各种法兰标准尺寸表

1、法兰标准尺寸表、ANSI15R300、400、600、900、1500、2500RF法兰尺寸表图1法兰图2盲板图3平焊法兰图1长迓焊接法兰图5对焊法兰表1ANSI150RFmm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dn!DD1rD2ABCEF:GJL1L2L3LdnM209870431211282027381353162291.61541225110879.55127351253451491456171.615412321188963.53514332142601591657211.6154124012

2、798.5734150404867651862221.61541250152120.59253625060.583781964251.61941665178139.5P10516375657395912470291.61941680I190152.51277891I8089108I108：2470301.619416100:>29190.51571021161001141401352476333051.619816125:>542161861281441251411651642489371.6238M20150:>79241.5r21611541711501681971928

3、9401.623反M20200:M3298.5r270120322120021924824629102441.6238M20250，26362324255276250273305；305I30102491.625；12M22300，8343238130532730032436536532114561.62512M22表2ANSI300RFmm公称通径外径螺栓孔中心圆直径连接凸出部分内径焊接处颈部直径颈根部直法兰厚度焊接法兰长度连接凸出部分螺栓孔直数量螺栓直径直径径高度径DNDD1D2ABCEFGJL1,2,3LdnM2011782.5432128202748165725229P1.6r194r

4、162512489512735253454541762271.6194163213398.464351433242646419652711.61941640156114.5734150404870702168301.62342050165127925362506084842270331.6198166519114910563756573100:100：2576381.6P23:8:2080210168127789?80891171172979431.6238201002542001571021161001141461463286483051.62382012527923518612814412

5、51411781783598511.623820150318P270216154171150168206：20637985P1.6:2312120200381P3302702032212002192602604111162P1.62512122250445387.5324255276250273321132148117671.6：30国30052145138130532730032437537551130731.6331630表3ANSI400RFmm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里螺栓直径DNDD1D2A

6、BCEFGJL1L2L3LdnM20:11782.543按用户要求2812027:48：2264322356.411941612512418951351253454：54区68336.4194163213398644313214264642773356.4194116401561147350404870702976386.423420501651279262506084r8413279436.419816165:191：1491057516573100I100(3586486.4123820180210168127911801891171173889526.423812010025420015

7、711611001141461464195573116.425822125279235186144,12514117817845108606.4258,221503182702161711501682061206148110646.412512221200381I3302702211200219260I260；54124756.41301227125044538732427625027332132160130796.433163030052145138132730032437537564143866.4351632表4ANSI600RFmm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

8、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里螺栓直径DNDID1ID2A1b1CEF1GJIL1L2L3LdnM2011782.543按用户要282027482264322356.419416251248951求35253454542468336.41941632133986443324264r642773356.41941640156114.573504048170702976386.4234205016511279262506084843279436.419816651911491057565731001003586486.423812080210168127918

9、089；117117：38:89526.423自20100273：216157116100114152国214511081573116.425上221125330266.518614412514119118915112167：6.4308127150356292216171150168222222541247316.4331230200419349270221200219273273162:140836.4361233125050814323242762502733433431701159926.43616331300559489381327300324400400731629816.4362

10、0：33表5ANSI900RFmm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里螺栓直径DNDD1D2ABCEFGJL1L2L3,LdnM20130891431按用户要求28120274413276412356.4123420125149101.551135125345252：3579486.42542232159111644313214263.5643579486.425422401781247350404870703889516.430427502161659262506010510545108646.425822

11、65244190.510517516573124124：48111706.4130827180241190.51279118018912712745108606.4258122100292235157116110011415915951121763116.433830125349279.5136144：125141190.519158133866.4368331503813；17.52161171：150168235235：62146926.413312：302004703；93.5270I221；200219298298701681086.41391236250546470324276250

12、273368368，61911146.4391636300610533.5381327300324419419862061246.4392036表6ANSI1500RFmm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里螺栓直径DNDD1D2ABCEFGJL1L2L3LdnM201308943按用户要求28202744.53276412356.42342025149101.5513525:34：525235:7948r6.4r2542232159111644332“2163.563.535；79486.4I2542240

13、1781247350404870703989516.430427502161659262506010510545108646.42582265244190.5'0575657312412448111706.430827802672031279180:89:13313354:12479P6.4r338P30100311:>41.515711610011416216261130973116.435832125375292186144125141197170801621116.442839150394:，17.5216171150168229229891781256.445124220

14、0483:，93.527022120021929229299:219149P6.4r4512P42250584，182.53242762502733683681152601653115146.4151112483006731)71.53813273003244514511312891876.4551652表7ANSI2500RFmm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里螺栓直径DNDD1D2ABCEFGJL1L2L3LdnM201409843按用户要求282027513886492356.42342025159

15、108513525345757419554:6.4:254P223218413063.54332：42P73734510259311P6.430427402031146735040487979511181676.443050235171.592625060959557133766.4308276526719710575657311411464149866.43383080305228.5127:918089P133133：7317598r6.4:368P331100356273157116100114165165831971146.4：42839125419324186144125141203

16、20398:>3511376.448845150483:168.52161711501682352351142791596.455852200552438270:2212002193053051333241846.4:5512522506735：39.5324127625027337537517214262353115146.4：6712643007626193813273003244414411914702606.4751272、ANSI150、300、400、600、900、1500、2500RJ法兰尺寸表表8ANSI150RJmm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

17、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匕直径螺栓直径DNDDiD2D3tfLEFn-dM2510879.5:63.52520.7r6.4:47.66.418.714-15,12n4012798.582.63823.96.465.16.48.74-151250152120.5101.65125.56.482.66.48.74-191665178139.5120.66428.76.4101.66.48.74-191680190M52.5P133.47630.3r6.41114.36.418.7r4-1911611002291190.5171.410230.36.4149

18、.26.48.78-1916125254216193.712730.36.4171.56.48.78-2320150279241.5219.115231.86.4193.66.48.78-2320200343298.5273203r35P6.4247.76.4:8.78-23120250406362330.225436.66.4304.86.48.712-2522300483432406.430538.26.43816.48.712-2522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匕直径螺栓

19、直径DNDDD2D3tfLEFn-dM2011782.563.51922.36.442.96.48.74-1916251248969.82523.96.450.86.48.74-191640156114.590.53827.16.468.36.48.74-2320501651271085130.3882.6811.98-1916651901491276433.48101.6811.98-23208021016814617636.68123.8；811.98-2320100254200174.610246.18149.2811.98-2320125279235209.6127438181.081

20、1.98-2320150318270241.315244.68211.1811.912-2320200381330301.6；20349.38269.91811.912-2522250444387.5355.625455.78323.9811.916-3027300521451412.530558.88381811.916-3330表10ANSI600RJmm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匕直径螺栓直径DNDDD3tfLEFn-dM2011782.563.51922.36.442.96.48.714-191

21、6251248969.82523.9r6.450.86.48.714-19r16140156114.590.53828.76.468.36.48.74-2220501651271085133.4882.6811.98-1916651901491276436.68101.6811.98-222080210168r1467639.68123.8811.918-22r20j100273216174.610246.18149.2811.98-2222125330266.5209.612752.58181.0811.98-2527150356292241.315255.78211.1811.912-32

22、302004193491301.620063.68269.9811.9112-36r33250508432355.624871.58323.9811.916-3633300559489412.829874.78381.0811.920-3633表11ANSI900RJmm公称外径螺栓孔连接凸内径法兰连接凸出梯形槽梯形槽深度梯形槽螺栓孔数量螺栓通径中心圆直径出部分直径厚度部分高度中心圆直径宽度与直径直径DNDDD2DstfLEFn-dM80241190.5155.67346.18123.8811.98-252011002922351819952.58149.2811.98-33P30125349

23、279.5215.912158.58181.0811.98-35321150381317.5241.314663.68211.1811.912-33130200470393.530819171.58270.0811.912-393625054647036223877.98323.9811.916-3936300610533.5419.128237.48381.0811.920-3936表12ANSI1500RJmm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匕直径螺栓直径DNDDD3tfLEFn-dM25:149101.

24、571.42235:6.4P50.86.4P8.74-25P224017812492.13538.26.468.36.48.74-302750216165：123.84846.1895.3811.98-252265244190.5136.55749.38108811.98-302780:2672031168.57055.78f136.5811.98-33r301100I311241.5193.79262I8162811.98-3633125375292228.611181.18193.7811.98-4239150394317.5247.613692.29.6211.19.613.512-39

25、362001483393.51317.5178103.3111.2:270111.2P16.712-45r42i2501584482.5371.5222119.2111.2323.911.216.712-5148300673571.5438.2264138.2114.338114.323.016-5552表13ANSI2500RJmm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匕直径螺栓直径DNDDi6D3tfLEFn-dM2515910882.61941.46.460.36.48.74-252240203146114.

26、32852.5882.6811.94-333050235171.5133.43858.88101.6811.98-302765267197149.214866.89.6111.19.613.58-333080305228.5168.35776.39.61279.613.58-36国100356273203.27387.411.2157.111.216.78-4239125419324241.392104.812.7190.512.719.88-4845150483368.5:279.41111120.712.7:228.612.719.88-55:52200552438P339.7114614

27、1.714.3P279.414.323.012-5552250673539.5425.5184182.617.5342.617.530.212-67：64300762619495.3219201.717.5406.417.533.412-7472、JIS10K、16K、20K、30K、40K、63KRRFF法兰尺寸表表14JIS10K、RFFFmm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部分凸出高度螺栓孔数量匕直径螺栓直径DNDDD2D3t*fn-dM20100755819141814-151225125907025141814-191640140110518538：162

28、02r4-191615015512010051162024-19166517514012061182224-1916801851501307618221218-19161100210175155102：18242P8-1916125250210185125202428-2320150280240215152222628-232020033012901265204:2226P2P8-23201250400355325254I2430212-25223004154003753052432316-2522表15JIS16K、RFFFmm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部分

29、凸出高度螺栓孔数量匕直径螺栓直径DNDDD2D3t*fn-dM20100755819M41814-151225125607025141814-1916401401058538162024-191650155112010051r1620r2r8-191616517514012064M82228-19168020016013576202428-2320100225185160102222628-23201252702251951252226212-252215030512601230152:2428P2P12-25221200350305275204I26302P12-25222504303803

30、452542834212-27243004804303953053036316-2724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部分凸出高度螺栓孔数量匕直径螺栓直径DNDDD2D3*tfn-dM20100755819161814-151225125907025162014-191640140105853818222P4-19165015512010051182228-19166517514012064202428-191680200116013576222612P8-2320110022518516010224282P8-23201252702251951252630212-25221503052602301522832212-25222003501305127520430341212-252212504303803452543438212-27243004804303953053640316-2724表16JIS20K、RF、FFmm*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、RRFFmm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部分凸出高度螺栓孔数量匕直径螺栓直径DNDDD2D3*tfn-dM201208560