115851441611DN3214010018418DN3214010018418/411DN4015011018418DN4015011018418/22DN5016512518420DN501651251842021DN6518514518420DN6518514518420/23DN8020016018820DN802001601882031DN10022018018822DN10022018018822/24DN12525021018822DN125250210188225DN15028524022824DN150285240228246DN20034029522824DN200340295228268DN250395350221226DN25040535526122910DN300445400221228DN30046041026123212DN350505460221630DN35052047026163514DN400565515261632DN40058052530163816DN450615565262035DN45064058530204218DN500670620262038DN50071565033204620DN600780725262042DN600840770362052             JIS标准JIS标准10kg=1.0MPa16kg=1.6MPa公称公称in法兰螺栓螺栓螺栓法兰法兰螺栓