美标与国标压力、管径、法兰关系对照表

美标与国标压力、管径、法兰关系对照ANSI是美国国家学会（AMERICANNATIONALSTANDARDSINSTITUTE: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序号ANSI标准压力级Class公称压力PNMPaBarKgf/cm211502.02020.423005.05051.034006.86869.4460010.0100102.0580013.51358137.7690015.0150153.07150025.0250255.08250042.0420428.09300050.5505515.010350059.0590601.01bf/in2=6894.757Pa=0.00689Mpa=0.0689bar1kgf/cm2=14.22bf/in2=0.9807bar1bar=14.5bf/in2=1.02kgf/cm2ASME标准压力磅级与公称压力的关系表ASME磅级ASMEClass15030040060080090015002500公称压力MPa0.6MPa1.0MPa1.6MPa2.0MPa2.5MPa4.0MPa5.0MPa6.4MPa10.0MPa-15.0MPa25.0MPa42.0MPa公称压力PNPN6PN10PN16PN20PN25PN40PN50PN6.4PN100-PN150PN250PN420二、美标压力与公称压力关系ANSI标准管径与国标管径比较ANSIGBANSIGBANSIGB1/2in12.7mm4in100mm12in300mm1in25.4mm6in150mm14in350mm2in50mm8in200mm16in400mm3in80mm10in250mm18in450mm20in500mm24in600mm30in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-dM2510879.563.52520.76.447.66.48.74-15124012798.582.63823.96.465.16.48.74-151250152120.5101.65125.56.482.66.48.74-191665178139.5120.66428.76.4101.66.48.74-191680190152.5133.47630.36.4114.36.48.74-1916100229190.5171.410230.36.4149.26.48.78-1916125254216193.712730.36.4171.56.48.78-2320150279241.5219.115231.86.4193.66.48.78-2320200343298.5273203356.4247.76.48.78-2320250406362330.225436.66.4304.86.48.712-2522300483432406.430538.26.43816.48.712-2522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-dM209870.0431912.71.64-15122510879.5512514.31.64-15124012798.5733817.51.64-151250152120.5925119.11.64-191665178139.51056422.31.64-191680190152.51277623.91.64-1916100229190.515710223.91.68-1916125254216.018612523.91.68-2220150279241.521615225.41.68-2220200343298.527020428.61.68-2220250406362.032425430.21.612-2522300483432.038130531.81.612-2522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-dM2510879.563.52547.6258.7316.420.76.44-15124012798.582.63865.0888.8316.423.96.44-151250152120.5101.65182.5508.7316.425.56.44-191665178139.5120.664101.6008.7316.428.76.44-191680190152.5133.176114.3008.7316.430.36.44-1916100229190.5171.1102149.2258.7316.430.36.48-1916125254216.0193.7125171.1508.7316.430.36.48-2220150279241.5219.1152193.6758.7316.431.86.48-2220200343298.5273.0204247.6508.7316.4356.48-2220250406362.0330.2254304.2008.7316.436.66.412-2522300483432.0406.1305381.0008.7316.438.26.412-2522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-dM2011782.563.51942.8628.7316.422.36.44-19162512489.069.82550.8008.7316.423.96.44-191640156114.590.53868.26211.9066.427.16.44-222050165127.0108.05182.55011.9068.028.78.08-191665190149.0127.064101.60011.9068.031.88.08-222080210168.0146.076123.82511.9068.0358.08-2220100254200.0174.6102149.22511.9068.038.28.08-2220125279235.0209.6125180.97511.9068.041.48.08-2220150318270.0241.3152211.13811.9068.0438.012-2220200381330.0301.6204269.87511.9068.047.78.012-2522250444387.0355.6254323.85011.9068.054.18.016-2927300521451.0412.8305381.00011.9068.057.28.016-3230表25 JPI 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-dM2011782.563.51942.8628.7316.422.36.44-19162512489.069.82550.8808.7316.423.96.44-191640156114.590.53868.2628.7316.428.76.44-222050165127.0108.05182.55011.9068.031.88.08-191665190149.0127.064101.60011.9068.035.08.08-222080210168.0146.076123.82511.9068.038.28.08-2220100270216.0174.6102149.22511.9068.044.58.08-2522125330266.5209.6125180.97511.9068.050.98.08-2927150356292241.3152211.13811.9068.054.18.012-2927200419349301.6200269.87511.9068.062.08.012-3230250508432355.6247.5323.85011.9068.069.98.016-3533300559489412.8298.5381.00011.9068.073.18.020-3533五、德国DIN标准法兰尺寸PN16PN40表26 PN16(1.6MPa)                                              mm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DNDD1D2fHn-dM159565452144-14122010575582164-14122511585682164-141232140100782184-181640150110882184-1816501651251023204-1816651851451223204-1816802001601383228-18161002201801583248-18161252502101883268-18161502852402123268-22202003402952683308-22202504053553203328-2624表27 PN40(4.0MPa)                                              mm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DNDD1D2fHn-dM159565452164-14122010575582184-14122511585682184-141232140100782184-181640150110882184-1816501651251023204-1816651851451223228-1816802001601383248-18161002351901623248-22201252702201883268-26241503002502183288-262420037532028533412-302725045038534533812-3330（注：本资料素材和资料部分来自网络，仅供参考。请预览后才下载，期待你的好评与关注！）