DN法蘭標(biāo)準(zhǔn)大全(尺寸對照表)

1、法法蘭蘭標(biāo)標(biāo)準(zhǔn)準(zhǔn)體體系系管道法蘭按與管子的連接方式可分為五種基本類型：平焊法蘭、對焊法蘭、螺紋法蘭、承插焊法蘭、松套法蘭。法蘭的密封面型式有有多種，一般常用有凸面（RF）、凹面（FM）、凹凸面（MFM）、榫槽面（TG）、全平面（FF）、環(huán)連接面（RJ）。相應(yīng)材質(zhì)：20#、A105、Q235A、12Cr1MoV、16MnR、15CrMo、18-8、321、304、304L、316、316L等。一、美標(biāo)ANSIBI605、WN、SO、SW、PL、BL、TH、LJ。二、日標(biāo)JIS、B2220。三、德標(biāo)DIN、2527-2635四、歐洲系列、國行標(biāo)準(zhǔn)。HG20615-97HG20614-97五、美洲系

2、列、國行標(biāo)準(zhǔn)。HG20615-97HG20635-97六、國家標(biāo)準(zhǔn)。GB9122-GB9123-88七、石化、機(jī)械部標(biāo)準(zhǔn)。JI81-86-59-94、JB2555-79八、電力部標(biāo)準(zhǔn)。GD-87DG-78九、化工部標(biāo)準(zhǔn)。HGJ44-76-91HG5010-5028-58十、壓力容器法蘭。JB/T4700-4707-2000常常用用法法蘭蘭制制造造標(biāo)標(biāo)準(zhǔn)準(zhǔn)美美標(biāo)標(biāo)系系列列 American Standard Series標(biāo)準(zhǔn)號通徑范圍ANSIB16.5(88)1/2-24ANSIB16.47(9026-60ASMEB16.5(96)1/2-24ISO7005-1(92)1/2-24BS4504-

3、3.1(89)1/2-24JPI7S-15-931/2-24NFE29-2031/2-24API605-8126-60ASMEB16.36(96)1-24德德標(biāo)標(biāo)系系列列 German Standard Series標(biāo)準(zhǔn)號通徑范圍DIN2630WNDN1200-DN2400DIN2631WNDN10-DN3600DIN2632WNDN200-DN3000DIN2633WNDN10-DN2000DIN2634WNDN200-DN1000DIN2635WNDN10-DN500DIN2636WNDN10-DN400DIN2637WNDN10-DN350DIN2638WNDN10-DN300DIN25

4、73PLDN10-DN500DIN2576PLDN10-DN500DIN2527PLDN10-DN500DIN2501WNDN15-DN500DIN2566THDN15-DN500DIN2655PLDN15-DN500DIN2656PLDN15-DN500日日標(biāo)標(biāo)系系列列 Japanese Standard Series標(biāo)準(zhǔn)號通徑范圍JISB2220PLDN10-DN400JISB2220SODN450-DN1000JISB2220PLDN10-DN225JIS2220SODN250-DN1000JIS2220SODN10-DN1200JIS2220WNDN15-DN400國國標(biāo)標(biāo)系系列列 N

5、ational Standard Series標(biāo)準(zhǔn)號通徑范圍GB/T9112-9113.4-2000DN10-DN2000JB/T74-86.2-94DN10-DN1600HG20592-20626-97DN10-DN2000SH3406-96DN10-DN1500GB/T17241.1-17241.7DN10-DN4000GB/T15530.1-15530.8DN10-DN1800電電力力部部系系列列 Power Ministry Series標(biāo)準(zhǔn)號通徑范圍D-GD86-0510-0537DN15-DN2000DG0511-0541DN15-DN1000壓壓力力容容器器系系列列 Pressu

6、re Vessel Series標(biāo)準(zhǔn)號通徑范圍JB/T4701-2000(甲型)DN300-DN2000JB/T4702-2000(乙型)DN300-DN3000JB/T4703-2000(長頸)DN300-DN2000船船用用系系列列 Shipping Series標(biāo)準(zhǔn)號通徑范圍GB573-581-76DN20-DN500GB2506-2507-89DN10-DN2000GB4450-84DN20-DN500GB10746-10749-89DN10-DN600壓力等級Class150、300、600、900、1500、2500Class150、300、600、900Class150、300、

7、600、900、1500、2500PN2.05.011.015.026.042.0Class150、300、600、900、1500、2500Class150、300、600、900、1500、2500PN2.05.011.015.026.042.0Class150、300、600Class300、400、600、900、1500、2500壓力等級1Bar6Bar10Bar16Bar25Bar40Bar64Bar100Bar160Bar6Bar10Bar610162540Bar1016254063100160250320400Bar1016Bar0.250.61.01.62.54.0Bar0.

8、250.61.01.62.54.0Bar壓力等級管道法蘭按與管子的連接方式可分為五種基本類型：平焊法蘭、對焊法蘭、螺紋法蘭、承插焊法蘭、松套法蘭。法蘭的密封面型式有有多種，一般常用有凸面（RF）、凹面（FM）、凹凸面（MFM）、榫槽面（TG）、全平面（FF）、環(huán)連接面（RJ）。相應(yīng)材質(zhì)：20#、A105、Q235A、12Cr1MoV、16MnR、15CrMo、18-8、321、304、304L、316、316L等。美美標(biāo)標(biāo)系系列列 American Standard Series德德標(biāo)標(biāo)系系列列 German Standard Series日日標(biāo)標(biāo)系系列列 Japanese Standard

9、Series5K5K10K10K16K20K30K30K壓力等級PN0.250.61.02.54.06.310.016.0MpaPN0.250.61.02.54.06.310.016.020.0MpaPN0.250.61.02.02.54.05.06.310.011.015.016.025.026.042.0MpaPN1.02.05.06.810.015.025.042.0MpaPN0.250.61.01.62.02.54.05.0MpaPN0.61.01.62.02.54.05.0Mpa壓力等級PN0.250.61.01.62.54.06.410.0MpaPN0.250.61.01.62.5

10、4.06.410.020.032.0Mpa壓力等級PN0.250.61.01.610.0MpaPN0.250.61.01.62.54.0MpaPN0.61.01.62.54.06.4Mpa壓力等級PN0.61.01.62.54.06.4MpaPN0.250.61.01.62.5MpaPN0.61.01.6MpaPN0.61.01.62.54.06.4Mpa國國標(biāo)標(biāo)系系列列 National Standard Series電電力力部部系系列列 Power Ministry Series壓壓力力容容器器系系列列 Pressure Vessel Series船船用用系系列列 Shipping Ser

11、ies管道法蘭按與管子的連接方式可分為五種基本類型：平焊法蘭、對焊法蘭、螺紋法蘭、承插焊法蘭、松套法蘭。法蘭的密封面型式有有多種，一般常用有凸面（RF）、凹面（FM）、凹凸面（MFM）、榫槽面（TG）、全平面（FF）、環(huán)連接面（RJ）。相應(yīng)材質(zhì)：20#、A105、Q235A、12Cr1MoV、16MnR、15CrMo、18-8、321、304、304L、316、316L等。管道法蘭按與管子的連接方式可分為五種基本類型：平焊法蘭、對焊法蘭、螺紋法蘭、承插焊法蘭、松套法蘭。法蘭的密封面型式有有多種，一般常用有凸面（RF）、凹面（FM）、凹凸面（MFM）、榫槽面（TG）、全平面（FF）、環(huán)連接面（R

12、J）。相應(yīng)材質(zhì)：20#、A105、Q235A、12Cr1MoV、16MnR、15CrMo、18-8、321、304、304L、316、316L等。ANSI150、300、400、600、900、1500、2500RF法蘭尺寸表ANSI150RF公稱外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑焊接處頸部直徑通徑DNDD1D2ABCE20987043212820272510879.55127352534321188963.5354332424012798.5734150404850152120.59253625060.565178139.51056375657380190152.51277891808

13、9100229190.5157102116100114125254216186128144125141150279241.5216154171150168200343298.5270203221200219250406362324255276250273300483432381305327300324ANSI300RF公稱外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑焊接處頸部直徑通徑DNDD1D2ABCE2011782.54321282027251248951273525343213398.4643543324240156114.5734150404850165127925362506065191

14、149105637565738021016812778918089100254200157102116100114125279235186128144125141150318270216154171150168200381330270203221200219250445387.5324255276250273300521451381305327300324ANSI400RF公稱外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑焊接處頸部通徑直徑DNDD1D2ABCE2011782.543按282027251248951用352534321339864戶4332424015611473要504048501

15、6512792求6250606519114910575657380210168127918089100254200157116100114125279235186144125141150318270216171150168200381330270221200219250445387324276250273300521451381327300324ANSI600RF公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑焊接處頸部直徑DNDD1D2ABCE2011782.543按282027251248951用352534321339864戶43324240156114.573要504048501651

16、2792求6250606519114910575657380210168127918089100273216157116100114125330266.5186144125141150356292216171150168200419349270221200219250508432324276250273300559489381327300324ANSI900RF公稱外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑焊接處頸部直徑通徑DNDD1D2ABCE201308943按28202725149101.551用3525343215911164戶4332424017812473要5040485021616

17、592求62506065244190.510575657380241190.5127918089100292235157116100114125349279.5186144125141150381317.5216171150168200470393.5270221200219250546470324276250273300610533.5381327300324ANSI1500RF公稱通徑外螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑焊接處頸部直徑徑DNDD1D2ABCE201308943按用戶要求28202725149101.5513525343215911164433242401781247350

18、4048502161659262506065244190.510575657380267203127918089100311241.5157116100114125375292186144125141150394317.5216171150168200483393.5270221200219250584482.5324276250273300673571.5381327300324ANSI2500RF公稱通徑外螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑焊接處頸部直徑徑DNDD1D2ABCE201409843按用戶要求28202725159108513525343218413063.543324240

19、2031467350404850235171.5926250606526719710575657380305228.5127918089100356273157116100114125419324186144125141150483368.5216171150168200552438270221200219250673539.5324276250273300762619381327300324按用戶要求頸根部直徑法蘭焊接法蘭長度連接凸出部分高度螺栓孔直徑數(shù)量厚度FGJL1L2L3Ldn381353162291.615451491456171.615460591657211.6154676518

20、62221.615483781964251.619495912470291.61941081082470301.61941401352476333051.61981651642489371.62381971922589401.623824824629102441.623830530530102491.6251236536532114561.62512頸根部直徑法蘭焊接法蘭長度連接凸出部分高度螺栓孔直徑數(shù)量厚度FGJL1L2L3Ldn481657252291.619454541762271.619464641965271.619470702168301.623484842270331.61981

21、001002576381.62381171172979431.62381461463286483051.62381781783598511.62382062063798521.6231226026041111621.6251232132148117671.6301637537551130731.63316頸根部直徑法蘭焊接法蘭長度連接凸出部分高度螺栓孔直徑數(shù)量厚度FGJL1L2L3Ldn482264322356.419454542468336.419464642773356.419470702976386.423484843279436.41981001003586486.4238117117

22、3889526.42381461464195573116.4258焊接處頸部直徑焊接處頸部直徑焊接處頸部直徑17817845108606.425820620648110646.4251226026054124756.4301232132160130796.4331637537564143866.43516頸根部直徑法蘭焊接法蘭長度連接凸出部分高度螺栓孔直徑數(shù)量厚度FGJL1L2L3Ldn482264322356.419454542468336.419464642773356.419470702976386.423484843279436.41981001003586486.4238117117

23、3889526.423815215245108573116.425819118951121676.430822222254124736.4331227327362140836.4361234334370159926.4361640040073162986.43620頸根部直徑法蘭焊接法蘭長度連接凸出部分高度螺栓孔直徑數(shù)量厚度FGJL1L2L3Ldn443276412356.423452523579486.425463.5643579486.425470703889516.430410510545108646.425812412448111706.430812712745108606.42581

24、5915951121763116.4338190.519158133866.436823523562146926.43312298298701681086.43912368368761911146.43916419419862061246.43920頸根部直徑法蘭焊接法蘭長度連接凸出部分高度螺栓孔直徑數(shù)量厚度FGJL1L2L3Ldn44.53276412356.423452523579486.425463.563.53579486.4254焊接處頸部直徑焊接處頸部直徑焊接處頸部直徑31170703989516.430410510545108646.425812412448111706.4308

25、13313354124796.433816216261130973116.4358197170801621116.4428229229891781256.44512292292992191496.445123683681152601653116.451124514511312891875146.45516頸根部直徑法蘭焊接法蘭長度連接凸出部分高度螺栓孔直徑數(shù)量厚度FGJL1L2L3Ldn513886492356.423457574195546.4254737345102593116.4304797951118676.4334959557133766.430811411464149866.433

26、813313373175986.4368165165831971146.4428203203982351376.44882352351142791596.45583053051333241846.455123753751724262353116.467124414411914702605146.47512焊接處頸部直徑235螺栓直徑M1212121216161616M20M20M20M22M22螺栓直徑M16161620162020202020222730螺栓直徑M16161620162020222222273032螺栓直徑M16161620162020222730333333螺栓直徑M202

27、22227222722303330363636螺栓直徑M20222227222730323942424852螺栓直徑M20222730273033394552526472ANSI150、300、600、900、1500、2500RJ法法蘭蘭尺尺寸寸表表ANSI150RJ公稱外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度梯形槽中心圓直徑梯形槽深度通徑DNDD1D2D3tfLE2510879.563.52520.76.447.66.44012798.582.63823.96.465.16.450152120.5101.65125.56.482.66.465178139.5120.

28、66428.76.4101.66.480190152.5133.47630.36.4114.36.4100229190.5171.410230.36.4149.26.4125254216193.712730.36.4171.56.4150279241.5219.115231.86.4193.66.4200343298.5273203356.4247.76.4250406362330.225436.66.4304.86.4300483432406.430538.26.43816.4ANSI150RJ公稱外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度梯形槽中心圓直徑梯形槽深度通徑

29、DNDD1D2D3tfLE2011782.563.51922.36.442.96.4251248969.82523.96.450.86.440156114.590.53827.16.468.36.4501651271085130.3882.68651901491276433.48101.68802101681467636.68123.88100254200174.610246.18149.28125279235209.61274381818150318270241.315244.68211.18200381330301.620349.38269.98250444387.5355.625455.

30、78323.98300521451412.530558.883818ANSI300RJ公稱外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度梯形槽中心圓直徑梯形槽深度通徑DNDD1D2D3tfLE2011782.563.51922.36.442.96.4251248969.82523.96.450.86.440156114.590.53827.16.468.36.4501651271085130.3882.68651901491276433.48101.68802101681467636.68123.88100254200174.610246.18149.281252792352

31、09.61274381818150318270241.315244.68211.18200381330301.620349.38269.98250444387.5355.625455.78323.98300521451412.530558.883818ANSI600RJ公稱外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度梯形槽中心圓直徑梯形槽深度通徑DNDD1D2D3tfLE2011782.563.51922.36.442.96.4251248969.82523.96.450.86.440156114.590.53828.76.468.36.4501651271085133.4

32、882.68651901491276436.68101.68802101681467639.68123.88100273216174.610246.18149.28125330266.5209.612752.581818150356292241.315255.78211.18200419349301.620063.68269.98250508432355.624871.58323.98300559489412.829874.783818ANSI900RJ公稱外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度梯形槽中心圓直徑梯形槽深度通徑DNDD1D2D3tfLE80241190.

33、5155.67346.18123.881002922351819952.58149.28125349279.5215.912158.881818150381317.5241.314663.68211530819171.58270825054647036223877.98323.98300610533.5419.128287.483818ANSI1500RJ公稱外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度梯形槽中心圓直徑梯形槽深度通徑DNDD1D2D3tfLE25149101.571.422356.450.86.44017812492.13538.2

34、6.468.36.450216165123.84846.1895.3865244190.5136.55749.38108880267203168.37055.78136.58100311241.5193.7926281628125375292228.611181.18193.78150394317.5247.613692.29.6211.19.6200483393.5317.5178103.311.227011.2250584482.5371.5222119.211.2323.911.2300673571.5438.2264138.214.338114.3ANSI2500RJ公稱外徑螺栓孔中心

35、圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度梯形槽中心圓直徑梯形槽深度通徑DNDD1D2D3tfLE2515910882.61941.46.460.36.440203146114.32852.5882.6850235171.5133.43858.88101.6865267197149.24866.89.6111.19.680305228.5168.35776.39.61279.6100356273203.27387.411.2157.111.2125419324241.392104.812.7190.512.7150483368.5279.4111120.712.7228.612.720

36、0552438339.7146141.314.3279.414.3250673539.5425.5184182.617.5342.617.5300762619495.3219201.717.5406.417.5梯形槽寬度螺栓孔數(shù)量與直徑螺栓直徑Fn-dM8.74/15128.74/15128.74/19168.74/19168.74/19168.78/19168.78/23208.78/23208.78/23208.712/25228.712/2522梯形槽寬度螺栓孔數(shù)量與直徑螺栓直徑Fn-dM8.74/19168.74/19168.74/232011.98/191611.98/232011.

37、98/232011.98/232011.98/232011.912/232011.912/252211.916-302711.916-3330梯形槽寬度螺栓孔數(shù)量與直徑螺栓直徑Fn-dM8.74/19168.74/19168.74/232011.98/191611.98/232011.98/232011.98/232011.98/232011.912/232011.912/252211.916-302711.916-3330梯形槽寬度螺栓孔數(shù)量與直徑螺栓直徑Fn-dM8.74/19168.74/19168.74/222011.98/191611.98/222011.98/222011.98/2

38、22211.98/252711.912-323011.912-363311.916-363311.920-3633梯形槽寬度螺栓孔數(shù)量與直徑螺栓直徑Fn-dM11.98/252211.98-333011.98-353211.912-333011.912-393611.916-393611.920-3936梯形槽寬度螺栓孔數(shù)量與直徑螺栓直徑Fn-dM8.74/25228.74/302711.98/252211.98/302711.98-333011.98-363311.98-423913.512-393616.712-454216.712-51482316-5552梯形槽寬度螺栓孔數(shù)量與直徑螺栓

39、直徑Fn-dM8.74/252211.94-333011.98/302713.58-333013.58-363316.78-423919.88-484519.88-55522312-555230.212-676433.412-7472JIS10K、16K、20K、30K、40K、63K、RF、FF法法蘭蘭尺尺寸寸表表JIS10K、RF、FF公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3tfn-dM2010075581914/1814/15122512590702514/1814/191640140105853816/2024/

40、1916501551201005116/2024/1916651751401206118/2224/1916801851501307618/2228/191610021017515510218/2428/191612525021018512520/2428/232015028024021515222/2628/232020033029026520422/2628/232025040035532525424/30212/252230041540037030524/32316-2522JIS16K、RF、FF公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度螺栓孔數(shù)量與直徑螺

41、栓直徑DNDD1D2D3tfn-dM2010075581914/1814/15122512560702514/1814/191640140105853816/2024/1916501551201005116/2028/1916651751401206418/2228/1916802001601357620/2428/232010022518516010222/2628/232012527022519512522/26212/252215030526023015224/28212/252220035030527520426/30212/252225043038034525428/34212/27

42、2430048043039530530/36316-2724JIS20K、RF、FF公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3tfn-dM2010075581916/1814/15122512590702516/2014/191640140105853818/2224/1916501551201005118/2228/1916651751401206420/2428/1916802001601357622/2628/232010022518516010224/2828/232012527022519512526/3028/

43、252215030526023015228/32212/252220035030527520430/34212/252225043038034525434/38212/272430048043039530536/40316-2724t值中較小值為鋼及可鍛鑄鐵法蘭；較大值為鑄鐵法蘭。JIS30K、RF、FF公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3tfn-dM201208560191814/1916251309570252014/19164016012090382224/232050165130105512228/19166

44、5200160130642628/232080210170140762828/23201002401951601023228/25221252752301951253628/252215032527523515238212/272420037032028020442212/272425045039034525448212-333030051545040530552316-3330JIS40K、RF、FF公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3tfn-dM201208560192014/191625130957025221

45、4/19164016012090382424/232050165130105512628/191665200160130643028/232080210170140763228/23201002502051651023628/25221253002502001254028/272415035529524015244212-333020040534529020050212-3330250475440355247.556212-3330300540470440298.560316-3936JIS63K、RF、FF公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度螺栓孔數(shù)量與直

46、徑螺栓直徑DNDD1D2D3tfn-dM25140100702227140-23204017513090353224/252250185145105483428/232065220175130573828/252280230185140734028/2522100270220165994428/27241253252652001215028-333015036530524014652212-333020042536029019058212-333025050043035523868212-393630056048541028377316-3936JPI150、300、600RF、RJ法法蘭蘭尺

47、尺寸寸表表JPI150RF公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3tfn-dM209870431912.71.645512514.31.645733817.51.64/151250152120.5925119.11.64/191665178139.51056422.31.64/191680190152.51277623.91.64/1916100229190.515710223.91.68/191612525421618612523.91.68/222015027924

48、1.521615225.41.68/2220200343298.527020428.61.68/222025040636232425430.21.612/252230048343238130531.81.612/2522JPI300RF公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3tfn-dM2011782.5431915.91.64/19162512489512517.51.64/191640156114.5733820.71.64/222050165127925122.31.68/1916651901491056425.4

49、1.68/2220802101681277628.61.68/222010025420015710231.81.68/2220125279235186125351.68/222015031827021615236.61.612/222020038133027020441.31.612/2522250444387.532425447.71.616-292730052145138130550.81.616-3230JPI600RF公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接凸出部分高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3tfn-dM2011782.5431922.36.44/

50、19162512489512523.96.44/191640156114.5733828.76.44/222050165127925131.86.48/19166519014910564356.48/2220802101681277638.26.48/222010027321615710244.56.48/2522125330266.518612550.96.48/292715035629221615254.16.412/2927200419349270200626.412-3230250508432324247.569.96.416-3533300559489381298.573.16.42

51、0-3533JPI150RJ公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑梯形槽中心圓直徑梯形槽深度梯形槽寬度法蘭厚度DNDD1D2D3LEFt2510879.563.52547.6258.7316.420.74012798.582.63865.0888.8316.423.950152120.5101.65182.558.7316.425.565178139.5120.664101.68.7316.428.780190152.5133.176114.38.7316.430.3100229190.5171.1102149.2258.7316.430.3125254216193.7125171.

52、158.7316.430.3150279241.5219.1152193.6758.7316.431.8200343298.5273204247.658.7316.435250406362330.2254304.28.7316.436.6300483432406.13053818.7316.438.2JPI300RJ公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑梯形槽中心圓直徑梯形槽深度梯形槽寬度法蘭厚度DNDD1D2D3LEFt2011782.563.51942.8628.7316.422.3251248969.82550.88.7316.423.940156114.590.53868.2

53、6211.9066.427.1501651271085182.5511.906828.76519014912764101.611.906831.88021016814676123.82511.906835100254200174.6102149.22511.906838.2125279235209.6125180.97511.906841.4150318270241.3152211.13811.906843200381330301.6204269.87511.906847.7250444387355.6254323.8511.906854.1300521451412.830538111.906

54、857.2JPI600RJ公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑梯形槽中心圓直徑梯形槽深度梯形槽寬度法蘭厚度DNDD1D2D3LEFt2011782.563.51942.8628.7316.422.3251248969.82550.888.7316.423.940156114.590.53868.2628.7316.428.7501651271085182.5511.906831.86519014912764101.611.9068358021016814676123.82511.906838.2100270216174.6102149.22511.906844.5125330266

55、.5209.6125180.97511.906850.9150356292241.3152211.13811.906854.1200419349301.6200269.87511.906862250508432355.6247.5323.8511.906869.9300559489412.8298.538111.906873.1連接凸出部分高度螺栓孔數(shù)量與直徑螺栓直徑fn-dM6.44/15126.44/15126.44/19166.44/19166.44/19166.48/19166.48/22206.48/22206.48/22206.412/25226.412/2522連接凸出部分高度螺

56、栓孔數(shù)量與直徑螺栓直徑fn-dM6.44/19166.44/19166.44/222088/191688/222088/222088/222088/2220812/2220812/2522816-2927816-3230連接凸出部分高度螺栓孔數(shù)量與直徑螺栓直徑fn-dM6.44/19166.44/19166.44/222088/191688/222088/222088/252288/2927812/2927812-3230816-3533820-3533德德國國DINDIN標(biāo)標(biāo)準(zhǔn)準(zhǔn)法法蘭蘭尺尺寸寸PN16(1.6MPa)公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑連接凸出部分高度法蘭厚度螺栓孔

57、數(shù)量與直徑螺栓直徑DNDD1D2fHn-dM159565452144/14122010575582164/14122511585682164/141232140100782184/181640150110882184/1816501651251023204/1816651851451223204/1816802001601383228/18161002201801583248/18161252502101883268/18161502852402123268/22202003402952683308/22202504053553203328/2624PN40(4.0MPa)公稱通徑外徑螺栓孔中

58、心圓直徑連接凸出部分直徑連接凸出部分高度法蘭厚度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2fHn-dM159565452164/14122010575582184/14122511585682184/141232140100782184/181640150110882184/1816501651251023204/1816651851451223228/1816802001601383248/18161002351901623248/22201252702201883268/26241503002502183288/262420037532028533412/3027250450385345338

59、12-3330中中國國JBJB標(biāo)標(biāo)準(zhǔn)準(zhǔn)法法蘭蘭尺尺寸寸 1 1、凸凸面面整整體體鋼鋼管管法法蘭蘭（JB/T79.1-94)JB/T79.1-94) PN1.6PN1.6、PN2.5、PN4.0MPa圖1凸面整體鑄鋼管法蘭PN1.6MPa公稱通徑連接尺寸密封面尺寸DN法蘭外徑螺栓孔中心圓直徑螺栓孔直徑螺栓、螺柱dfDKL系列1/系列2系列1/系列2數(shù)量n螺紋Th.系列1/系列2159565144M124522010575144M125522511585144M1265232140/135100184M1678240150/145110184M1685350165/160125184M161003

60、65185/180145184M16120380200/195160188M161353100220/215180188M161553125250/245210188M161853150285/280240238M202103-175310270238M202403200340/3352952312M202653-2253653252312M20295325040535526/2512M24/M22320330046041026/2512M24/M223754PN2.5MPa公稱通徑連接尺寸密封面尺寸DN法蘭外徑螺栓孔中心圓直徑螺栓孔直徑螺栓、螺柱dfDKL系列1/系列2系列1/系列2數(shù)量n螺