法兰标准尺寸表(美标、日标、德标)

PAGE35法兰标准尺寸表(美标、日标、德标)法兰标准尺寸表

一、ANSI150、300、400、600、900、1500、2500RF法兰尺寸表（美標）表1ANSI150RF

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DNDD1D2ABCEFGJL1L2L3LdnM2098704321282027

381353162291.6154122510879.5512735253451491456171.615412321188963.53543324260591657211.6154124012798.5734150404867651862221.61541250152120.59253625060.583781964251.61941665178139.51056375657395912470291.61941680190152.5127789180891081082470301.619416100229190.51571021161001141401352476333051.6198161252542161861281441251411651642489371.6238M20150279241.52161541711501681971922589401.6238M20200343298.527020322120021924824629102441.6238M2025040636232425527625027330530530102491.62512M2230048343238130532730032436536532114561.62512M22

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DNDD1D2ABCEFGJL1L2L3LdnM2011782.54321282027

481657252291.6194162512489512735253454541762271.6194163213398.4643543324264641965271.61941640156114.5734150404870702168301.62342050165127925362506084842270331.61981665191149105637565731001002576381.62382080210168127789180891171172979431.6238201002542001571021161001141461463286483051.6238201252792351861281441251411781783598511.6238201503182702161541711501682062063798521.623122020038133027020322120021926026041111621.6251222250445387.532425527625027332132148117671.630162730052145138130532730032437537551130731.6331630

表3ANSI400RF

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DNDD1D2ABCEFGJL1L2L3LdnM2011782.543按

用

户

要

求282027

482264322356.41941625124895135253454542468336.41941632133986443324264642773356.419416401561147350404870702976386.423420501651279262506084843279436.419816651911491057565731001003586486.423820802101681279180891171173889526.4238201002542001571161001141461464195573116.42582212527923518614412514117817845108606.42582215031827021617115016820620648110646.425122220038133027022120021926026054124756.430122725044538732427625027332132160130796.433163030052145138132730032437537564143866.4351632

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DNDD1D2ABCEFGJL1L2L3LdnM2011782.543按

用

户

要

求282027

482264322356.41941625124895135253454542468336.41941632133986443324264642773356.41941640156114.57350404870702976386.423420501651279262506084843279436.419816651911491057565731001003586486.423820802101681279180891171173889526.42382010027321615711610011415215245108573116.425822125330266.518614412514119118951121676.43082715035629221617115016822222254124736.433123020041934927022120021927327362140836.436123325050843232427625027334334370159926.436163330055948938132730032440040073162986.4362033

表5ANSI900RF

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DNDD1D2ABCEFGJL1L2L3LdnM201308943按

用

户

要

求282027

443276412356.42342025149101.55135253452523579486.425422321591116443324263.5643579486.425422401781247350404870703889516.430427502161659262506010510545108646.42582265244190.510575657312412448111706.43082780241190.512791808912712745108606.42582210029223515711610011415915951121763116.433830125349279.5186144125141190.519158133866.436833150381317.521617115016823523562146926.4331230200470393.5270221200219298298701681086.4391236250546470324276250273368368761911146.4391636300610533.5381327300324419419862061246.4392036

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DNDD1D2ABCEFGJL1L2L3LdnM201308943按用户要求282027

44.53276412356.42342025149101.55135253452523579486.425422321591116443324263.563.53579486.425422401781247350404870703989516.430427502161659262506010510545108646.42582265244190.510575657312412448111706.4308278026720312791808913313354124796.433830100311241.515711610011416216261130973116.435832125375292186144125141197170801621116.442839150394317.5216171150168229229891781256.4451242200483393.5270221200219292292992191496.4451242250584482.5324276250273368368115260165311

∫

5146.4511248300673571.53813273003244514511312891876.4551652

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DNDD1D2ABCEFGJL1L2L3LdnM201409843按用户要求282027

513886492356.423420251591085135253457574195546.4254223218413063.5433242737345102593116.4304274020314673504048797951118676.43343050235171.592625060959557133766.4308276526719710575657311411464149866.43383080305228.512791808913313373175986.436833100356273157116100114165165831971146.442839125419324186144125141203203982351376.448845150483368.52161711501682352351142791596.4558522005524382702212002193053051333241846.4551252250673539.5324276250273375375172426235311

∫

5146.46712643007626193813273003244414411914702606.4751272二、ANSI

150、300、600、900、1500、2500RJ法兰尺寸表表8ANSI

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DNDD1D2D3tfLEFn-dM2510879.563.52520.76.447.66.48582.63823.96.465.16.48.74-151250152120.5101.65125.56.482.66.48.74-191665178139.5120.66428.76.4101.66.48.74-191680190152.5133.47630.36.4114.36.48.74-1916100229190.5171.410230.36.4149.26.48.78-1916125254216193.712730.36.4171.56.48.78-2320150279241.5219.115231.86.4193.66.48.78-2320200343298.5273203356.4247.76.48.78-2320250406362330.225436.66.4304.86.48.712-2522300483432406.430538.26.43816.48.712-2522

表9ANSI

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DNDD1D2D3tfLEFn-dM2011782.563.51922.36.442.96.48.74-1916251248969.82523.96.450.86.48.74-191640156114.590.53827.16.468.36.48.74-2320501651271085130.3882.6811.98-1916651901491276433.48101.6811.98-2320802101681467636.68123.8811.98-2320100254200174.610246.18149.2811.98-2320125279235209.6127438181.0811.98-2320150318270241.315244.68211.1811.912-2320200381330301.620349.38269.9811.912-2522250444387.5355.625455.78323.9811.916-3027300521451412.530558.88381811.916-3330

表10ANSI

600RJ

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-dM2011782.563.51922.36.442.96.48.74-1916251248969.82523.96.450.86.48.74-191640156114.590.53828.76.468.36.48.74-2220501651271085133.4882.6811.98-1916651901491276436.68101.6811.98-2220802101681467639.68123.8811.98-2220100273216174.610246.18149.2811.98-2222125330266.5209.612752.58181.0811.98-2527150356292241.315255.78211.1811.912-3230200419349301.620063.68269.9811.912-3633250508432355.624871.58323.9811.916-3633300559489412.829874.78381.0811.920-3633

表11ANSI

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DNDD1D2D3tfLEFn-dM80241190.5155.67346.18123.8811.98-25221002922351819952.58149.2811.98-3330125349279.5215.912158.88181.0811.98-3532150381317.5241.314663.68211.1811.912-3330200470393.530819171.58270.0811.912-393625054647036223877.98323.9811.916-3936300610533.5419.128287.48381.0811.920-3936

表12ANSI

1500RJ

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DNDD1D2D3tfLEFn-dM25149101.571.422356.450.86.48.74-25224017812492.13538.26.468.36.48.74-302750216165123.84846.1895.3811.98-252265244190.5136.55749.38108811.98-302780267203168.37055.78136.5811.98-3330100311241.5193.792628162811.98-3633125375292228.611181.18193.7811.98-4239150394317.5247.613692.29.6211.19.613.512-3936200483393.5317.5178103.311.227011.216.712-4542250584482.5371.5222119.211.2323.911.216.712-5148300673571.5438.2264138.214.338114.323.016-5552

表13ANSI

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-dM2515910882.61941.46.460.36.48.74-252240203146114.32852.5882.6811.94-333050235171.5133.43858.88101.6811.98-302765267197149.24866.89.6111.19.613.58-333080305228.5168.35776.39.61279.613.58-3633100356273203.27387.411.2157.111.216.78-4239125419324241.392104.812.7190.512.719.88-4845150483368.5279.4111120.712.7228.612.719.88-5552200552438339.7146141.314.3279.414.323.012-5552250673539.5425.5184182.617.5342.617.530.212-6764300762619495.3219201.717.5406.417.533.412-7472三、JIS

10K、16K、20K、30K、40K、63K、RF、FF法兰尺寸表（日標）表14JIS

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DNDD1D2D3t﹡fn-dM2010075581914/

1814-15122512590702514

/1814-191640140105853816

/2024-1916501551201005116/

2024-1916651751401206118/

2224-1916801851501307618

/2228-191610021017515510218/

2428-191612525021018512520/

2428-232015028024021515222/2628-232020033029026520422/

2628-232025040035532525424/

30212-252230041540037030524/

32316-2522

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16

JIS20K、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DNDD1D2D3t﹡fn-dM2010075581916/

1814-15122512590702516/2014-191640140105853818/

2224-1916501551201005118

/2228-1916651751401206420/

2428-1916802001601357622/

2628-232010022518516010224/

2828-232012527022519512526/

3028-252215030526023015228/

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、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DNDD1D2D3tfn-dM201208560191814-1916251309570252014-19164016012090382224-232050165130105512228-191665200160130642628-232080210170140762828-23201002401951601023228-25221252752301951253628-252215032527523515238212-272420037032028020442212-272425045039034525448212-333030051545040530552316-3330

表18

JIS

40K、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DNDD1D2D3tfn-dM201208560192014-1916251309570252214-19164016012090382424-232050165130105512628-191665200160130643028-232080210170140763228-23201002502051651023628-25221253002502001254028-272415035529524015244212-333020040534529020050212-3330250475440355247.556212-3330300540470440298.560316-3936

表19

JIS

63K、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DNDD1D2D3tfn-dM25140100702227140-23204017513090353224-252250185145105483428-232065220175130573828-252280230185140734028-2522100270220165994428-27241253252652001215028-333015036530524014652212-333020042536029019058212-333025050043035523868212-393630056048541028377316-3936四、JPI

150、300、600RF、RJ法兰尺寸表

RJ法兰表20

JPI

150RF

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

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法兰厚度连接凸出部分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

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法兰厚度连接凸出部分高度螺栓孔数量与直径螺栓直径DNDD1D2D3tfn-dM2011782.5431922.36.44-19162512489.0512523.96.44-191640156114.5733828.76.44-222050165127925131.86.48-19166519014910564356.48-2220802101681277638.26.48-222010027321615710244.56.48-2522125330266.518612550.96.48-2927150356292.021615254.16.412-2927200419349270200626.412-3230250508432324247.569.96.416-3533300559489381298.573.16.420-3533

表23

JPI

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梯形槽中心圆直径梯形槽深度梯形槽宽度法兰厚度连接凸出部分高度螺栓孔数量与直径螺栓直径DNDD1D2D3LEFtfn-dM2510879.563.52547.6258.7316.420.76582.63865.0888.8316.423.96.44-151250152120.5101.65182.5508.7316.425.56.44-191665178139.5120.664101.6008.7316.428.76.44-191680190152.5133.176114.3008.7316.430.36.44-1916100229190.5171.1102149.2258.7316.430.36.48-1916125254216.0193.7125171.1508.7316.430.36.48-2220150279241.5219.1152193.6758.7316.431.86.48-2220200343298.5273.0204247.6508.7316.4356.48-2220250406362.0330.2254304.2008.7316.436.66.412-2522300483432.0406.1305381.0008.7316.438.26.412-2522

表24

JPI

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梯形槽中心圆直径梯形槽深度梯形槽宽度法兰厚度连接凸出部分高度螺栓孔数量与直径螺栓直径DNDD1D2D3LEFtfn-dM2011782.563.51942.8628.7316.422.36.44-19162512489.069.82550.8008.7316.423.96.44-191640156114.590.53868.26211.9066.427.16.44-222050165127.0108.05182.55011.9068.028.78.08-191665190149.0127.064101.60011.9068.031.88.08-222080210168.0146.076123.82511.9068.0358.08-2220100254200.0174.6102149.22511.9068.038.28.08-2220125279235.0209.6125180.97511.9068.041.48.08-2220150318270.0241.3152211.13811.9068.0438.012-2220200381330.0301.6204269.87511.9068.047.78.012-2522250444387.0355.6254323.85011.9068.054.18.016-2927300521451.0412.8305381.00