法兰标准尺寸表

法兰标准尺寸表、ANSI150300、400、600、900、1500、2500RF法兰尺寸表〔美標〕法兰」直扳0平埠沬兰uFE颈焊播进兰对焊煙兰公称通径外径螺栓孔中心圆直径连接凸岀局部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岀局部高度螺栓孔直径数量螺栓直径DNDDiD2ABCEFGJL1L2L3LdnM2098704321282027381353162291.6154122510879.5512735253451491456171.615412321188963.53543324260591657211.6154124012798.5734150404867651862221.61541250152120.59253625060.583781964251.61941665178139.51056375657395912470291.61941680190152.5127789180891081082470301.619416100229190.51571021161001141401352476333051.6198161252542161861281441251411651642489371.6238M20150279241.52161541711501681971922589401.6238M20200343298.527020322120021924824629102441.6238M2025040636232425527625027330530530102491.62512M2230048343238130532730032436536532114561.62512M22表2ANSI300RFmm公称通径外径螺栓孔中心圆直径连接凸岀局部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岀局部高度螺栓孔直径数量螺栓直径DNDDD2ABCEFGJL1L2L3LdnM2011782.54321282027481657252291.6194162512489512735253454541762271.6194163213398.4643543324264641965271.61941640156114.5734150404870702168301.62342050165127925362506084842270331.61981665191149105637565731001002576381.62382080210168127789180891171172979431.6238201002542001571021161001141461463286483051.6238201252792351861281441251411781783598511.6238201503182702161541711501682062063798521.623122020038133027020322120021926026041111621.6251222250445387.532425527625027332132148117671.630162730052145138130532730032437537551130731.6331630公称通径外径螺栓孔中心圆直径连接凸岀局部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岀局部高度螺栓孔直径数量螺栓直径DNDDiD2ABCEFGJL1L2L3LdnM2011782.543282027482264322356.41941625124895135253454542468336.41941632133986443324264642773356.419416401561147350404870702976386.4234205016512792按62506084843279436.41981665191149105用7565731001003586486.42382080210168127户9180891171173889526.423820100254200157要1161001141461464195573116.425822125279235186求14412514117817845108606.42582215031827021617115016820620648110646.425122220038133027022120021926026054124756.430122725044538732427625027332132160130796.433163030052145138132730032437537564143866.4351632表4ANSI600RFmm公称通径外径螺栓孔中心圆直径连接凸岀局部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岀局部高度螺栓孔直径数量螺栓直径DNDDiD2ABCEFGJL1L2L3LdnM2011782.543282027482264322356.41941625124895135253454542468336.41941632133986443324264642773356.41941640156114.57350404870702976386.4234205016512792按62506084843279436.41981665191149105用7565731001003586486.42382080210168127户9180891171173889526.423820100273216157要11610011415215245108573116.425822125330266.5186求14412514119118951121676.43082715035629221617115016822222254124736.433123020041934927022120021927327362140836.436123325050843232427625027334334370159926.436163330055948938132730032440040073162986.4362033公称通径外径螺栓孔中心圆直径连接凸岀局部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岀局部高度螺栓孔直径数量螺栓直径DNDDiD2ABCEFGJL1L2L3LdnM201308943282027443276416.42342025149101.55135253452523579486.425422321591116443324263.5643579486.425422401781247350404870703889512356.4304275021616592按62506010510545108646.42582265244190.5105用75657312412448111706.43082780241190.5127户91808912712745108606.425822100292235157要11610011415915951121766.433830125349279.5186求144125141190.519158133866.436833150381317.521617115016823523562146923116.4331230200470393.5270221200219298298701681086.4391236250546470324276250273368368761911146.4391636300610533.5381327300324419419862061246.4392036表6ANSI1500RFmm公称通径外径螺栓孔中心圆直径连接凸岀局部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岀局部高度螺栓孔直径数量螺栓直径DNDD1D2ABCEFGJL1L2L3LdnM20130894328202744.53276416.42342025149101.55135253452523579486.425422321591116443324263.563.53579486.425422401781247350404870703989512356.430427502161659262506010510545108646.42582265244190.5105按用户要求75657312412448111706.4308278026720312791808913313354124796.433830100311241.515711610011416216261130976.435832125375292186144125141197170801621113116.442839150394317.5216171150168229229891781256.4451242200483393.5270221200219292292992191496.4451242250584482.53242762502733683681152601653116.4511248300673571.5381327300324451451131289187/5146.4551652公称通径外径螺栓孔中心圆直径连接凸岀局部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岀局部高度螺栓孔直径数量螺栓直径DNDD0ABCEFGJL!l2L3LdnM201409843282027513886492356.423420251591085135253457574195546.4254223218413063.5433242737345102596.4304274020314673504048797951118676.43343050235171.592625060959557133766.43082765267197105按用户要求75657311411464149866.43383080305228.512791808913313373175983116.436833100356273157116100114165165831971146.442839125419324186144125141203203982351376.448845150483368.52161711501682352351142791596.4558522005524382702212002193053051333241846.4551252250673539.53242762502733753751724262353116.4671264300762619381327300324441441191470260/5146.4751272ANSI150、300、600、900、1500、2500RJ法兰尺寸表D表8ANSI150RJmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部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DNDDiD2tfLEFn-dM2510879.563.52520.76.447.66.48.74-15124012798.582.63823.96.465.16.48.74-151250152120.5101.65125.56.482.66.48.74-191665178139.5120.66428.76.4101.66.48.74-191680190152.5133.47630.36.4114.36.48.74-1916100229190.5171.410230.36.4149.26.48.78-1916125254216193.712730.36.4171.56.48.78-2320150279241.5219.115231.86.4193.66.48.78-2320200343298.5273203356.4247.76.48.78-2320250406362330.225436.66.4304.86.48.712-2522300483432406.430538.26.43816.48.712-2522表9ANSI300RJmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部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DNDDiD2DtfLEFn-dM2011782.563.51922.36.442.96.48.74-1916251248969.82523.96.450.86.48.74-191640156114.590.53827.16.468.36.48.74-2320501651271085130.3882.6811.98-1916651901491276433.4匚8101.6811.98-2320802101681467636.68123.8811.98-2320100254200174.610246.1匚8149.2811.98-2320125279235209.612743匸8181.0811.98-2320150318270241.315244.68211.1811.912-2320200381330301.620349.38269.9811.912-2522250444387.5355.625455.78323.9811.916-3027300521451412.530558.88381811.916-3330公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部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DNDDiD2DtfLEFn-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11ANSI900RJmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部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DNDDiD2tfLEFn-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公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部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DNDDiD2DtfLEFn-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13ANSI2500RJmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部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DNDDiD2DtfLEFn-dM2515910882.61941.46.460.36.48.74-252240203146114.32852.5882.6811.94-333050235171.5133.43858.88101.6811.98-302765267197149.24866.89.6111.19.613.58-333080305228.5168.35776.39.61279.613.58-3633100356273203.27387.411.2157.111.216.78-4239125419324241.392104.812.7190.512.719.88-4845150483368.5279.4111120.712.7228.612.719.88-5552200552438339.7146141.314.3279.414.323.012-5552250673539.5425.5184182.617.5342.617.530.212-6764300762619495.3219201.717.5406.417.533.412-7472JIS10K、16K、20K、30K、40K、63K、RF、FF法兰尺寸表〔日標〕表14JIS10K、RF、FFmm仟…——-———'•-———-“〞--・--〞“•〞-———--〞“--…〞““1公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部高度螺栓孔数量与直径螺栓直径DNDDiDD3t*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15JIS16K、RF、FFmm,1公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部高度螺栓孔数量与直径螺栓直径DNDDiDDt*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公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部高度螺栓孔数量与直径螺栓直径DNDDiDDt*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17JIS30K、RF、FFmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部高度螺栓孔数量与直径螺栓直径DNDDiDtfn-dM201208560191814-1916251309570252014-19164016012090382224-232050165130105512228-191665200160130642628-232080210170140762828-23201002401951601023228-25221252752301951253628-252215032527523515238212-272420037032028020442212-272425045039034525448212-333030051545040530552316-3330公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部高度螺栓孔数量与直径螺栓直径DNDDiDD3tfn-dM201208560192014-1916251309570252214-19164016012090382424-232050165130105512628-191665200160130643028-232080210170140763228-23201002502051651023628-25221253002502001254028-272415035529524015244212-333020040534529020050212-3330250475440355247.556212-3330300540470440298.560316-3936表19JIS63K、RF、FFmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部高度螺栓孔数量与直径螺栓直径DNDDiDtfn-dM25140100702227140-23204017513090353224-252250185145105483428-232065220175130573828-252280230185140734028-2522100270220165994428-27241253252652001215028-333015036530524014652212-333020042536029019058212-333025050043035523868212-393630056048541028377316-3936四、JPI150、300、600RF、RJ法兰尺寸表RJ法兰表20JPI150RFmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部高度螺栓孔数量与直径螺栓直径DNDDiDDtfn-dM209870.0431912.71.64-15122510879.5512514.31.64-15124012798.5733817.51.64-151250152120.5925119.11.64-191665178139.51056422.31.64-191680190152.51277623.91.64-1916100229190.515710223.91.68-1916125254216.018612523.91.68-2220150279241.521615225.41.68-2220200343298.527020428.61.68-22L20J250406362.032425430.21.612-2522300483432.038130531.81.612-2522表21JPI300RFmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部高度螺栓孔数量与直径螺栓直径DNDDiDD3tfn-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公称通径外径螺栓孔中心圆直径连接凸岀局部直径内径法兰厚度连接凸岀局部高度螺栓孔数量与直径螺栓直径DNDDitfn-dM2011782.5431922.36.44-19162512489.0512523.96.44-191640156114.5733828.76.44-222050165127925131.86.48-19166519014910564356.48-2220802101681277638.26.48-222010027321615710244.56.4L8-2522125330266.518612550.96.48-2927150356292.021615254.16.412-2927200419349270200626.412-3230250508432324247.569.96.416-3533300559489381298.573.16.420-3533表23JPI150RJmm公称通径外径螺栓孔中心圆直径连接凸岀局部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岀局部高度螺栓孔数量与直径螺栓直径DNDDIDLEFtfn-dM2510879.563.52547.6258.7316.420.76.44-15124012798.582.63865.0888.8316.423.96.44-151250152120.5101.65182.5508.7316.425.56.44-191665178139.5120.664101.6008.7316.428.76.44-191680190152.5133.176114.3008.7316.430.36.44-1916100229190.5171.1102149.2258.7316.430.36.48-1916125254216.0193.7125171.1508.7316.430.36.48-2220150279241.5219.1152193.6758.7316.431.86.48-2220200343298.5273.0204247.6508.7316.4356.48-2220250406362.0330.2254304.2008.7316.436.66.412-2522300483432.0406.1305381.0008.7316.438.26.412-2522公称通径外径螺栓孔中心圆直径连接凸岀局部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岀局部高度螺栓孔数量与直径螺栓直径DNDDtD2DLEFtfn-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25JPI600RJmm公称通径外径螺栓孔中心圆直径连接凸岀局部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岀局部高度螺栓孔数量与直径螺栓直径[DNDDD2LEFtfn-dMr2011782.563.51942.8628.7316.422.36.44-191612512489.069.82550.8808.7316.423.96.44-191640156114.590.53868.2628.7316.428.76.44-222050165127.0108.05182.55011.9068.031.88.08-191665190149.0127.064101.60011.9068.035.08.08-222080210168.0146.076123.82511.9068.038.28.08-2220100270216.0174.6102149.22511.9068.044.58.08-2522125330266.5209.6125180.97511.9068.050.98.08-2927150356292241.3152211.13811.9068.054.18.012-2927200419349301.6200269.87511.9068.062.08.012-3230250508432355.6247.5323.85011.9068.069.98.016-3533300559489412.8298.5381.00011.9068.073.18.020-3533五、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岀局部直径连接凸岀局部高度法兰厚度螺栓孔数量与直径螺栓直径DNDDDfHn-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岀局部直径连接凸岀局部高度法兰厚度螺栓孔数量与直径螺栓直径DNDDDfHn-dM159565452164-14122010575582184-14122511585682184-141232140100782184-181640150110882184-1816501651251023204-1816651851451223228-1816802001601383248-18161002351901623248-22201252702201883268-26241503002502183288-262420037532028533412-302725045038534533812-3330