美标与国标压力、管径、法兰关系对照表.doc

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序号ANSI标准压力级Class公称压力PNMPaBarKgf/cm21 150 2.0 20 20.4 2 300 5.0 50 51.0 3 400 6.8 68 69.4 4 600 10.0 100 102.0 5 800 13.5 1358 137.7 6 900 15.0 150 153.0 7 1500 25.0 250 255.0 8 2500 42.0 420 428.0 9 3000 50.5 505 515.0 10 3500 59.0 590 601.0 1bf/in2=6894.757Pa=0.00689Mpa=0.0689bar 1kgf/cm2=14.22bf/in2=0.9807bar 1bar=14.5bf/in2=1.02kgf/cm2 ASME标准压力磅级与公称压力的关系表ASME磅级ASME Class 150 300 400 600 800 900 1500 2500 公称压力MPa 0.6 MPa1.0 MPa1.6 MPa2.0 MPa 2.5 MPa4.0 MPa5.0 MPa 6.4 MPa 10.0 MPa - 15.0 MPa 25.0 MPa 42.0 MPa 公称压力PN PN6PN10PN16PN20 PN25PN40PN50 PN6.4 PN100 - PN150 PN250 PN420二、美标压力与公称压力关系ANSI标准管径与国标管径比较ANSIGBANSIGBANSIGB1/2in12.7mm4in100mm12in300mm1in25.4mm6in150mm14in350mm2in50mm8in200mm16in400mm3in80mm10in250mm18in450mm20in500 mm24in600 mm30in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1 ANSI 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DNDD1D2ABCEFGJL1L2L3LdnM2011782.54321282027 481657252291.6194162512489512735253454541762271.6194163213398.4643543324264641965271.61941640156114.5734150404870702168301.62342050165127925362506084842270331.61981665191149105637565731001002576381.62382080210168127789180891171172979431.6238201002542001571021161001141461463286483051.6238201252792351861281441251411781783598511.6238201503182702161541711501682062063798521.623122020038133027020322120021926026041111621.6251222250445387.532425527625027332132148117671.630162730052145138130532730032437537551130731.6331630表3 ANSI 400RF 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5 ANSI 900RF 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 443276412356.42342025149101.55135253452523579486.425422321591116443324263.5643579486.425422401781247350404870703889516.430427502161659262506010510545108646.42582265244190.510575657312412448111706.43082780241190.512791808912712745108606.425822100292235 15711610011415915951121763116.433830125349279.5186144125141190.519158133866.436833150381317.521617115016823523562146926.4331230200470393.5270221200219298298701681086.4391236250546470324276250273368368761911146.4391636300610533.5381327300324419419862061246.4392036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 44.53276412356.42342025149101.55135253452523579486.425422321591116443324263.563.53579486.425422401781247350404870703989516.430427502161659262506010510545108646.42582265244190.510575657312412448111706.4308278026720312791808913313354124796.433830100311241.515711610011416216261130973116.435832125375292186144125141197170801621116.442839150394317.5216171150168229229891781256.4451242200483393.5270221200219292292992191496.4451242250584482.53242762502733683681152601653115146.4511248300673571.53813273003244514511312891876.4551652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DNDD1D2ABCEFGJL1L2L3LdnM201409843按用户要求282027 513886492356.423420251591085135253457574195546.4254223218413063.5433242737345102593116.4304274020314673504048797951118676.43343050235171.592625060959557133766.4308276526719710575657311411464149866.43383080305228.512791808913313373175986.436833100356273157116100114165165831971146.442839125419324186144125141203203982351376.448845150483368.52161711501682352351142791596.4558522005524382702212002193053051333241846.4551252250673539.53242762502733753751724262353115146.46712643007626193813273003244414411914702606.4751272二、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10 ANSI 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12 ANSI 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DNDD1D2D3tfn-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DNDD1D2D3tfn-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 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DNDD1D2D3tfn-dM2010075581916/ 1814-15122512590702516/ 2014-191640140105853818/ 2224-1916501551201005118 /2228-1916651751401206420/ 2428-1916802001601357622/ 2628-232010022518516010224/ 2828-232012527022519512526/ 3028-252215030526023015228/ 32212-252220035030527520430/ 34212-252225043038034525434/ 38212-272430048043039530536/ 40316-2724t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