RF法兰尺寸对照表
RF法兰尺寸对照表
DNNPS mm in mm in mm in mm in mm in mm in 凸面2mm 环连接151/290 3.5060.5 2.37535 1.3754-154-0.6210/M141/255/203/4100 3.87570 2.7543 1.68754-154-0.6210/M141/265/251110 4.2579.5 3.1255124-154-0.62120.44M141/2657532 1 1/4120 4.62589 3.5064 2.504-154-0.62130.50M141/2708540 1 1/2130598.5 3.87573 2.8754-154-0.62150.56M141/270855021506120.5 4.7592 3.6254-194-0.75160.62M165/8859565 2 1/21807139.5 5.50105 4.1254-194-0.75180.69M165/8901008031907.50152.5612754-194-0.75190.75M165/89010010042309190.57.50157 6.18758-198-0.88240.94M165/8901001255255102168.501867.31258-228-0.88240.94M203/495110150628011241.59.502168.508-228-0.88261M203/4100115200834513.50298.511.7527010.6258-228-0.8829 1.12M203/4110120250104051636214.2532412.7512-2512-131 1.19M247/81151253001248519432173811512-2512-132 1.25M247/8120135350145352147618.7541316.2512-2912-1.1235 1.38M2711351454001660023.5054021.2547018.5016-2916-1.1237 1.44M271135145450186352557822.755332116-3216-1.2540 1.56M30 1 1/81451605002070027.50635255842320-3220-1.2543 1.69M30 1 1/81601706002481532749.529.5069227.2520-3520-1.3848 1.88M33 1 1/41701856502687034.25806.531.7574929.5024-3524-1.3868 2.69M33 1 1/4210/7002892736.50863.634.0080031.5028-3528-1.3871 2.81M33 1 1/4220/7503098438.75914.436.0085733.7528-3528-1.3875 2.94M33 1 1/4230/80032106041.7597838.5091436.0028-4128-1.6281 3.19M39×3 1 1/2255/85034111143.75102940.5096538.0032-4132-1.6283 3.25M39×3 1 1/2260/90036116846.00108642.75102240.2532-4132-1.6290 3.56M39×3 1 1/2275/95038123848.751149.445.25107342.2532-4132-1.6287 3.44M39×3 1 1/2270/100040128950.751200.247.25112444.2536-4136-1.6290 3.56M39×3 1 1/2275/105042134653.001257.349.50119447.0036-4136-1.6297 3.81M39×3 1 1/2290/110044140355.251314.551.75124549.0040-4140-1.62102 4.00M39×3 1 1/2300/115046145457.251365.353.75129551.0040-4140-1.62103 4.06M39×3 1 1/2305/120048151159.501422.456.00135953.5044-4144-1.62108 4.25M39×3 1 1/2310/125050156861.751479.658.25141055.5044-4844-1.88111 4.38M45×3 1 3/4330/130052162664.00153760.50146157.5044-4844-1.88116 4.56M45×3 1 3/4340/135054168366.25159462.75151159.5044-4844-1.88121 4.75M45×3 1 3/4350/140056174668.75165165.00157562.0048-4848-1.88124 4.88M45×3 1 3/4355/145058180371.001708.267.25162664.0048-4848-1.88129 5.06M45×3 1 3/4365/150060185473.00175969.25167666.0052-4852-1.881325.19M45×31 3/4375/ASME B16.5、B16.47A(MSS SP-44), CLASS 150 FLANGESize DKdn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面2mm 环连接151/295 3.7566.7 2.6235 1.384-164-0.62150.56M141/26575203/4120 4.6282.5 3.2543 1.694-194-0.75160.62M165/87590251125 4.8889 3.5051 2.04-194-0.75180.69M165/8759032 1 1/4135 5.2598.5 3.8864 2.504-194-0.75190.75M165/8859540 1 1/2155 6.12114.5 4.5073 2.884-224-0.88210.81M203/490100502165 6.50127 5.092 3.628-198-0.62230.88M165/89010065 2 1/21907.50149 5.88105 4.128-228-0.88261M203/41001158032108.25168.5 6.62127 5.08-228-0.8829 1.12M203/41101201004255102007.88157 6.198-228-0.8832 1.25M203/41151251255280112359.251867.318-228-0.8835 1.38M203/4120135150632012.5027010.622168.5012-2212-0.8837 1.44M203/4120140200838015.033013.027010.6212-2612-142 1.62M247/81401502501044517.50387.515.2532412.7516-2916-1.1248 1.88M2711601703001252020.5045117.7538115.016-3216-1.25512M30 1 1/81701853501458523.0514.520.2541316.2520-3220-1.2554 2.12M30 1 1/81801904001665025.50571.522.5047018.5020-3520-1.3858 2.25M33 1 1/41902054501871028.0628.524.7553321.024-3524-1.3861 2.38M33 1 1/41952105002077530.5068627.058423.024-3524-1.3864 2.50M33 1 1/42052206002491536.081332.069227.2524-4124-1.6270 2.75M39×3 1 1/22302556502697238.25876.334.5074929.5028-4528-1.7579 3.12M42×3 1 5/826028570028103540.7593437.0080031.5028-4528-1.7586 3.38M42×3 1 5/827530075030109243.099739.2585733.7528-4828-1.8892 3.62M45×3 1 3/429032080032114945.251054.141.5091436.0028-5128-2.0099 3.88M48×3 1 7/831034085034120747.50110543.5096538.0032-5132-2.00102 4.00M48×3 1 7/831534590036127050.001168.446.00102240.2532-5432-2.12105 4.12M52×3233036095038116846.001092.243.00102940.5032-4132-1.62108 4.25M39×3 1 1/2310/100040123848.75115645.50108642.7532-4532-1.75114 4.50M42×3 1 5/8330/105042128950.75120747.50113744.7532-4532-1.75119 4.69M42×3 1 5/8340/110044135353.25126449.75119447.0032-4832-1.88124 4.88M45×3 1 3/4355/115046141655.75132152.00124549.0028-5128-2.00129 5.06M48×3 1 7/8370/120048146757.75137254.00130251.2532-5132-2.00133 5.25M48×3 1 7/8380/125050153060.25142956.25135953.5032-5532-2.12140 5.50M52×32400/130052158162.25148058.25141055.5032-5532-2.12145 5.69M52×32410/135054165765.25154961.00146757.7528-6028-2.38152 6.00M56×3 2 1/4435/140056170867.25160063.00151859.7528-6028-2.38154 6.06M56×3 2 1/4440/145058175969.25165165.00157562.0032-6032-2.38159 6.25M56×3 2 1/4450/150060181071.25170267.00162664.0032-6032-2.381646.44M56×32 1/4460/ASME B16.5、B16.47A(MSS SP-44), CLASS 300 FLANGESize DKdn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/295 3.7566.7 2.6235 1.384-164-0.62150.56M141/27575203/4120 4.6282.5 3.2543 1.694-194-0.75160.62M165/89090251125 4.8888.9 3.5051 2.04-194-0.75180.69M165/8909032 1 1/4135 5.2598.4 3.8864 2.504-194-0.75210.81M165/8959540 1 1/2155 6.12114.3 4.5073 2.884-224-0.8822.50.88M203/4110110502165 6.50127.0 5.0092 3.628-198-0.7525.5 1.00M165/811011065 2 1/21907.50149.2 5.88105 4.128-228-0.8829 1.12M203/41201208032108.25168.3 6.62127 5.08-228-0.8832 1.25M203/4125125100425510.00200.07.88157 6.198-268-1.0035 1.38M247/8140140125528011.00234.99.251867.318-268-1.0038.5 1.50M247/8145145150632012.50269.910.622168.5012-2612-1.0041.5 1.62M247/8150150200838015.00330.213.0027010.6212-2912-1.1248 1.88M2711701702501044517.50387.315.2532412.7516-3216-1.2554 2.12M30 1 1/81901903001252020.50450.817.7538115.016-3516-1.3857.5 2.25M33 1 1/42052053501458523.00514.320.2541316.2520-3520-1.3860.5 2.38M33 1 1/42102104001665025.50571.522.5047018.5020-3920-1.5063.5 2.50M36×３1 3/82202204501871028.00628.024.7553321.024-3924-1.5067 2.62M36×３ 1 3/82302305002077530.50685.827.0058423.024-4224-1.6270 2.75M39×３ 1 1/22402506002491536.00812.832.0069227.2524-4824-1.8876.5 3.00M45×３ 1 3/42652806502697238.25876.334.5074929.5028-4828-1.8889.0 3.50M45×３ 1 3/430032070028103540.7594037.0080031.5028-5128-2.0095.5 3.75M48×３ 1 7/832034075030109243.0099739.2585733.7528-5528-2.12102.0 4.00M52×３234036080032114945.251054.141.5091436.0028-5528-2.12108.0 4.25M52×３235537585034120747.50110543.5096538.0028-5528-2.12111.5 4.38M52×３236538590036127050.001168.446.00102240.2532-5532-2.12114.5 4.50M52×３237039095038120747.50111844.00103540.5032-4832-1.88124.0 4.88M45×３ 1 3/4370/100040127050.00117546.25109242.7532-5132-2.00130.0 5.12M48×３ 1 7/8385/105042132152.00122648.25114344.7532-5132-2.00133.5 5.25M48×３ 1 7/8395/110044138454.50128350.50120047.0032-5532-2.12134.0 5.50M52×３2405/115046144156.75134052.75125749.0036-5536-2.12146.0 5.75M52×３2425/120048151159.501403.355.25130851.2528-6028-2.38152.5 6.00M56×３ 2 1/4450/125050156861.75146157.50136253.5032-6032-2.38157.5 6.19M56×３ 2 1/4460/130052161963.751511.359.50141355.5032-6032-2.38162.0 6.38M56×３ 2 1/4470/135054170267.001581.162.25147057.7528-6728-2.62170.0 6.69M64×３ 2 1/2500/140056175369.001632.064.25152759.7532-6732-2.62175.0 6.88M64×３ 2 1/2510/145058180371.00168366.25157862.0032-6732-2.62178.07.00M64×３ 2 1/2515/150060188674.25175369.00163564.0032-7332-2.88186.07.31M70×３2 3/4545/ASME B16.5、B16.47A(MSS SP-44), CLASS 400 FLANGESize DKdn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/295 3.7566.7 2.6235 1.384-164-0.62150.56M141/27575203/4120 4.6282.5 3.2543 1.694-194-0.75160.62M165/89090251125 4.8888.9 3.5051 2.004-194-0.75180.69M165/8909032 1 1/4135 5.2598.4 3.8864 2.504-194-0.75210.81M165/8959540 1 1/2155 6.12114.3 4.5073 2.884-224-0.88230.88M203/4110110502165 6.50127 5.092 3.628-198-0.7526 1.00M165/811011065 2 1/21907.50149.2 5.88105 4.128-228-0.8829 1.12M203/41201208032108.25168.3 6.62127 5.08-228-0.8832 1.25M203/4125125100427510.75215.98.50157 6.198-268-1.0038 1.50M247/8145145125533013.0266.710.51867.318-298-1.1245 1.75M271165165150635514.0292.111.52168.5012-2912-1.1248 1.88M271170170200842016.50349.213.7527010.6212-3212-1.2556 2.19M301 1/81901902501051020.0431.817.032412.7516-3516-1.3864 2.50M33 1 1/42152153001256022.048919.2538115.020-3520-1.3867 2.62M33 1 1/42202203501460523.7552720.7541316.2520-3920-1.5070 2.75M36×３ 1 3/82352354001668527.0603.223.7547018.5020-4220-1.6277 3.00M39×３ 1 1/22552554501874529.2565425.7553321.020-4520-1.7583 3.25M42×３ 1 5/82752755002081532.0723.928.5058423.024-4524-1.7589 3.50M42×３1 5/82852906002494037.0838.233.069227.2524-5124-2.00102 4.00M48×３ 1 7/833033565026101640.00914.436.074929.5028-5128-2.00108 4.25M48×３ 1 7/835036070028107342.25965.238.080031.5028-5528-2.12111 4.38M52×３236038075030113044.501022.440.2585733.7528-5528-2.12114 4.50M52×３237038580032119447.001079.542.5091436.0028-6028-2.38117 4.62M56×３2 1/438040085034124549.001130.344.5096538.0028-6028-2.38121 4.75M56×３ 2 1/439041090036131451.75119447.00102240.2528-6728-2.62124 4.88M64×３ 2 1/241043095038127050.00116245.75105441.5028-6028-2.38152 6.00M56×３ 2 1/4450/100040132152.00121347.75111143.7532-6032-2.38159 6.25M56×３ 2 1/4465/105042140355.25128350.50116846.0028-6728-2.62168 6.62M64×３ 2 1/2500/110044145457.251333.552.50122648.2532-6732-2.62173 6.81M64×３ 2 1/2510/115046151159.50139154.75127650.2532-6732-2.621797.06M64×３ 2 1/2520/120048159462.751460.557.50133452.5032-7332-2.881897.44M70×３ 2 3/4555/125050167065.75152460.00138454.5028-8028-3.121977.75M76×３3580/130052172167.75157562.00143556.5032-8032-3.122038.00M76×３3595/135054177870.00163264.25149258.7532-8032-3.122108.25M76×３3610/140056185473.00169566.75154360.7532-8632-3.382178.56M82×３3 1/4635/145058190575.00174668.75160063.0032-8632-3.382228.75M82×３ 3 1/4645/150060199478.50182271.75165765.2528-9428-3.622339.19M90×３3 1/2680/ASME B16.5、B16.47A(MSS SP-44), CLASS 600 FLANGESize DKdn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/2120 4.7582.6 3.2535 1.384-224-0.8822.50.88M203/47575203/4130 5.1288.9 3.5043 1.694-224-0.8825.5 1.0M203/49090251150 5.88101.6 4.051 2.04-264-129 1.12M247/8909032 1 1/4160 6.25111.1 4.3864 2.504-264-129 1.12M247/8959540 1 1/21807.0123.8 4.8873 2.884-294-1.1232 1.25M2711101105022158.50165.1 6.5092 3.628-268-138.5 1.50M247/811011065 2 1/22459.62190.57.50105 4.128-298-1.1241.5 1.62M2711201208032409.5190.57.50127 5.08-268-138.5 1.50M247/8145145100429011.5235.09.25157 6.198-328-1.2544.5 1.75M30 1 1/8170170125535013.75279.411.01867.318-358-1.3851 2.0M33 1 1/4190190150638015.0317.512.502168.5012-3212-1.2556 2.19M30 1 1/8190195200847018.50393.715.5027010.6212-3912-1.5063.5 2.50M36×3 1 3/82202202501054521.5469.918.5032412.7516-3916-1.5070 2.75M36×3 1 3/82352353001261024.0533.421.038115.020-3920-1.5079.5 3.12M36×3 1 3/82552553501464025.25558.822.041316.2520-4220-1.6286 3.38M39×3 1 1/22752804001670527.7561624.2547018.5020-4520-1.7589 3.50M42×3 1 5/82852904501878531.0685.827.053321.020-5120-2.01024M48×3 1 7/83253355002085533.75749.329.5058423.020-5520-2.12108 4.25M52×3235036060024104041.0901.735.569227.2520-6820-2.62140 5.5M64×3 2 1/244045565026108642.75952.537.5074929.5020-7320-2.88140 5.50M70×3 2 3/445548070028116846.001022.340.2580031.5020-8020-3.12143 5.62M76×3347550075030123248.501085.942.7585733.7520-8020-3.12149 5.88M76×3348551580032131451.751155.745.5091436.0020-8620-3.38159 6.25M82×3 3 1/452054585034139755.001225.648.2596538.0020-9420-3.62165 6.50M90×3 3 1/254058090036146157.50128950.75102240.2520-9420-3.62171.5 6.75M90×3 3 1/256559595038146157.50128950.75109943.2520-9420-3.621917.50M90×33 1/2605/100040151159.501339.952.75116245.7524-9424-3.621977.75M90×3 3 1/2615/105042156261.501390.754.75121347.7524-9424-3.622068.12M90×3 3 1/2635/110044164864.881463.557.62127050.0024-9924-3.882148.44M95×3 3 3/4660/115046173468.251536.760.50133452.5024-10524-4.12225.58.88M100×34690/120048173470.251587.562.50138454.5024-10524-4.122339.19M100×34705/Size DKdASME B16.5、B16.47A(MSS SP-44), CLASS 900 FLANGEn-LC螺柱直径双头螺栓长度(mm)DN NPSmm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/2120 4.7682.6 3.2535 1.384-224-0.8822.50.88M203/4110110203/4130 5.1288.9 3.543 1.694-224-0.8825.51M203/4115115251150 5.88101.6451 2.04-264-129 1.12M247/812512532 1 1/4160 6.25111.1 4.3864 2.504-264-129 1.12M247/812512540 1 1/21807123.8 4.8873 2.884-294-1.1232 1.25M2711401405022158.5165.1 6.592 3.628-268-138.5 1.50M247/814514565 2 1/22459.62190.57.5105 4.128-298-1.1241.5 1.62M27116016080326510.5203.28127 5.08-328-1.2548 1.88M30 1 1/8180180100431012.25241.39.5157 6.198-358-1.3854 2.12M33 1 1/4195195125537514.75292.111.51867.318-428-1.6273.5 2.88M39×3 1 1/2250250150639515.5317.512.52168.5012-3912-1.5083 3.25M36×3 1 3/8260265200848519393.715.527010.6212-4512-1.7592 3.62M42×3 1 5/82903252501058523482.61932412.7512-5112-2108 4.25M48×3 1 7/83353453001267526.5571.522.538115.016-5516-2.12124 4.88M52×323753853501475029.56352541316.2516-6016-2.38133.5 5.25M56×3 2 1/44054254001682532.5704.827.7547018.5016-6816-2.62146.5 5.75M64×3 2 1/24454704501891536774.730.553321.016-7416-2.88162 6.38M70×3 2 3/44955255002098538.75831.832.7558423.016-8016-3.121787M76×3354056560024117046990.63969227.2516-9416-3.62203.58M90×33 1/2645650Size DKdASME B16.5、B16.47A(MSS SP-44), CLASS 1500 FLANGEn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/2135 5.2588.9 3.535 1.384-224-0.8830.5 1.19M203/4120120203/4140 5.595.2 3.7543 1.694-224-0.8832 1.25M203/4125125251160 6.25108 4.2551 2.04-264-135 1.38M247/814014032 1 1/41857.25130.2 5.1264 2.504-294-1.1238.5 1.5M27115015040 1 1/22058146 5.7573 2.884-324-1.2544.5 1.75M30 1 1/81701705022359.25171.4 6.7592 3.628-298-1.12512M27118018065 2 1/226510.5196.87.75105 4.128-328-1.2557.5 2.25M30 1 1/819520580330512228.69127 5.08-358-1.3867 2.62M33×3 1 1/422023010043551427310.75157 6.198-428-1.6276.53M39×3 1 1/2255260125542016.5323.812.751867.318-488-1.8892.5 3.62M45×3 1 3/4300310150648519368.314.502168.508-558-2.12108 4.25M52×32345355200855021.75438.217.2527010.6212-5512-2.121275M52×323803952501067526.5593.821.2532412.7512-6712-2.62165.5 6.5M64×3 2 1/24905103001276030619.124.3838115.012-7412-2.88184.57.25M70×32 3/4540560Size DKdASME B16.5、B16.47A(MSS SP-44), CLASS 2500 FLANGEn-LC螺柱直径双头螺栓长度(mm)。
国标法兰尺寸对照表
65
14
4
M12
45
2
12
19
20
25
105
75
14
4
M12
55
2
14
26
25
32
115
85
14
4
M12
65
2
14
33
32
38
140/135
100
18
4
M16
78
2
16
39
40
45
150/145
110
18
4
M16
85
3
18
46
50
57
165/160
125
18
4
M16
100
3
18
59
65
73
185/180
34
35
2
4
18
48
8
34
4
15
18
105
75
14
4
M12
55
39
40
2
4
18
48
12
38
5
20
25
130/125
90
18
4
M16
68
50
51
2
4
20,
56
18
48
5
25
32
140/135
100
18
4
M16
78
57
58
2
4
22
58
25
52
5
32
RF法兰尺寸对照表
DNNPS mm in mm in mm in mm in mm in mm in 凸面2mm 环连接151/290 3.5060.5 2.37535 1.3754-154-0.6210/M141/255/203/4100 3.87570 2.7543 1.68754-154-0.6210/M141/265/251110 4.2579.5 3.1255124-154-0.62120.44M141/2657532 1 1/4120 4.62589 3.5064 2.504-154-0.62130.50M141/2708540 1 1/2130598.5 3.87573 2.8754-154-0.62150.56M141/270855021506120.5 4.7592 3.6254-194-0.75160.62M165/8859565 2 1/21807139.5 5.50105 4.1254-194-0.75180.69M165/8901008031907.50152.5612754-194-0.75190.75M165/89010010042309190.57.50157 6.18758-198-0.88240.94M165/8901001255255102168.501867.31258-228-0.88240.94M203/495110150628011241.59.502168.508-228-0.88261M203/4100115200834513.50298.511.7527010.6258-228-0.8829 1.12M203/4110120250104051636214.2532412.7512-2512-131 1.19M247/81151253001248519432173811512-2512-132 1.25M247/8120135350145352147618.7541316.2512-2912-1.1235 1.38M2711351454001660023.5054021.2547018.5016-2916-1.1237 1.44M271135145450186352557822.755332116-3216-1.2540 1.56M30 1 1/81451605002070027.50635255842320-3220-1.2543 1.69M30 1 1/81601706002481532749.529.5069227.2520-3520-1.3848 1.88M33 1 1/41701856502687034.25806.531.7574929.5024-3524-1.3868 2.69M33 1 1/4210/7002892736.50863.634.0080031.5028-3528-1.3871 2.81M33 1 1/4220/7503098438.75914.436.0085733.7528-3528-1.3875 2.94M33 1 1/4230/80032106041.7597838.5091436.0028-4128-1.6281 3.19M39×3 1 1/2255/85034111143.75102940.5096538.0032-4132-1.6283 3.25M39×3 1 1/2260/90036116846.00108642.75102240.2532-4132-1.6290 3.56M39×3 1 1/2275/95038123848.751149.445.25107342.2532-4132-1.6287 3.44M39×3 1 1/2270/100040128950.751200.247.25112444.2536-4136-1.6290 3.56M39×3 1 1/2275/105042134653.001257.349.50119447.0036-4136-1.6297 3.81M39×3 1 1/2290/110044140355.251314.551.75124549.0040-4140-1.62102 4.00M39×3 1 1/2300/115046145457.251365.353.75129551.0040-4140-1.62103 4.06M39×3 1 1/2305/120048151159.501422.456.00135953.5044-4144-1.62108 4.25M39×3 1 1/2310/125050156861.751479.658.25141055.5044-4844-1.88111 4.38M45×3 1 3/4330/130052162664.00153760.50146157.5044-4844-1.88116 4.56M45×3 1 3/4340/135054168366.25159462.75151159.5044-4844-1.88121 4.75M45×3 1 3/4350/140056174668.75165165.00157562.0048-4848-1.88124 4.88M45×3 1 3/4355/145058180371.001708.267.25162664.0048-4848-1.88129 5.06M45×3 1 3/4365/150060185473.00175969.25167666.0052-4852-1.881325.19M45×31 3/4375/ASME B16.5、B16.47A(MSS SP-44), CLASS 150 FLANGESize DKdn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面2mm 环连接151/295 3.7566.7 2.6235 1.384-164-0.62150.56M141/26575203/4120 4.6282.5 3.2543 1.694-194-0.75160.62M165/87590251125 4.8889 3.5051 2.04-194-0.75180.69M165/8759032 1 1/4135 5.2598.5 3.8864 2.504-194-0.75190.75M165/8859540 1 1/2155 6.12114.5 4.5073 2.884-224-0.88210.81M203/490100502165 6.50127 5.092 3.628-198-0.62230.88M165/89010065 2 1/21907.50149 5.88105 4.128-228-0.88261M203/41001158032108.25168.5 6.62127 5.08-228-0.8829 1.12M203/41101201004255102007.88157 6.198-228-0.8832 1.25M203/41151251255280112359.251867.318-228-0.8835 1.38M203/4120135150632012.5027010.622168.5012-2212-0.8837 1.44M203/4120140200838015.033013.027010.6212-2612-142 1.62M247/81401502501044517.50387.515.2532412.7516-2916-1.1248 1.88M2711601703001252020.5045117.7538115.016-3216-1.25512M30 1 1/81701853501458523.0514.520.2541316.2520-3220-1.2554 2.12M30 1 1/81801904001665025.50571.522.5047018.5020-3520-1.3858 2.25M33 1 1/41902054501871028.0628.524.7553321.024-3524-1.3861 2.38M33 1 1/41952105002077530.5068627.058423.024-3524-1.3864 2.50M33 1 1/42052206002491536.081332.069227.2524-4124-1.6270 2.75M39×3 1 1/22302556502697238.25876.334.5074929.5028-4528-1.7579 3.12M42×3 1 5/826028570028103540.7593437.0080031.5028-4528-1.7586 3.38M42×3 1 5/827530075030109243.099739.2585733.7528-4828-1.8892 3.62M45×3 1 3/429032080032114945.251054.141.5091436.0028-5128-2.0099 3.88M48×3 1 7/831034085034120747.50110543.5096538.0032-5132-2.00102 4.00M48×3 1 7/831534590036127050.001168.446.00102240.2532-5432-2.12105 4.12M52×3233036095038116846.001092.243.00102940.5032-4132-1.62108 4.25M39×3 1 1/2310/100040123848.75115645.50108642.7532-4532-1.75114 4.50M42×3 1 5/8330/105042128950.75120747.50113744.7532-4532-1.75119 4.69M42×3 1 5/8340/110044135353.25126449.75119447.0032-4832-1.88124 4.88M45×3 1 3/4355/115046141655.75132152.00124549.0028-5128-2.00129 5.06M48×3 1 7/8370/120048146757.75137254.00130251.2532-5132-2.00133 5.25M48×3 1 7/8380/125050153060.25142956.25135953.5032-5532-2.12140 5.50M52×32400/130052158162.25148058.25141055.5032-5532-2.12145 5.69M52×32410/135054165765.25154961.00146757.7528-6028-2.38152 6.00M56×3 2 1/4435/140056170867.25160063.00151859.7528-6028-2.38154 6.06M56×3 2 1/4440/145058175969.25165165.00157562.0032-6032-2.38159 6.25M56×3 2 1/4450/150060181071.25170267.00162664.0032-6032-2.381646.44M56×32 1/4460/ASME B16.5、B16.47A(MSS SP-44), CLASS 300 FLANGESize DKdn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/295 3.7566.7 2.6235 1.384-164-0.62150.56M141/27575203/4120 4.6282.5 3.2543 1.694-194-0.75160.62M165/89090251125 4.8888.9 3.5051 2.04-194-0.75180.69M165/8909032 1 1/4135 5.2598.4 3.8864 2.504-194-0.75210.81M165/8959540 1 1/2155 6.12114.3 4.5073 2.884-224-0.8822.50.88M203/4110110502165 6.50127.0 5.0092 3.628-198-0.7525.5 1.00M165/811011065 2 1/21907.50149.2 5.88105 4.128-228-0.8829 1.12M203/41201208032108.25168.3 6.62127 5.08-228-0.8832 1.25M203/4125125100425510.00200.07.88157 6.198-268-1.0035 1.38M247/8140140125528011.00234.99.251867.318-268-1.0038.5 1.50M247/8145145150632012.50269.910.622168.5012-2612-1.0041.5 1.62M247/8150150200838015.00330.213.0027010.6212-2912-1.1248 1.88M2711701702501044517.50387.315.2532412.7516-3216-1.2554 2.12M30 1 1/81901903001252020.50450.817.7538115.016-3516-1.3857.5 2.25M33 1 1/42052053501458523.00514.320.2541316.2520-3520-1.3860.5 2.38M33 1 1/42102104001665025.50571.522.5047018.5020-3920-1.5063.5 2.50M36×３1 3/82202204501871028.00628.024.7553321.024-3924-1.5067 2.62M36×３ 1 3/82302305002077530.50685.827.0058423.024-4224-1.6270 2.75M39×３ 1 1/22402506002491536.00812.832.0069227.2524-4824-1.8876.5 3.00M45×３ 1 3/42652806502697238.25876.334.5074929.5028-4828-1.8889.0 3.50M45×３ 1 3/430032070028103540.7594037.0080031.5028-5128-2.0095.5 3.75M48×３ 1 7/832034075030109243.0099739.2585733.7528-5528-2.12102.0 4.00M52×３234036080032114945.251054.141.5091436.0028-5528-2.12108.0 4.25M52×３235537585034120747.50110543.5096538.0028-5528-2.12111.5 4.38M52×３236538590036127050.001168.446.00102240.2532-5532-2.12114.5 4.50M52×３237039095038120747.50111844.00103540.5032-4832-1.88124.0 4.88M45×３ 1 3/4370/100040127050.00117546.25109242.7532-5132-2.00130.0 5.12M48×３ 1 7/8385/105042132152.00122648.25114344.7532-5132-2.00133.5 5.25M48×３ 1 7/8395/110044138454.50128350.50120047.0032-5532-2.12134.0 5.50M52×３2405/115046144156.75134052.75125749.0036-5536-2.12146.0 5.75M52×３2425/120048151159.501403.355.25130851.2528-6028-2.38152.5 6.00M56×３ 2 1/4450/125050156861.75146157.50136253.5032-6032-2.38157.5 6.19M56×３ 2 1/4460/130052161963.751511.359.50141355.5032-6032-2.38162.0 6.38M56×３ 2 1/4470/135054170267.001581.162.25147057.7528-6728-2.62170.0 6.69M64×３ 2 1/2500/140056175369.001632.064.25152759.7532-6732-2.62175.0 6.88M64×３ 2 1/2510/145058180371.00168366.25157862.0032-6732-2.62178.07.00M64×３ 2 1/2515/150060188674.25175369.00163564.0032-7332-2.88186.07.31M70×３2 3/4545/ASME B16.5、B16.47A(MSS SP-44), CLASS 400 FLANGESize DKdn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/295 3.7566.7 2.6235 1.384-164-0.62150.56M141/27575203/4120 4.6282.5 3.2543 1.694-194-0.75160.62M165/89090251125 4.8888.9 3.5051 2.004-194-0.75180.69M165/8909032 1 1/4135 5.2598.4 3.8864 2.504-194-0.75210.81M165/8959540 1 1/2155 6.12114.3 4.5073 2.884-224-0.88230.88M203/4110110502165 6.50127 5.092 3.628-198-0.7526 1.00M165/811011065 2 1/21907.50149.2 5.88105 4.128-228-0.8829 1.12M203/41201208032108.25168.3 6.62127 5.08-228-0.8832 1.25M203/4125125100427510.75215.98.50157 6.198-268-1.0038 1.50M247/8145145125533013.0266.710.51867.318-298-1.1245 1.75M271165165150635514.0292.111.52168.5012-2912-1.1248 1.88M271170170200842016.50349.213.7527010.6212-3212-1.2556 2.19M301 1/81901902501051020.0431.817.032412.7516-3516-1.3864 2.50M33 1 1/42152153001256022.048919.2538115.020-3520-1.3867 2.62M33 1 1/42202203501460523.7552720.7541316.2520-3920-1.5070 2.75M36×３ 1 3/82352354001668527.0603.223.7547018.5020-4220-1.6277 3.00M39×３ 1 1/22552554501874529.2565425.7553321.020-4520-1.7583 3.25M42×３ 1 5/82752755002081532.0723.928.5058423.024-4524-1.7589 3.50M42×３1 5/82852906002494037.0838.233.069227.2524-5124-2.00102 4.00M48×３ 1 7/833033565026101640.00914.436.074929.5028-5128-2.00108 4.25M48×３ 1 7/835036070028107342.25965.238.080031.5028-5528-2.12111 4.38M52×３236038075030113044.501022.440.2585733.7528-5528-2.12114 4.50M52×３237038580032119447.001079.542.5091436.0028-6028-2.38117 4.62M56×３2 1/438040085034124549.001130.344.5096538.0028-6028-2.38121 4.75M56×３ 2 1/439041090036131451.75119447.00102240.2528-6728-2.62124 4.88M64×３ 2 1/241043095038127050.00116245.75105441.5028-6028-2.38152 6.00M56×３ 2 1/4450/100040132152.00121347.75111143.7532-6032-2.38159 6.25M56×３ 2 1/4465/105042140355.25128350.50116846.0028-6728-2.62168 6.62M64×３ 2 1/2500/110044145457.251333.552.50122648.2532-6732-2.62173 6.81M64×３ 2 1/2510/115046151159.50139154.75127650.2532-6732-2.621797.06M64×３ 2 1/2520/120048159462.751460.557.50133452.5032-7332-2.881897.44M70×３ 2 3/4555/125050167065.75152460.00138454.5028-8028-3.121977.75M76×３3580/130052172167.75157562.00143556.5032-8032-3.122038.00M76×３3595/135054177870.00163264.25149258.7532-8032-3.122108.25M76×３3610/140056185473.00169566.75154360.7532-8632-3.382178.56M82×３3 1/4635/145058190575.00174668.75160063.0032-8632-3.382228.75M82×３ 3 1/4645/150060199478.50182271.75165765.2528-9428-3.622339.19M90×３3 1/2680/ASME B16.5、B16.47A(MSS SP-44), CLASS 600 FLANGESize DKdn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/2120 4.7582.6 3.2535 1.384-224-0.8822.50.88M203/47575203/4130 5.1288.9 3.5043 1.694-224-0.8825.5 1.0M203/49090251150 5.88101.6 4.051 2.04-264-129 1.12M247/8909032 1 1/4160 6.25111.1 4.3864 2.504-264-129 1.12M247/8959540 1 1/21807.0123.8 4.8873 2.884-294-1.1232 1.25M2711101105022158.50165.1 6.5092 3.628-268-138.5 1.50M247/811011065 2 1/22459.62190.57.50105 4.128-298-1.1241.5 1.62M2711201208032409.5190.57.50127 5.08-268-138.5 1.50M247/8145145100429011.5235.09.25157 6.198-328-1.2544.5 1.75M30 1 1/8170170125535013.75279.411.01867.318-358-1.3851 2.0M33 1 1/4190190150638015.0317.512.502168.5012-3212-1.2556 2.19M30 1 1/8190195200847018.50393.715.5027010.6212-3912-1.5063.5 2.50M36×3 1 3/82202202501054521.5469.918.5032412.7516-3916-1.5070 2.75M36×3 1 3/82352353001261024.0533.421.038115.020-3920-1.5079.5 3.12M36×3 1 3/82552553501464025.25558.822.041316.2520-4220-1.6286 3.38M39×3 1 1/22752804001670527.7561624.2547018.5020-4520-1.7589 3.50M42×3 1 5/82852904501878531.0685.827.053321.020-5120-2.01024M48×3 1 7/83253355002085533.75749.329.5058423.020-5520-2.12108 4.25M52×3235036060024104041.0901.735.569227.2520-6820-2.62140 5.5M64×3 2 1/244045565026108642.75952.537.5074929.5020-7320-2.88140 5.50M70×3 2 3/445548070028116846.001022.340.2580031.5020-8020-3.12143 5.62M76×3347550075030123248.501085.942.7585733.7520-8020-3.12149 5.88M76×3348551580032131451.751155.745.5091436.0020-8620-3.38159 6.25M82×3 3 1/452054585034139755.001225.648.2596538.0020-9420-3.62165 6.50M90×3 3 1/254058090036146157.50128950.75102240.2520-9420-3.62171.5 6.75M90×3 3 1/256559595038146157.50128950.75109943.2520-9420-3.621917.50M90×33 1/2605/100040151159.501339.952.75116245.7524-9424-3.621977.75M90×3 3 1/2615/105042156261.501390.754.75121347.7524-9424-3.622068.12M90×3 3 1/2635/110044164864.881463.557.62127050.0024-9924-3.882148.44M95×3 3 3/4660/115046173468.251536.760.50133452.5024-10524-4.12225.58.88M100×34690/120048173470.251587.562.50138454.5024-10524-4.122339.19M100×34705/Size DKdASME B16.5、B16.47A(MSS SP-44), CLASS 900 FLANGEn-LC螺柱直径双头螺栓长度(mm)DN NPSmm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/2120 4.7682.6 3.2535 1.384-224-0.8822.50.88M203/4110110203/4130 5.1288.9 3.543 1.694-224-0.8825.51M203/4115115251150 5.88101.6451 2.04-264-129 1.12M247/812512532 1 1/4160 6.25111.1 4.3864 2.504-264-129 1.12M247/812512540 1 1/21807123.8 4.8873 2.884-294-1.1232 1.25M2711401405022158.5165.1 6.592 3.628-268-138.5 1.50M247/814514565 2 1/22459.62190.57.5105 4.128-298-1.1241.5 1.62M27116016080326510.5203.28127 5.08-328-1.2548 1.88M30 1 1/8180180100431012.25241.39.5157 6.198-358-1.3854 2.12M33 1 1/4195195125537514.75292.111.51867.318-428-1.6273.5 2.88M39×3 1 1/2250250150639515.5317.512.52168.5012-3912-1.5083 3.25M36×3 1 3/8260265200848519393.715.527010.6212-4512-1.7592 3.62M42×3 1 5/82903252501058523482.61932412.7512-5112-2108 4.25M48×3 1 7/83353453001267526.5571.522.538115.016-5516-2.12124 4.88M52×323753853501475029.56352541316.2516-6016-2.38133.5 5.25M56×3 2 1/44054254001682532.5704.827.7547018.5016-6816-2.62146.5 5.75M64×3 2 1/24454704501891536774.730.553321.016-7416-2.88162 6.38M70×3 2 3/44955255002098538.75831.832.7558423.016-8016-3.121787M76×3354056560024117046990.63969227.2516-9416-3.62203.58M90×33 1/2645650Size DKdASME B16.5、B16.47A(MSS SP-44), CLASS 1500 FLANGEn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/2135 5.2588.9 3.535 1.384-224-0.8830.5 1.19M203/4120120203/4140 5.595.2 3.7543 1.694-224-0.8832 1.25M203/4125125251160 6.25108 4.2551 2.04-264-135 1.38M247/814014032 1 1/41857.25130.2 5.1264 2.504-294-1.1238.5 1.5M27115015040 1 1/22058146 5.7573 2.884-324-1.2544.5 1.75M30 1 1/81701705022359.25171.4 6.7592 3.628-298-1.12512M27118018065 2 1/226510.5196.87.75105 4.128-328-1.2557.5 2.25M30 1 1/819520580330512228.69127 5.08-358-1.3867 2.62M33×3 1 1/422023010043551427310.75157 6.198-428-1.6276.53M39×3 1 1/2255260125542016.5323.812.751867.318-488-1.8892.5 3.62M45×3 1 3/4300310150648519368.314.502168.508-558-2.12108 4.25M52×32345355200855021.75438.217.2527010.6212-5512-2.121275M52×323803952501067526.5593.821.2532412.7512-6712-2.62165.5 6.5M64×3 2 1/24905103001276030619.124.3838115.012-7412-2.88184.57.25M70×32 3/4540560Size DKdASME B16.5、B16.47A(MSS SP-44), CLASS 2500 FLANGEn-LC螺柱直径双头螺栓长度(mm)。
各种标准法兰尺寸对照
| | 各种标准法兰尺寸对照公称通径PN16（GB PN10 (GB - 84) PN6(GB - 84)外圆孔距螺栓孔数外圆孔距螺栓孔数外圆孔距螺栓孔数15 - - - - 95 65 M12 4 - - - -20 - - - - 105 75 M12 4 - - - -25 - - - - 115 85 M12 4 - - - -32 - - - - 140 100 M16 4 - - - -40 150 110 M16 4 150 110 M16 4 130 100 M12 450 165 125 M16 4 165 125 M16 4 140 110 M12 465 185 145 M16 4 185 145 M16 4 160 130 M12 480 200 160 M16 8 200 160 M16 8 190 150 M16 4100 220 180 M16 8 220 180 M16 8 210 170 M16 4 125 250 210 M16 8 250 210 M16 8 240 200 M16 8 150 285 240 M20 8 285 240 M20 8 265 225 M16 8 200 340 295 M20 12 340 295 M20 8 320 280 M16 8 250 405 355 M24 12 395 350 M20 12 375 335 M16 12 300 460 410 M24 12 445 400 M20 12 440 395 M20 12 350 520 460 M24 16 505 460 M20 16 490 445 M20 12 400 580 525 M27 16 565 515 M24 16 540 495 M20 16DIN PN10 \ JIS 10K \ANSI 150LBS 法兰尺寸对照表尺寸1/2"3/4"1"11/4"11/2"2"21/2"3"4"5"6"8"10"12"承插口径DIN2025324050637590110140160225250315 ANSI73JIS2226323848607689114140165216267318螺孔距DIN657585100110125145160180210240295350400 ANSI6070798998121140152191241298362432 JIS7075900100105120140150175210240290355400螺孔数/直径DIN4-144-188-188-2312-23 ANSI4-164-198-198-2212-2412-25 JIS4-154-198-198-2312-2312-2516-25法兰外圆直径DIN95105115140150165185200220250285340396445 ANSI8998108117127152178191229254284343406481 JIS95100125135140155175185210250280330400445船用法兰尺寸解释日期：2009-07-11船用法兰在很多地方使用。
美标与国标压力管径法兰关系对照表精选版
美标与国标压力管径法兰关系对照表Document serial number【KKGB-LBS98YT-BS8CB-BSUT-BST108】美标与国标压力、管径、法兰关系对照表ANSI是美国国家标准学会（AMERICAN NATIONAL STANDARDS INSTITUTE: ANSI）的简称。
一、美标压力与公称压力关系ANSI标准压力磅级与公称压力的关系表1bf/in2===1kgf/cm2=in2=1bar=in2=cm2ASME标准压力磅级与公称压力的关系表二、美标压力与公称压力关系三、美标、日标、德标法兰尺寸表法兰标准尺寸表一、ANSI150、300、400、600、900、1500、2500RF法兰尺寸表（美标）二、ANSI 150、300、600、900、1500、2500RJ法兰尺寸表三、JIS 10K、16K、20K、30K、40K、63K、RF、FF法兰尺寸表（日标）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DN D D1D2D3t f n-d M 25140100702227140-2320 4017513090353224-2522 50185145105483428-2320 65220175130573828-2522 80230185140734028-2522 100270220165994428-2724 1253252652001215028-3330 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 209843194-1512 2510851254-1512 4012773384-1512 5015292514-1916 65178105644-1916 80190127764-1916 1002291571028-1916 1252541861258-2220 1502792161528-2220 2003432702048-2220 25040632425412-2522 30048338130512-2522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 2011743194-1916。
国标法兰尺寸对照表
24
161
175
194
310
270
23
8
M20
240
3
24
196
200
219
340/335
295
23
8
M20
265
3
24
222
225
245
365
325
23
8
M20
295
3
24
248
250
273
395/390
350
23
12
M20
320
3
26
276
300
325
445/440
400
23
12
M20
368
4
28
M30/M33
1115
5
38
1020
90参考
1100
1120
1340
1270
36
28
M33
1222
5
40
125参考
1200
1220
1455/1450
1380
39/41
32
M36
1325
5
44
1223
143参考
凸面平焊钢制管法兰 PN (16bar)MM
公称通径DN
管子外径A
连接尺寸
密封尺寸
法兰厚度C
f1f2
数量n
螺纹Th系列1/系列2
A型
B型
10
14
100
70
14
4
M12
50
34
35
2
4
18
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）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 25108254-1512 40127384-1512 50152514-1916 65178644-1916 80190764-1916 1002291028-1916 1252542161278-2320 1502791528-2320 200343273203358-2320 25040636225412-2522 30048343230538112-2522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 20117194-1916 2512489254-1916 40156384-2320 5016512710851888-1916 6519014912764888-2320 8021016814676888-2320 100254200102888-2320 12527923512743888-2320 1503182701528812-2320 2003813302038812-2522 2504442548816-3027 3005214513058381816-3330三、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 14-1916 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 209843194-1512 2510851254-1512 4012773384-1512 5015292514-1916 65178105644-1916 80190127764-1916 1002291571028-1916 1252541861258-2220 1502792161528-2220 2003432702048-2220 25040632425412-2522 30048338130512-2522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 2011743194-1916 2512451254-1916 4015673384-2220 5016592518-1916 65190105648-2220 80210127768-2220 1002541571028-2220 1252791861258-2220 15031821615212-2220 20038127020412-2522 25044432425416-2927 30052138130516-3230五、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 159565452164-1412 2010575582184-1412 2511585682184-1412 32140100782184-1816 40150110882184-1816 501651*********-1816 651851*********-1816 802001601383248-1816 1002351901623248-2220 125270220188 3 268-2624 1503002502183288-2624 20037532028533412-3027 25045038534533812-3330。
各类标准法兰尺寸对照表(完整版)
4
2 DN 50 165 125 18
4
21 /2 DN 65 185 145 18
4
3 DN 80 200 160 18
8
31 /2 DN 100 220 180 18
8
4 DN 125 250 210 18
8
5 DN 150 285 240 22
8
6 DN 200 340 295 22
8
8 DN 250 395 350 22
19
175 140
19
3 DN 80 185 150 19
8
1
3 /2 DN90 195 160 19
8
18 DN 80 18 DN90
200 160
22
210 170
22
4 DN 100 210 175 19
8
18 DN 100
225 185
22
5 DN 125 250 210 23
8
20 DN 125
ANSI 标准 150型
10kg=1.0MPa
in 公称通径 法兰 螺栓孔 螺栓直
外径
距
径
螺栓孔数
3/8 DN 10
法兰厚度
公称通径
DN 10
1/2 DN 15
DN 15
3/4 DN 20
DN 20
1 DN 25
11 /4 DN 32
11 /2 DN 40 127 98.5
16
DN 25 DN 32
4
14.3 DN 40
2 DN 50 152 120.5 19 21 /2 DN 65 178 139.5 19
4
15.9 DN 50
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
DNNPS mm in mm in mm in mm in mm in mm in 凸面2mm 环连接151/290 3.5060.5 2.37535 1.3754-154-0.6210/M141/255/203/4100 3.87570 2.7543 1.68754-154-0.6210/M141/265/251110 4.2579.5 3.1255124-154-0.62120.44M141/2657532 1 1/4120 4.62589 3.5064 2.504-154-0.62130.50M141/2708540 1 1/2130598.5 3.87573 2.8754-154-0.62150.56M141/270855021506120.5 4.7592 3.6254-194-0.75160.62M165/8859565 2 1/21807139.5 5.50105 4.1254-194-0.75180.69M165/8901008031907.50152.5612754-194-0.75190.75M165/89010010042309190.57.50157 6.18758-198-0.88240.94M165/8901001255255102168.501867.31258-228-0.88240.94M203/495110150628011241.59.502168.508-228-0.88261M203/4100115200834513.50298.511.7527010.6258-228-0.8829 1.12M203/4110120250104051636214.2532412.7512-2512-131 1.19M247/81151253001248519432173811512-2512-132 1.25M247/8120135350145352147618.7541316.2512-2912-1.1235 1.38M2711351454001660023.5054021.2547018.5016-2916-1.1237 1.44M271135145450186352557822.755332116-3216-1.2540 1.56M30 1 1/81451605002070027.50635255842320-3220-1.2543 1.69M30 1 1/81601706002481532749.529.5069227.2520-3520-1.3848 1.88M33 1 1/41701856502687034.25806.531.7574929.5024-3524-1.3868 2.69M33 1 1/4210/7002892736.50863.634.0080031.5028-3528-1.3871 2.81M33 1 1/4220/7503098438.75914.436.0085733.7528-3528-1.3875 2.94M33 1 1/4230/80032106041.7597838.5091436.0028-4128-1.6281 3.19M39×3 1 1/2255/85034111143.75102940.5096538.0032-4132-1.6283 3.25M39×3 1 1/2260/90036116846.00108642.75102240.2532-4132-1.6290 3.56M39×3 1 1/2275/95038123848.751149.445.25107342.2532-4132-1.6287 3.44M39×3 1 1/2270/100040128950.751200.247.25112444.2536-4136-1.6290 3.56M39×3 1 1/2275/105042134653.001257.349.50119447.0036-4136-1.6297 3.81M39×3 1 1/2290/110044140355.251314.551.75124549.0040-4140-1.62102 4.00M39×3 1 1/2300/115046145457.251365.353.75129551.0040-4140-1.62103 4.06M39×3 1 1/2305/120048151159.501422.456.00135953.5044-4144-1.62108 4.25M39×3 1 1/2310/125050156861.751479.658.25141055.5044-4844-1.88111 4.38M45×3 1 3/4330/130052162664.00153760.50146157.5044-4844-1.88116 4.56M45×3 1 3/4340/135054168366.25159462.75151159.5044-4844-1.88121 4.75M45×3 1 3/4350/140056174668.75165165.00157562.0048-4848-1.88124 4.88M45×3 1 3/4355/145058180371.001708.267.25162664.0048-4848-1.88129 5.06M45×3 1 3/4365/150060185473.00175969.25167666.0052-4852-1.881325.19M45×31 3/4375/ASME B16.5、B16.47A(MSS SP-44), CLASS 150 FLANGESize DKdn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面2mm 环连接151/295 3.7566.7 2.6235 1.384-164-0.62150.56M141/26575203/4120 4.6282.5 3.2543 1.694-194-0.75160.62M165/87590251125 4.8889 3.5051 2.04-194-0.75180.69M165/8759032 1 1/4135 5.2598.5 3.8864 2.504-194-0.75190.75M165/8859540 1 1/2155 6.12114.5 4.5073 2.884-224-0.88210.81M203/490100502165 6.50127 5.092 3.628-198-0.62230.88M165/89010065 2 1/21907.50149 5.88105 4.128-228-0.88261M203/41001158032108.25168.5 6.62127 5.08-228-0.8829 1.12M203/41101201004255102007.88157 6.198-228-0.8832 1.25M203/41151251255280112359.251867.318-228-0.8835 1.38M203/4120135150632012.5027010.622168.5012-2212-0.8837 1.44M203/4120140200838015.033013.027010.6212-2612-142 1.62M247/81401502501044517.50387.515.2532412.7516-2916-1.1248 1.88M2711601703001252020.5045117.7538115.016-3216-1.25512M30 1 1/81701853501458523.0514.520.2541316.2520-3220-1.2554 2.12M30 1 1/81801904001665025.50571.522.5047018.5020-3520-1.3858 2.25M33 1 1/41902054501871028.0628.524.7553321.024-3524-1.3861 2.38M33 1 1/41952105002077530.5068627.058423.024-3524-1.3864 2.50M33 1 1/42052206002491536.081332.069227.2524-4124-1.6270 2.75M39×3 1 1/22302556502697238.25876.334.5074929.5028-4528-1.7579 3.12M42×3 1 5/826028570028103540.7593437.0080031.5028-4528-1.7586 3.38M42×3 1 5/827530075030109243.099739.2585733.7528-4828-1.8892 3.62M45×3 1 3/429032080032114945.251054.141.5091436.0028-5128-2.0099 3.88M48×3 1 7/831034085034120747.50110543.5096538.0032-5132-2.00102 4.00M48×3 1 7/831534590036127050.001168.446.00102240.2532-5432-2.12105 4.12M52×3233036095038116846.001092.243.00102940.5032-4132-1.62108 4.25M39×3 1 1/2310/100040123848.75115645.50108642.7532-4532-1.75114 4.50M42×3 1 5/8330/105042128950.75120747.50113744.7532-4532-1.75119 4.69M42×3 1 5/8340/110044135353.25126449.75119447.0032-4832-1.88124 4.88M45×3 1 3/4355/115046141655.75132152.00124549.0028-5128-2.00129 5.06M48×3 1 7/8370/120048146757.75137254.00130251.2532-5132-2.00133 5.25M48×3 1 7/8380/125050153060.25142956.25135953.5032-5532-2.12140 5.50M52×32400/130052158162.25148058.25141055.5032-5532-2.12145 5.69M52×32410/135054165765.25154961.00146757.7528-6028-2.38152 6.00M56×3 2 1/4435/140056170867.25160063.00151859.7528-6028-2.38154 6.06M56×3 2 1/4440/145058175969.25165165.00157562.0032-6032-2.38159 6.25M56×3 2 1/4450/150060181071.25170267.00162664.0032-6032-2.381646.44M56×32 1/4460/ASME B16.5、B16.47A(MSS SP-44), CLASS 300 FLANGESize DKdn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/295 3.7566.7 2.6235 1.384-164-0.62150.56M141/27575203/4120 4.6282.5 3.2543 1.694-194-0.75160.62M165/89090251125 4.8888.9 3.5051 2.04-194-0.75180.69M165/8909032 1 1/4135 5.2598.4 3.8864 2.504-194-0.75210.81M165/8959540 1 1/2155 6.12114.3 4.5073 2.884-224-0.8822.50.88M203/4110110502165 6.50127.0 5.0092 3.628-198-0.7525.5 1.00M165/811011065 2 1/21907.50149.2 5.88105 4.128-228-0.8829 1.12M203/41201208032108.25168.3 6.62127 5.08-228-0.8832 1.25M203/4125125100425510.00200.07.88157 6.198-268-1.0035 1.38M247/8140140125528011.00234.99.251867.318-268-1.0038.5 1.50M247/8145145150632012.50269.910.622168.5012-2612-1.0041.5 1.62M247/8150150200838015.00330.213.0027010.6212-2912-1.1248 1.88M2711701702501044517.50387.315.2532412.7516-3216-1.2554 2.12M30 1 1/81901903001252020.50450.817.7538115.016-3516-1.3857.5 2.25M33 1 1/42052053501458523.00514.320.2541316.2520-3520-1.3860.5 2.38M33 1 1/42102104001665025.50571.522.5047018.5020-3920-1.5063.5 2.50M36×３1 3/82202204501871028.00628.024.7553321.024-3924-1.5067 2.62M36×３ 1 3/82302305002077530.50685.827.0058423.024-4224-1.6270 2.75M39×３ 1 1/22402506002491536.00812.832.0069227.2524-4824-1.8876.5 3.00M45×３ 1 3/42652806502697238.25876.334.5074929.5028-4828-1.8889.0 3.50M45×３ 1 3/430032070028103540.7594037.0080031.5028-5128-2.0095.5 3.75M48×３ 1 7/832034075030109243.0099739.2585733.7528-5528-2.12102.0 4.00M52×３234036080032114945.251054.141.5091436.0028-5528-2.12108.0 4.25M52×３235537585034120747.50110543.5096538.0028-5528-2.12111.5 4.38M52×３236538590036127050.001168.446.00102240.2532-5532-2.12114.5 4.50M52×３237039095038120747.50111844.00103540.5032-4832-1.88124.0 4.88M45×３ 1 3/4370/100040127050.00117546.25109242.7532-5132-2.00130.0 5.12M48×３ 1 7/8385/105042132152.00122648.25114344.7532-5132-2.00133.5 5.25M48×３ 1 7/8395/110044138454.50128350.50120047.0032-5532-2.12134.0 5.50M52×３2405/115046144156.75134052.75125749.0036-5536-2.12146.0 5.75M52×３2425/120048151159.501403.355.25130851.2528-6028-2.38152.5 6.00M56×３ 2 1/4450/125050156861.75146157.50136253.5032-6032-2.38157.5 6.19M56×３ 2 1/4460/130052161963.751511.359.50141355.5032-6032-2.38162.0 6.38M56×３ 2 1/4470/135054170267.001581.162.25147057.7528-6728-2.62170.0 6.69M64×３ 2 1/2500/140056175369.001632.064.25152759.7532-6732-2.62175.0 6.88M64×３ 2 1/2510/145058180371.00168366.25157862.0032-6732-2.62178.07.00M64×３ 2 1/2515/150060188674.25175369.00163564.0032-7332-2.88186.07.31M70×３2 3/4545/ASME B16.5、B16.47A(MSS SP-44), CLASS 400 FLANGESize DKdn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/295 3.7566.7 2.6235 1.384-164-0.62150.56M141/27575203/4120 4.6282.5 3.2543 1.694-194-0.75160.62M165/89090251125 4.8888.9 3.5051 2.004-194-0.75180.69M165/8909032 1 1/4135 5.2598.4 3.8864 2.504-194-0.75210.81M165/8959540 1 1/2155 6.12114.3 4.5073 2.884-224-0.88230.88M203/4110110502165 6.50127 5.092 3.628-198-0.7526 1.00M165/811011065 2 1/21907.50149.2 5.88105 4.128-228-0.8829 1.12M203/41201208032108.25168.3 6.62127 5.08-228-0.8832 1.25M203/4125125100427510.75215.98.50157 6.198-268-1.0038 1.50M247/8145145125533013.0266.710.51867.318-298-1.1245 1.75M271165165150635514.0292.111.52168.5012-2912-1.1248 1.88M271170170200842016.50349.213.7527010.6212-3212-1.2556 2.19M301 1/81901902501051020.0431.817.032412.7516-3516-1.3864 2.50M33 1 1/42152153001256022.048919.2538115.020-3520-1.3867 2.62M33 1 1/42202203501460523.7552720.7541316.2520-3920-1.5070 2.75M36×３ 1 3/82352354001668527.0603.223.7547018.5020-4220-1.6277 3.00M39×３ 1 1/22552554501874529.2565425.7553321.020-4520-1.7583 3.25M42×３ 1 5/82752755002081532.0723.928.5058423.024-4524-1.7589 3.50M42×３1 5/82852906002494037.0838.233.069227.2524-5124-2.00102 4.00M48×３ 1 7/833033565026101640.00914.436.074929.5028-5128-2.00108 4.25M48×３ 1 7/835036070028107342.25965.238.080031.5028-5528-2.12111 4.38M52×３236038075030113044.501022.440.2585733.7528-5528-2.12114 4.50M52×３237038580032119447.001079.542.5091436.0028-6028-2.38117 4.62M56×３2 1/438040085034124549.001130.344.5096538.0028-6028-2.38121 4.75M56×３ 2 1/439041090036131451.75119447.00102240.2528-6728-2.62124 4.88M64×３ 2 1/241043095038127050.00116245.75105441.5028-6028-2.38152 6.00M56×３ 2 1/4450/100040132152.00121347.75111143.7532-6032-2.38159 6.25M56×３ 2 1/4465/105042140355.25128350.50116846.0028-6728-2.62168 6.62M64×３ 2 1/2500/110044145457.251333.552.50122648.2532-6732-2.62173 6.81M64×３ 2 1/2510/115046151159.50139154.75127650.2532-6732-2.621797.06M64×３ 2 1/2520/120048159462.751460.557.50133452.5032-7332-2.881897.44M70×３ 2 3/4555/125050167065.75152460.00138454.5028-8028-3.121977.75M76×３3580/130052172167.75157562.00143556.5032-8032-3.122038.00M76×３3595/135054177870.00163264.25149258.7532-8032-3.122108.25M76×３3610/140056185473.00169566.75154360.7532-8632-3.382178.56M82×３3 1/4635/145058190575.00174668.75160063.0032-8632-3.382228.75M82×３ 3 1/4645/150060199478.50182271.75165765.2528-9428-3.622339.19M90×３3 1/2680/ASME B16.5、B16.47A(MSS SP-44), CLASS 600 FLANGESize DKdn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/2120 4.7582.6 3.2535 1.384-224-0.8822.50.88M203/47575203/4130 5.1288.9 3.5043 1.694-224-0.8825.5 1.0M203/49090251150 5.88101.6 4.051 2.04-264-129 1.12M247/8909032 1 1/4160 6.25111.1 4.3864 2.504-264-129 1.12M247/8959540 1 1/21807.0123.8 4.8873 2.884-294-1.1232 1.25M2711101105022158.50165.1 6.5092 3.628-268-138.5 1.50M247/811011065 2 1/22459.62190.57.50105 4.128-298-1.1241.5 1.62M2711201208032409.5190.57.50127 5.08-268-138.5 1.50M247/8145145100429011.5235.09.25157 6.198-328-1.2544.5 1.75M30 1 1/8170170125535013.75279.411.01867.318-358-1.3851 2.0M33 1 1/4190190150638015.0317.512.502168.5012-3212-1.2556 2.19M30 1 1/8190195200847018.50393.715.5027010.6212-3912-1.5063.5 2.50M36×3 1 3/82202202501054521.5469.918.5032412.7516-3916-1.5070 2.75M36×3 1 3/82352353001261024.0533.421.038115.020-3920-1.5079.5 3.12M36×3 1 3/82552553501464025.25558.822.041316.2520-4220-1.6286 3.38M39×3 1 1/22752804001670527.7561624.2547018.5020-4520-1.7589 3.50M42×3 1 5/82852904501878531.0685.827.053321.020-5120-2.01024M48×3 1 7/83253355002085533.75749.329.5058423.020-5520-2.12108 4.25M52×3235036060024104041.0901.735.569227.2520-6820-2.62140 5.5M64×3 2 1/244045565026108642.75952.537.5074929.5020-7320-2.88140 5.50M70×3 2 3/445548070028116846.001022.340.2580031.5020-8020-3.12143 5.62M76×3347550075030123248.501085.942.7585733.7520-8020-3.12149 5.88M76×3348551580032131451.751155.745.5091436.0020-8620-3.38159 6.25M82×3 3 1/452054585034139755.001225.648.2596538.0020-9420-3.62165 6.50M90×3 3 1/254058090036146157.50128950.75102240.2520-9420-3.62171.5 6.75M90×3 3 1/256559595038146157.50128950.75109943.2520-9420-3.621917.50M90×33 1/2605/100040151159.501339.952.75116245.7524-9424-3.621977.75M90×3 3 1/2615/105042156261.501390.754.75121347.7524-9424-3.622068.12M90×3 3 1/2635/110044164864.881463.557.62127050.0024-9924-3.882148.44M95×3 3 3/4660/115046173468.251536.760.50133452.5024-10524-4.12225.58.88M100×34690/120048173470.251587.562.50138454.5024-10524-4.122339.19M100×34705/Size DKdASME B16.5、B16.47A(MSS SP-44), CLASS 900 FLANGEn-LC螺柱直径双头螺栓长度(mm)DN NPSmm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/2120 4.7682.6 3.2535 1.384-224-0.8822.50.88M203/4110110203/4130 5.1288.9 3.543 1.694-224-0.8825.51M203/4115115251150 5.88101.6451 2.04-264-129 1.12M247/812512532 1 1/4160 6.25111.1 4.3864 2.504-264-129 1.12M247/812512540 1 1/21807123.8 4.8873 2.884-294-1.1232 1.25M2711401405022158.5165.1 6.592 3.628-268-138.5 1.50M247/814514565 2 1/22459.62190.57.5105 4.128-298-1.1241.5 1.62M27116016080326510.5203.28127 5.08-328-1.2548 1.88M30 1 1/8180180100431012.25241.39.5157 6.198-358-1.3854 2.12M33 1 1/4195195125537514.75292.111.51867.318-428-1.6273.5 2.88M39×3 1 1/2250250150639515.5317.512.52168.5012-3912-1.5083 3.25M36×3 1 3/8260265200848519393.715.527010.6212-4512-1.7592 3.62M42×3 1 5/82903252501058523482.61932412.7512-5112-2108 4.25M48×3 1 7/83353453001267526.5571.522.538115.016-5516-2.12124 4.88M52×323753853501475029.56352541316.2516-6016-2.38133.5 5.25M56×3 2 1/44054254001682532.5704.827.7547018.5016-6816-2.62146.5 5.75M64×3 2 1/24454704501891536774.730.553321.016-7416-2.88162 6.38M70×3 2 3/44955255002098538.75831.832.7558423.016-8016-3.121787M76×3354056560024117046990.63969227.2516-9416-3.62203.58M90×33 1/2645650Size DKdASME B16.5、B16.47A(MSS SP-44), CLASS 1500 FLANGEn-LC螺柱直径双头螺栓长度(mm)DNNPS mm in mm in mm in mm in mm in mm in 凸面6.4mm 环连接151/2135 5.2588.9 3.535 1.384-224-0.8830.5 1.19M203/4120120203/4140 5.595.2 3.7543 1.694-224-0.8832 1.25M203/4125125251160 6.25108 4.2551 2.04-264-135 1.38M247/814014032 1 1/41857.25130.2 5.1264 2.504-294-1.1238.5 1.5M27115015040 1 1/22058146 5.7573 2.884-324-1.2544.5 1.75M30 1 1/81701705022359.25171.4 6.7592 3.628-298-1.12512M27118018065 2 1/226510.5196.87.75105 4.128-328-1.2557.5 2.25M30 1 1/819520580330512228.69127 5.08-358-1.3867 2.62M33×3 1 1/422023010043551427310.75157 6.198-428-1.6276.53M39×3 1 1/2255260125542016.5323.812.751867.318-488-1.8892.5 3.62M45×3 1 3/4300310150648519368.314.502168.508-558-2.12108 4.25M52×32345355200855021.75438.217.2527010.6212-5512-2.121275M52×323803952501067526.5593.821.2532412.7512-6712-2.62165.5 6.5M64×3 2 1/24905103001276030619.124.3838115.012-7412-2.88184.57.25M70×32 3/4540560Size DKdASME B16.5、B16.47A(MSS SP-44), CLASS 2500 FLANGEn-LC螺柱直径双头螺栓长度(mm)。