美标与国标压力、管径、法兰关系对照表

1、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: ANS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/cm211502.02020.423005.05051.034006.86869.4460010.0100102.0580013.51358137.7690015.0150153.07150025.0250255.08250042.0420428.09300050.5505515.010350059.059060

2、1.01bf/in2=6894.757Pa=0.00689Mpa=0.0689bar1kgf/cm2=14.22bf/i n2=0.9807bar1bar=14.5bf/i n2=1.02kgf/cm2ASME准压力磅级与公称压力的关系表ASME磅级 ASME Class15030040060080090015002500公称压力MPa0.6 MPa1.0 MPa1.6 MPa2.0 MPa2.5 MPa4.0 MPa5.0 MPa6.4 MPa10.0 MPa-15.0 MPa25.0 MPa42.0 MPa公称压力PNPN6PN10PN16PN20PN25PN40PN50PN6.4PN10

3、0-PN150PN250PN420、美标压力与公称压力关系ANSI标准管径与国标管径比较ANSIGBANSIGBANSIGB1/2in12.7mm4in100mm12i n300mm1in25.4mm6in150mm14i n350mm2in50mm8in200mm16i n400mm3in80mm10i n250mm18in450mm20i n500 mm24i n600 mm30i n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mm表 1 ANSI 150RFUP1A0巧DsDrB公称通径外径螺栓孔 中心圆

4、 直径连接凸岀局部直径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 Jj Jj44DNDDiDABCEFGJL1L2L3LdnM2098704321282027381353161.6154122510879.5512735253451491456171.615412321188963.53543324260591657211.6154124012798.5734150404867651862222291.61541250152120.59253625060.583781964251.61941665178139.5105637565739591247

5、0291.61941680190152.5127789180891081082470301.619416100229190.51571021161001141401352476331.6198161252542161861281441251411651642489371.6238M20150279241.52161541711501681971922589403051.6238M20200343298.527020322120021924824629102441.6238M2025040636232425527625027330530530102491.62512M22300483432381

6、30532730032436536532114561.62512M22表2ANSI公称外径螺栓孔连接凸表 3 ANSI 400RF300RFmm公称通径外径螺栓孔 中心圆 直径连接凸岀局部直径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DNDDiDABCEFGJL1匕L3LdnM2011782.54321282027481657251.6194162512489512735253454541762271.6194163213398.4643543324264641965271.61941640156114.5734150404870702168302

7、291.62342050165127925362506084842270331.61981665191149105637565731001002576381.62382080210168127789180891171172979431.6238201002542001571021161001141461463286481.6238201252792351861281441251411781783598511.6238201503182702161541711501682062063798523051.623122020038133027020322120021926026041111621.6

8、251222250445387.532425527625027332132148117671.630162730052145138130532730032437537551130731.6331630mm径焊接处颈颈根法兰焊接法兰长度连接凸螺栓数螺栓通径中心圆直径岀局部直径部直径部直径厚度岀局部高度孔直径旦 里直径DNDDiABCEFGJL1L3LdnM2011782.543282027482264326.41941625124895135253454542468336.41941632133986443324264642773356.41941640156114735040487070297

9、6382356.4234205016512792按62506084843279436.41981665191149105用7565731001003586486.42382080210168127户9180891171173889526.423820100254200157要1161001141461464195576.425822125279235186求14412514117817845108606.42582215031827021617115016820620648110646.425122220038133027022120021926026054124753 116.4301227

10、25044538732427625027332132160130796.433163030052145138132730032437537564143866.4351632ANSI600RFmm公称通径外径螺栓孔 中心圆 直径连接凸岀局部直径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DNDDiABCEFGJL1L2L3LdnM2011782.543282027482264326.41941625124895135253454542468336.41941632133986443324264642773356.41941640156114.57350

11、404870702976382356.4234205016512792按62506084843279436.41981665191149105用7565731001003586486.42382080210168127户9180891171173889526.423820100273216157要11610011415215245108576.425822125330266.5186求14412514119118951121676.43082715035629221617115016822222254124733116.4331230200419349270221200219273273621

12、40836.436123325050843232427625027334334370159926.436163330055948938132730032440040073162986.4362033表 5 ANSI 900RFmm公称外径螺栓孔连接凸径焊接处颈部颈根法兰焊接法兰长度连接凸螺栓数螺栓通径中心圆直径岀局部直径直径部直径厚度岀局部高度孔直径旦 里直径DNDIJABCEFGJL1L2L3LdnM201308943282027443276416.42342025149101.55135253452523579486.425422321591116443324263.5643579486.

13、425422401781247350404870703889512356.4304275021616592按62506010510545108646.42582265244190.5105用75657312412448111706.43082780241190.5127户91808912712745108606.425822100292235157要11610011415915951121766.433830125349279.5186求144125141190.519158133866.436833150381317.521617115016823523562146926.433123020

14、0470393.5270221200219298298701681083 116.4391236250546470324276250273368368761911146.4391636300610533.5381327300324419419862061246.4392036表 6 ANSI 1500RFmm公称通径外径螺栓孔 中心圆 直径连接凸岀局部直径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DNDDDABCEFGJL1L2L3LdnM20130894328202744.53276416.42342025149101.5513525345252

15、3579486.425422321591116443324263.563.53579486.425422401781247350404870703989512356.430427502161659262506010510545108646.42582265244190.5105按用户要求75657312412448111706.4308278026720312791808913313354124796.433830100311241.515711610011416216261130976.435832125375292186144125141197170801621116.4428391503

16、94317.5216171150168229229891781253 116.4451242200483393.5270221200219292292992191496.4451242250 J584482.53242762502733683681152601653116.4511248300673571.5381327300324451451131289187/5146.4551652ANSI表2500RFmm公称通径外径螺栓 孔中 心圆 直径连接凸岀局部直径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DNDDABCEFGJL1L2L3LdnM20

17、1409843282027513886492356.423420251591085135253457574195546.4254223218413063.5433242737345102596.4304274020314673504048797951118676.43343050235171.592625060959557133766.43082765267197105按用户要求75657311411464149866.43383080305228.512791808913313373175983116.436833100356273157116100114165165831971146.44

18、2839125419324186144125141203203982351376.448845150483368.52161711501682352351142791596.4558522005524382702212002193053051333241846.4551252250673539.53242762502733753751724262353116.4671264300762619381327300324441441191470260/5146.4751272ANSI 150、300、600、900、1500、2500RJ 法兰尺寸表表8ANSI 150RJmm公称通径外径螺栓孔中心

19、圆直径连接凸岀 局部直径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DNDDiDD3tfLEFn-dM2510879.563.52520.76.447.66.48582.63823.96.465.16.48.74-151250152120.5101.65125.56.482.66.48.74-191665178139.5120.66428.76.4101.66.48.74-191680190152.5133.47630.36.4114.36.48.74-1916100229190.5171.410230.36.414

20、9.26.48.78-1916125254216193.712730.36.4171.56.48.78-2320150279241.5219.115231.86.4193.66.48.78-2320200343298.5273203356.4247.76.48.78-2320250406362330.225436.66.4304.86.48.712-2522300483432406.430538.26.43816.48.712-2522表9ANSI 300RJmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径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D

21、NDDiDD3tfLEFn-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-

22、2320150318270241.315244.68211.1811.912-2320200381330301.620349.38269.9811.912-2522250444387.5355.625455.78323.9811.916-3027300521451412.530558.88381811.916-3330表10ANSI 600RJmm公称外径螺栓孔中连接凸岀径法兰厚连接凸岀梯形槽中梯形槽深梯形槽宽螺栓孔数螺栓直径通径心圆直径局部直径度局部高度心圆直径度度量与直径DNDDD3tfLEFn-dM2011782.563.51922.36.442.96.48.74-19162512489

23、69.82523.96.450.86.48.74-191640156114.590.53828.76.468.36.48.74-2220501651271085133.4882.68 二11.98-1916651901491276436.68101.68 二11.98-2220802101681467639.68123.8811.98-2220100273216174.610246.18149.2811.98-2222125330266.5209.612752.58181.0811.98-2527150356292241.315255.78211.1811.912-32302004193493

24、01.620063.68269.9811.912-3633250508432355.624871.58323.9811.916-3633300559489412.829874.78381.0811.920-3633表11ANSI 900RJmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径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DNDDiDD3tfLEFn-dM80241190.5155.67346.18123.8811.98-25221002922351819952.58149.2811.98-3330125349279.5215.912158.8

25、8181.0811.98-3532150381317.5241.314663.68211.1811.912-3330200470393.530819171.58270.0811.912-393625054647036223877.98323.9811.916-3936300610533.5419.128287.48381.0811.920-3936表12ANSI 1500RJmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径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DNDDiDD3tfLEFn-dM25149101.571.422356.450.86.

26、48.74-25224017812492.13538.26.468.36.48.74-302750216165123.84846.1895.3811.98-252265244190.5136.55749.38108811.98-302780267203168.37055.78136.5811.98-3330100311241.5193.792628162811.98-3633125375292228.611181.18193.7811.98-4239150394317.5247.613692.29.6211.19.613.512-3936200483393.5317.5178103.311.2

27、27011.216.712-4542250584482.5371.5222119.211.2323.911.26.7；12-5148300673571.5438.2264138.214.338114323.016-5552表13ANSI 2500RJmm公称通径外径螺栓孔中心圆直径连接凸岀 局部直径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DNDDiDD3tfLEFn-dM2515910882.61941.46.460.36.48.74-252240203146114.32852.5882.6811.94-333050235171.5133.43

28、858.88101.6811.98-302765267197149.24866.89.6111.19.613.58-333080305228.5168.35776.39.61279.613.58-3633100356273203.27387.411.2157.111.216.78-4239125419324241.392104.812.7190.512.719.88-4845150483368.5279.4111120.712.7228.612.719.88-5552200552438339.7146141.314.3279.414.323.012-5552250673539.5425.518

29、4182.617.5342.617.530.212-6764300762619495.3219201.717.5406.417.533.412-7472、JIS 10K、16K、20K、30K、40K 63K、RF FF 法兰尺寸表日標DiiJ4IDFF淞兰表14JIS10KRFFFmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径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DNCDDD2D3t *fn-dM2010075581914/1814-15122512590702514/1814-191640140105853816/2024-1916501551201005116/2024-1

30、916651751401206118/2224-1916801851501307618/2228-191610021017515510218/2428-191612525021018512520/2428-232015028024021515222 / 2628-232020033029026520422/2628-232025040035532525424/30212-252230041540037030524/32316-2522表 15 JIS 16K、RF、FFmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径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DNDDDD3t *fn-d

31、M2010075581914/1814-15122512560702514/1814-191640140105853816 /2024-1916501551201005116/2028-1916651751401206418/2228-1916802001601357620/2428-232010022518516010222/2628-232012527022519512522/262 二12-252215030526023015224/28212-252220035030527520426/30212-252225043038034525428/34212-2724300480430395

32、30530/363 二16-2724表 16 JIS 20K、RF FFmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径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DNDDD2D3t *fn-dM2010075581916/1814-15122512590702516/ 2014-191640140105853818/2224-1916501551201005118/2228-1916651751401206420/2428-1916802001601357622/2628-232010022518516010224/2828-232012527022519512526/3028-252

33、215030526023015228/32212-252220035030527520430/34212-252225043038034525434/38212-272430048043039530536/40316-2724*t值中较小值为钢与可锻铸铁法兰；较大值为铸铁法兰。表 17 JIS 30K、RF、FFmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径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DNDDD2匕tfn-dM201208560191814-1916251309570252014-19164016012090382224-232050165130105512228-19

34、1665200160130642628-232080210170140762828-23201002401951601023228-25221252752301951253628-252215032527523515238212-2724200二 37032028020442212-272425045039034525448212-333030051545040530552316-3330表 18 JIS 40K、RF、FFmm公称通径外径螺栓孔中心圆直径连接凸岀局部直径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DNDDD2D3tfn-dM201208560192014-1916251309570252214-19164016012090382424-232050165130105512628-191665200160130643028-232080210170140763228-23201002502051651023628-25221253002502001254028-272415035529524015244212-333020040534529020050212-3330250475440355247.556212-33