国外法兰标准尺寸表
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法兰标准尺寸表一、ANSI150、300、400、600、900、1500、2500RF法兰尺寸表(美標)二、ANSI 150、300、600、900、1500、2500RJ法兰尺寸表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凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径DN D D1D2D3t f L E F n-d M 2510879.563.52520.7 6.447.6 6.48.74-1512 4012798.582.63823.9 6.465.1 6.48.74-1512 50152120.5101.65125.5 6.482.6 6.48.74-1916 65178139.5120.66428.7 6.4101.6 6.48.74-1916 80190152.5133.47630.3 6.4114.3 6.48.74-1916 100229190.5171.410230.3 6.4149.2 6.48.78-1916 125254216193.712730.3 6.4171.5 6.48.78-2320 150279241.5219.115231.8 6.4193.6 6.48.78-2320 200343298.527320335 6.4247.7 6.48.78-2320 250406362330.225436.6 6.4304.8 6.48.712-2522 300483432406.430538.2 6.4381 6.48.712-2522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凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径DN D D1D2D3t f L E F n-d M 2011782.563.51922.3 6.442.9 6.48.74-1916 251248969.82523.9 6.450.8 6.48.74-1916 40156114.590.53827.1 6.468.3 6.48.74-2320 501651271085130.3882.6811.98-1916 651901491276433.48101.6811.98-2320250673539.5425.5184182.617.5342.617.530.212-6764 300762619495.3219201.717.5406.417.533.412-7472三、JIS 10K、16K、20K、30K、40K、63K、RF、FF法兰尺寸表(日標)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凸出部分高度螺栓孔数量与直径螺栓直径DN D D1D2D3t﹡f n-d M 2010075581914/ 18 14-1512 2512590702514 /18 14-1916 40140105853816 /20 24-1916 501551*********/ 20 24-1916 651751*********/ 22 24-1916 801851501307618 /22 28-1916 10021017515510218/ 24 28-1916 12525021018512520/ 24 28-2320 15028024021515222 / 26 28-2320 20033029026520422/ 26 28-2320 25040035532525424/ 30 212-2522 30041540037030524/ 32 316-2522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凸出部分高度螺栓孔数量与直径螺栓直径DN D D1D2D3t﹡f n-d M 2010075581914/ 18 14-1512 2512560702514 /18 14-19161253252652001215028-3330 15036530524014652212-3330 20042536029019058212-3330 25050043035523868212-3936 30056048541028377316-3936四、JPI 150、300、600RF、RJ法兰尺寸表RJ法兰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凸出部分高度螺栓孔数量与直径螺栓直径DN D D1D2D3t f n-d M 209870.0431912.7 1.64-1512 2510879.5512514.3 1.64-1512 4012798.5733817.5 1.64-1512 50152120.5925119.1 1.64-1916 65178139.51056422.3 1.64-1916 80190152.51277623.9 1.64-1916 100229190.515710223.9 1.68-1916 125254216.018612523.9 1.68-2220 150279241.521615225.4 1.68-2220 200343298.527020428.6 1.68-2220 250406362.032425430.2 1.612-2522 300483432.038130531.8 1.612-2522公称通径外径螺栓孔中心圆连接凸出部分内径法兰厚度连接凸出部分螺栓孔数量与螺栓直径65190149.0127.064101.60011.9068.035.08.08-2220 80210168.0146.076123.82511.9068.038.28.08-2220 100270216.0174.6102149.22511.9068.044.58.08-2522 125330266.5209.6125180.97511.9068.050.98.08-2927 150356292241.3152211.13811.9068.054.18.012-2927 200419349301.6200269.87511.9068.062.08.012-3230 250508432355.6247.5323.85011.9068.069.98.016-3533 300559489412.8298.5381.00011.9068.073.18.020-3533五、德国DIN标准法兰尺寸PN16 PN40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DN D D1D2f H n-d M 159565452144-1412 2010575582164-1412 2511585682164-1412 32140100782184-1816 40150110882184-1816 501651*********-1816 651851*********-1816 802001601383228-1816 1002201801583248-1816 1252502101883268-1816 1502852402123268-2220 2003402952683308-2220 2504053553203328-2624表27 PN40(4.0MPa) mm。
法兰标准尺寸表一、ANSI150、300、400、600、900、1500、2500RF法兰尺寸表(美標)公称通径外径中心圆直径出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M2098704321282027381353162291.6154122510879.551273525345149145617 1.615412 321188963.5354332426059165721 1.615412 4012798.573415040486765186222 1.615412 50152120.59253625060.58378196425 1.619416 65178139.5105637565739591247029 1.619416 80190152.512778918089108108247030 1.619416100229190.51571021161001141401352476333051.619816125254216186128144125141165164248937 1.6238M20 150279241.5216154171150168197192258940 1.6238M20 200343298.52702032212002192482462910244 1.6238M20 2504063623242552762502733053053010249 1.62512M22 3004834323813053273003243653653211456 1.62512M22表2 ANSI 300RF mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度连接凸出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M2011782.54321282027481657252291.619416251248951273525345454176227 1.619416 3213398.464354332426464196527 1.619416 40156114.573415040487070216830 1.623420 5016512792536250608484227033 1.619816 6519114910563756573100100257638 1.623820 8021016812778918089117117297943 1.6238201002542001571021161001141461463286483051.623820125279235186128144125141178178359851 1.623820 150318270216154171150168206206379852 1.6231220 2003813302702032212002192602604111162 1.6251222 250445387.53242552762502733213214811767 1.6301627 3005214513813053273003243753755113073 1.6331630公称通径外径中心圆直径出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M2011782.543按用户要求282027482264322356.4194162512489513525345454246833 6.419416 3213398644332426464277335 6.419416 40156114735040487070297638 6.423420 50165127926250608484327943 6.419816 65191149105756573100100358648 6.423820 80210168127918089117117388952 6.4238201002542001571161001141461464195573116.4258221252792351861441251411781784510860 6.425822 1503182702161711501682062064811064 6.4251222 2003813302702212002192602605412475 6.4301227 2504453873242762502733213216013079 6.4331630 3005214513813273003243753756414386 6.4351632表4 ANSI 600RF mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度连接凸出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M2011782.543按用户要求282027482264322356.4194162512489513525345454246833 6.419416 3213398644332426464277335 6.419416 40156114.5735040487070297638 6.423420 50165127926250608484327943 6.419816 65191149105756573100100358648 6.423820 80210168127918089117117388952 6.423820100273 216 157116********* 152 45108573116.425822125330 266.5 186144125141191 189 5112167 6.430827 150356 292 216171150168222 222 5412473 6.4331230 200419 349 270221200219273 273 6214083 6.4361233 250508 432 324276250273343 343 7015992 6.4361633 300559 489 381327300324400 400 7316298 6.4362033公称通径外径中心圆直径出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M201308943按用户要求282027443276412356.42342025149101.5513525345252357948 6.425422 321591116443324263.564357948 6.425422 40178124735040487070388951 6.430427 50216165926250601051054510864 6.425822 65244190.51057565731241244811170 6.430827 80241190.51279180891271274510860 6.425822100292235 15711610011415915951121763116.433830125349279.5186144125141190.51915813386 6.436833 150381317.52161711501682352356214692 6.4331230 200470393.527022120021929829870168108 6.4391236 25054647032427625027336836876191114 6.4391636 300610533.538132730032441941986206124 6.4392036表6 ANSI 1500RF mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度连接凸出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M201308943按用户要求28202744.53276412356.42342025149101.5513525345252357948 6.425422 321591116443324263.563.5357948 6.425422 40178124735040487070398951 6.430427 50216165926250601051054510864 6.425822 65244190.51057565731241244811170 6.430827 80267203127918089133133 54 12479 6.433830100311241.5157116100114162162 61 130973116.435832125375292186144125141197170 80 162111 6.442839 150394317.5216171150168229229 89 178125 6.4451242 200483393.5270221200219292292 99 219149 6.4451242250584482.5324276250273368368115 260165311∫5146.4511248300673571.5381327300324451451131 289187 6.4551652表7 ANSI 2500RF mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度连接凸出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M201409843按用户要求282027513886492356.42342025159108513525345757419554 6.4254223218413063.5433242737345102593116.430427402031467350404879795111867 6.433430 50235171.59262506095955713376 6.430827 652671971057565731141146414986 6.433830 80305228.51279180891331337317598 6.436833 10035627315711610011416516583197114 6.442839 12541932418614412514120320398235137 6.448845 150483368.5216171150168235235114279159 6.455852 200552438270221200219305305133324184 6.4551252250673539.5324276250273375375172426235311∫5146.4671264300762619381327300324441441191470260 6.4751272二、ANSI 150、300、600、900、1500、2500RJ法兰尺寸表表8 ANSI 150RJ mm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凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径DN D D1D2D3t f L E F n-d M 2510879.563.52520.7 6.447.6 6.48.74-1512 4012798.582.63823.9 6.465.1 6.48.74-1512 50152120.5101.65125.5 6.482.6 6.48.74-1916 65178139.5120.66428.7 6.4101.6 6.48.74-1916 80190152.5133.47630.3 6.4114.3 6.48.74-1916 100229190.5171.410230.3 6.4149.2 6.48.78-1916 125254216193.712730.3 6.4171.5 6.48.78-2320 150279241.5219.115231.8 6.4193.6 6.48.78-2320 200343298.527320335 6.4247.7 6.48.78-2320 250406362330.225436.6 6.4304.8 6.48.712-2522 300483432406.430538.2 6.4381 6.48.712-2522表9 ANSI 300RJ mm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凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径DN D D1D2D3t f L E F n-d M 2011782.563.51922.3 6.442.9 6.48.74-1916 251248969.82523.9 6.450.8 6.48.74-1916 40156114.590.53827.1 6.468.3 6.48.74-2320 501651271085130.3882.6811.98-1916 651901491276433.48101.6811.98-2320 802101681467636.68123.8811.98-2320 100254200174.610246.18149.2811.98-2320 125279235209.6127438181.0811.98-2320 150318270241.315244.68211.1811.912-2320 200381330301.620349.38269.9811.912-2522 250444387.5355.625455.78323.9811.916-3027 300521451412.530558.88381811.916-3330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凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径DN D D1D2D3t f L E F n-d M 2011782.563.51922.3 6.442.9 6.48.74-1916 251248969.82523.9 6.450.8 6.48.74-1916 40156114.590.53828.7 6.468.3 6.48.74-2220 501651271085133.4882.6811.98-1916 651901491276436.68101.6811.98-2220 802101681467639.68123.8811.98-2220 100273216174.610246.18149.2811.98-2222 125330266.5209.612752.58181.0811.98-2527 150356292241.315255.78211.1811.912-3230 200419349301.620063.68269.9811.912-3633 250508432355.624871.58323.9811.916-3633 300559489412.829874.78381.0811.920-3633表11 ANSI 900RJ mm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凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径DN D D1D2D3t f L E F n-d M 80241190.5155.67346.18123.8811.98-2522 1002922351819952.58149.2811.98-3330 125349279.5215.912158.88181.0811.98-3532 150381317.5241.314663.68211.1811.912-3330 200470393.530819171.58270.0811.912-3936 25054647036223877.98323.9811.916-3936 300610533.5419.128287.48381.0811.920-3936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凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径DN D D1D2D3t f L E F n-d M 25149101.571.42235 6.450.8 6.48.74-2522 4017812492.13538.2 6.468.3 6.48.74-3027 50216165123.84846.1895.3811.98-2522 65244190.5136.55749.38108 811.98-3027 80267203168.37055.78136.5 811.98-3330 100311241.5193.792628162811.98-3633 125375292228.611181.18193.7811.98-4239 150394317.5247.613692.29.6211.19.613.512-3936 200483393.5317.5178103.311.227011.216.712-4542 250584482.5371.5222119.211.2323.911.216.712-5148 300673571.5438.2264138.214.338114.323.016-5552表13 ANSI 2500RJ mm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凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径DN D D1D2D3t f L E F n-d M 2515910882.61941.4 6.460.3 6.48.74-2522 40203146114.32852.5882.6811.94-3330 50235171.5133.43858.88101.6811.98-3027 65267197149.24866.89.6111.19.613.58-3330 80305228.5168.35776.39.61279.613.58-3633 100356273203.27387.411.2157.111.216.78-4239 125419324241.392104.812.7190.512.719.88-4845 150483368.5279.4111120.712.7228.612.719.88-5552 200552438339.7146141.314.3279.414.323.012-5552 250673539.5425.5184182.617.5342.617.530.212-6764 300762619495.3219201.717.5406.417.533.412-7472三、JIS 10K、16K、20K、30K、40K、63K、RF、FF法兰尺寸表(日標)表14 JIS 10K、RF、FF mm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凸出部分高度螺栓孔数量与直径螺栓直径DN D D1D2D3t﹡f n-d M 2010075581914/ 18 14-1512 2512590702514 /18 14-1916 40140105853816 /20 24-1916 501551*********/ 20 24-1916 651751*********/ 22 24-1916 801851501307618 /22 28-1916 10021017515510218/ 24 28-1916 12525021018512520/ 24 28-2320 15028024021515222 / 26 28-2320 20033029026520422/ 26 28-2320 25040035532525424/ 30 212-2522 30041540037030524/ 32 316-2522表15 JIS 16K、RF、FF mm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凸出部分高度螺栓孔数量与直径螺栓直径DN D D1D2D3t﹡f n-d M 2010075581914/ 18 14-1512 2512560702514 /18 14-1916 40140105853816 /20 24-1916 501551*********/ 20 28-1916 651751*********/ 22 28-1916 802001601357620/ 24 28-2320 10022518516010222/ 26 28-2320 12527022519512522/ 26 212-2522 15030526023015224/ 28 212-2522 20035030527520426/ 30 212-2522 25043038034525428/ 34 212-2724 30048043039530530/ 36 316-2724表16 JIS 20K、RF、FF mm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凸出部分高度螺栓孔数量与直径螺栓直径DN D D1D2D3t﹡f n-d M 2010075581916/ 18 14-1512 2512590702516/ 20 14-1916 40140105853818/ 22 24-1916 501551********* /22 28-1916 651751*********/ 24 28-1916 802001601357622/ 26 28-2320 10022518516010224/ 28 28-2320 12527022519512526/ 30 28-2522 15030526023015228/ 32 212-2522 20035030527520430/ 34 212-2522 25043038034525434/ 38 212-2724 30048043039530536/ 40 316-2724﹡t值中较小值为钢及可锻铸铁法兰;较大值为铸铁法兰。
法兰标准尺寸表一、ANSI150、300、400、600、900、1500、2500RF法兰尺寸表(美標)公称通径外径中心圆直径出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M2098704321282027381353162291.6154122510879.551273525345149145617 1.615412 321188963.5354332426059165721 1.615412 4012798.573415040486765186222 1.615412 50152120.59253625060.58378196425 1.619416 65178139.5105637565739591247029 1.619416 80190152.512778918089108108247030 1.619416100229190.51571021161001141401352476333051.619816125254216186128144125141165164248937 1.6238M20 150279241.5216154171150168197192258940 1.6238M20 200343298.52702032212002192482462910244 1.6238M20 2504063623242552762502733053053010249 1.62512M22 3004834323813053273003243653653211456 1.62512M22表2ANSI300RF mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度连接凸出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M2011782.54321282027481657252291.619416251248951273525345454176227 1.619416 3213398.464354332426464196527 1.619416 40156114.573415040487070216830 1.623420 5016512792536250608484227033 1.619816 6519114910563756573100100257638 1.623820 8021016812778918089117117297943 1.6238201002542001571021161001141461463286483051.623820125279235186128144125141178178359851 1.623820 150318270216154171150168206206379852 1.6231220 2003813302702032212002192602604111162 1.6251222 250445387.53242552762502733213214811767 1.6301627 3005214513813053273003243753755113073 1.6331630公称通径外径中心圆直径出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M2011782.543按用户要求282027482264322356.4194162512489513525345454246833 6.419416 3213398644332426464277335 6.419416 40156114735040487070297638 6.423420 50165127926250608484327943 6.419816 65191149105756573100100358648 6.423820 80210168127918089117117388952 6.4238201002542001571161001141461464195573116.4258221252792351861441251411781784510860 6.425822 1503182702161711501682062064811064 6.4251222 2003813302702212002192602605412475 6.4301227 2504453873242762502733213216013079 6.4331630 3005214513813273003243753756414386 6.4351632表4ANSI600RF mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度连接凸出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M2011782.543按用户要求282027482264322356.4194162512489513525345454246833 6.419416 3213398644332426464277335 6.419416 40156114.5735040487070297638 6.423420 50165127926250608484327943 6.419816 65191149105756573100100358648 6.423820 80210168127918089117117388952 6.42382010027321615711610011415215245108573116.425822125330266.51861441251411911895112167 6.430827 1503562922161711501682222225412473 6.4331230 2004193492702212002192732736214083 6.4361233 2505084323242762502733433437015992 6.4361633 3005594893813273003244004007316298 6.4362033公称通径外径中心圆直径出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M201308943按用户要求282027443276412356.42342025149101.5513525345252357948 6.425422 321591116443324263.564357948 6.425422 40178124735040487070388951 6.430427 50216165926250601051054510864 6.425822 65244190.51057565731241244811170 6.430827 80241190.51279180891271274510860 6.42582210029223515711610011415915951121763116.433830125349279.5186144125141190.51915813386 6.436833 150381317.52161711501682352356214692 6.4331230 200470393.527022120021929829870168108 6.4391236 25054647032427625027336836876191114 6.4391636 300610533.538132730032441941986206124 6.4392036表6ANSI1500RF mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度连接凸出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M201308943按用户要求28202744.53276412356.42342025149101.5513525345252357948 6.425422 321591116443324263.563.5357948 6.425422 40178124735040487070398951 6.430427 50216165926250601051054510864 6.425822 65244190.51057565731241244811170 6.430827 802672031279180891331335412479 6.433830100311241.515711610011416216261130973116.43583212537529218614412514119717080162111 6.442839 150394317.521617115016822922989178125 6.4451242 200483393.527022120021929229299219149 6.4451242250584482.5324276250273368368115260165311∫5146.4511248300673571.5381327300324451451131289187 6.4551652表7ANSI2500RF mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度连接凸出部分高度螺栓孔直径数量螺栓直径DN D D1D2A B C E F G J L1L2L3L d n M201409843按用户要求282027513886492356.42342025159108513525345757419554 6.4254223218413063.5433242737345102593116.430427402031467350404879795111867 6.433430 50235171.59262506095955713376 6.430827 652671971057565731141146414986 6.433830 80305228.51279180891331337317598 6.436833 10035627315711610011416516583197114 6.442839 12541932418614412514120320398235137 6.448845 150483368.5216171150168235235114279159 6.455852 200552438270221200219305305133324184 6.4551252250673539.5324276250273375375172426235311∫5146.4671264300762619381327300324441441191470260 6.4751272二、ANSI150、300、600、900、1500、2500RJ法兰尺寸表表8ANSI150RJ mm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凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径DN D D1D2D3t f L E F n-d M2510879.563.52520.7 6.447.6 6.48.74-1512 4012798.582.63823.9 6.465.1 6.48.74-1512 50152120.5101.65125.5 6.482.6 6.48.74-1916 65178139.5120.66428.7 6.4101.6 6.48.74-1916 80190152.5133.47630.3 6.4114.3 6.48.74-1916 100229190.5171.410230.3 6.4149.2 6.48.78-1916 125254216193.712730.3 6.4171.5 6.48.78-2320 150279241.5219.115231.8 6.4193.6 6.48.78-2320 200343298.527320335 6.4247.7 6.48.78-2320 250406362330.225436.6 6.4304.8 6.48.712-2522 300483432406.430538.2 6.4381 6.48.712-2522表9ANSI300RJ mm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凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径DN D D1D2D3t f L E F n-d M2011782.563.51922.3 6.442.9 6.48.74-1916 251248969.82523.9 6.450.8 6.48.74-1916 40156114.590.53827.1 6.468.3 6.48.74-2320 501651271085130.3882.6811.98-1916 651901491276433.48101.6811.98-2320 802101681467636.68123.8811.98-2320 100254200174.610246.18149.2811.98-2320 125279235209.6127438181.0811.98-2320 150318270241.315244.68211.1811.912-2320 200381330301.620349.38269.9811.912-2522 250444387.5355.625455.78323.9811.916-3027 300521451412.530558.88381811.916-3330表10ANSI600RJ mmDN D D1D2D3t f L E F n-d M2011782.563.51922.3 6.442.9 6.48.74-1916 251248969.82523.9 6.450.8 6.48.74-1916 40156114.590.53828.7 6.468.3 6.48.74-2220 501651271085133.4882.6811.98-1916 651901491276436.68101.6811.98-2220 802101681467639.68123.8811.98-2220 100273216174.610246.18149.2811.98-2222 125330266.5209.612752.58181.0811.98-2527 150356292241.315255.78211.1811.912-3230 200419349301.620063.68269.9811.912-3633 250508432355.624871.58323.9811.916-3633 300559489412.829874.78381.0811.920-3633表11ANSI900RJ mm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凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径DN D D1D2D3t f L E F n-d M80241190.5155.67346.18123.8811.98-2522 1002922351819952.58149.2811.98-3330 125349279.5215.912158.88181.0811.98-3532 150381317.5241.314663.68211.1811.912-3330 200470393.530819171.58270.0811.912-3936 25054647036223877.98323.9811.916-3936 300610533.5419.128287.48381.0811.920-3936表12ANSI1500RJ mmDN D D1D2D3t f L E F n-d M25149101.571.42235 6.450.8 6.48.74-2522 4017812492.13538.2 6.468.3 6.48.74-3027 50216165123.84846.1895.3811.98-2522 65244190.5136.55749.38108811.98-3027 80267203168.37055.78136.5811.98-3330 100311241.5193.792628162811.98-3633 125375292228.611181.18193.7811.98-4239 150394317.5247.613692.29.6211.19.613.512-3936 200483393.5317.5178103.311.227011.216.712-4542 250584482.5371.5222119.211.2323.911.216.712-5148 300673571.5438.2264138.214.338114.323.016-5552表13ANSI2500RJ mm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凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径DN D D1D2D3t f L E F n-d M2515910882.61941.4 6.460.3 6.48.74-2522 40203146114.32852.5882.6811.94-3330 50235171.5133.43858.88101.6811.98-3027 65267197149.24866.89.6111.19.613.58-3330 80305228.5168.35776.39.61279.613.58-3633 100356273203.27387.411.2157.111.216.78-4239 125419324241.392104.812.7190.512.719.88-4845 150483368.5279.4111120.712.7228.612.719.88-5552 200552438339.7146141.314.3279.414.323.012-5552 250673539.5425.5184182.617.5342.617.530.212-6764 300762619495.3219201.717.5406.417.533.412-7472三、JIS10K、16K、20K、30K、40K、63K、RF、FF法兰尺寸表(日標)表14JIS10K、RF、FF mm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凸出部分高度螺栓孔数量与直径螺栓直径DN D D1D2D3t﹡f n-d M2010075581914/1814-1512 2512590702514/1814-1916 40140105853816/2024-1916 501551*********/2024-1916 651751*********/2224-1916 801851501307618/2228-1916 10021017515510218/2428-1916 12525021018512520/2428-2320 15028024021515222/2628-2320 20033029026520422/2628-2320 25040035532525424/30212-2522 30041540037030524/32316-2522表15JIS16K、RF、FF mm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凸出部分高度螺栓孔数量与直径螺栓直径DN D D1D2D3t﹡f n-d M2010075581914/1814-1512 2512560702514/1814-1916 40140105853816/2024-1916 501551*********/2028-1916 651751*********/2228-1916 802001601357620/2428-2320 10022518516010222/2628-2320 12527022519512522/26212-2522 15030526023015224/28212-2522 20035030527520426/30212-2522 25043038034525428/34212-2724 30048043039530530/36316-2724表16JIS20K、RF、FF mm公称通径外径螺栓孔中心圆连接凸出部分内径法兰厚度连接凸出部分螺栓孔数量与螺栓直径直径直径高度直径DN D D1D2D3t﹡f n-d M2010075581916/1814-1512 2512590702516/2014-1916 40140105853818/2224-1916 501551*********/2228-1916 651751*********/2428-1916 802001601357622/2628-2320 10022518516010224/2828-2320 12527022519512526/3028-2522 15030526023015228/32212-2522 20035030527520430/34212-2522 25043038034525434/38212-2724 30048043039530536/40316-2724﹡t值中较小值为钢及可锻铸铁法兰;较大值为铸铁法兰。
法兰规格尺寸表大全法兰规格是指管道系统中用于连接或支撑管道的一种重要元件,具有固定管道及连接紧固件的作用。
按照标准规格设计,法兰可分为钢制、铸铁和塑料制法兰等多种材质。
下面是常用的法兰规格尺寸表大全,希望对大家有所帮助。
1、美标法兰美标法兰分为150#、300#、600#、900#、1500#、2500#等不同压力等级,对应的尺寸如下:压力等级尺寸150# 1/2"~24"300# 1/2"~24"600# 1/2"~24"900# 1/2"~16"1500# 1/2"~12"2500# 1/2"~12"2、日标法兰日标法兰则是按照JIS B2220-2004标准规格设计,其尺寸范围如下:公称压力 MPa 钢制法兰铸铁法兰尺寸(mm) 尺寸(mm)0.25 15~1200 15~6000.40 15~1200 15~6000.63 15~1200 15~6001.0 15~1200 15~6001.6 15~1200 15~6002.5 15~1200 15~6004.0 15~600 15~3005.0 15~450 15~3007.5 15~400 15~20010.0 15~300 15~20016.0 15~200 15~1003、德标法兰德标法兰是按照DIN PN6、PN10、PN16、PN25、PN40等不同压力等级进行分类,其尺寸如下:公称直径尺寸(mm)DN10~40 90DN50~80 110DN100~150 150DN200~300 225DN350~600 320DN700~1200 5004、欧标法兰欧标法兰则是按照EN 1092-1标准规格设计,尺寸如下:公称压力 PN2.5 PN6 PN10 PN16 PN25 PN40DN10~150 60 75 90 105 115 140DN200~300 165 185 200 220 250 320DN350~600 420 450 510 580 660 725DN700~1000 800 900 975 1075 1175 1325DN1200~2000 1600 1750 1950 2150 2325 2550 以上是常见的几种法兰规格尺寸表大全,希望对大家有所帮助。