国标法兰尺寸对照表

国法寸照

国标兰尺对表凸面平钢制管法兰PN1.0MPa(10bar)

MM公称通径DN

管子外径A

法兰管径D系列1/系列2

连接尺寸密封尺寸螺栓孔中螺栓孔直径螺栓、螺柱圆直径L数量螺纹Th.dfK系列1/系列n系列1/列2

法兰法兰厚度内径CB

法兰理论重量kg101520253240

141825323845

9095105115140/135150/145

60657585100110

141414141818

444444

M12M12M12M12M16M16

404555657885

212212214214216318

151926333946

0.460.510.750.891.401.71506580100125150175200225250300350400450500600700800

577389108133159194219245273325377426480530630720820

165/160185/180200/195220/215250/245285/280310340/335365395/390445/440505/5005656156707808951015/1010

125145160180210240270295325350400460515565620725840950

18181818182323232323232326/2526/2526/25303034

444888888121216162020202424

M16M16M16M16M16M20M20M20M20M20M20M20M24/M22M24/M22M24/M22M27M27M30

100318120320135320155322185324210324240324265324295324320326368428428428482430532430585432685536800536905538

597591110135161196222248276328380430484534634715817

2.092.843.244.015.406.677.448.249.3010.7012.9016.9021.8024.4027.7039.405367900100011001200

920102011201220

1115/11101230/122013401455/1450

1050116012701380

3436/343639/41

28282832

M30M30/M33M33M36

100553891876参考1115538102090参考1222540125参考13255441223143参考

凸面平钢制管法兰PN1.6MPa(16bar)

MM公称管子通径外径DNA

法兰管径D系列1/系列2

螺栓孔中圆直径K

连接尺寸螺栓孔直L系列1/列2

数量n

螺栓、螺螺纹Th.系列1/列2

密封尺寸df

法兰法兰厚度内径CB

法兰理论重量kg101520253240

141825323845

9095105115140/135150/145

60657585100110

141414141818

444444

M12M12M12M12M16M16

404555657885

222223

141416181820

151926333946

0.550.710.871.181.602.00506580

577389

165/160185/180200/195

125145160

181818

448

M16M16M16

100312031353

222424

597591

2.613.453.71100108125133150159175194200219225245250273300325350,377400426450480500530600630700720800820

220/215250/245285/280310340/335365405160520580640715/7058409101025/1020

180210240270295325355410470525585650770840950

18182323232326/2526/2526/2530303436/4136/4139/41

88881212121216162020202424

M16M16M20M20M20M20M24/M22M24/M22M24/M22M27M27M30M33/M36M33/M36M36

155318532103240326532953320337544354485454546084718578858985

262828283030323234384248505052

110135161196222248276328380430484534634724824

4.806.477.928.8110.1011.7015.7018.1023.3031.0040.2055.7080.80106.2130.5900920100010201100112012001220

1125/1120125513701485

1050117012801390

39/4142/484248/54

28282832

M36M39/M42M39M45/M48

9985111051222513255

44465052

92491参考1024127参考1124160参考1224186参考

凸面平钢制管法兰PN2.5MPa(25bar)

MM公称管子通径外径DNA

法兰管径D系列1/系列2

螺栓孔中心圆直径K

连接尺寸螺栓孔直L系列1/系列2

数量n

螺栓、螺螺纹Th.系列1/系列2

密封尺寸df

法兰法兰厚度内径CB

法兰理论重量kg101520253240506580

141825323845577389

9095105115140/135150/145165/160185/180200/195

60657585100110125145160

141414141818181818

444444488

M12M12M12M12M16M16M16M16M16

404555657885100120135

216216218218220322324324326

151926333946597591

0.640.800.991.181.962.602.713.224.06100108125133150159175194200219225245250273300325350377400426450480500530600630700720800820

235/230270300330360395425485555/550620/610670/660730845/840960/9551085/1070

190220250280310340370430490550600660770875990

2326/2526/2526/2526/253030304036/3436/3436/344142/4848

888121212121616162020202424

M20M24/M22M24/M22M24/M22M24/M22M27M27M27M30M33/M30M33/M30M33/M36M36M39/M42M45/M42

160188218248278302332390448505555610718815930

328330330332332334334436442444448452556560564

110135161196222248276328380430484534634724824

6.008.2610.4011.9014.5017.0018.9026.8034.3544.9051.9267.3095.20116.0150.2900920100010201100112412001220

1185/11801320/130514251530/1525

1090121013151420

48/5455/585555/58

28282832

M45/M48M52M52M52

1025558924160参考11405621024210参考12455661124260参考13505701224300参考

凹凸面焊钢制管法PN4.0MPa(40bar)MM连接尺寸

密封尺寸

法兰理论公管称子法兰管通外D径径系列DNA列2

螺栓孔中心圆直径K

螺栓螺栓、螺柱孔XY直径L数螺纹Th.系列1系列f1df系列量系列1///f21/n系列2系列2系列2系列2

法法法劲圆兰兰兰部角厚高内直半度度径径径CHBNmaxR

重量kgA型B1014151820252532

9095105115

60657585

144144144144

M12M12M12M12

40455565

34395057

35405158

24163582640.770.67241635123050.870.77241636183851.090.97241638254551.311.183238140/135100184

M16

78

65

66

241845315652.171.984045150/145110184

M16

85

75

76

3418

,48

386452.512.145057165/160125184

M161008788342048487653.342.926573185/1801451888089200/195160188100235/230190238

M16120109M16135120M20160149

110342252669664.343.851213424587811265.525.03150326689613868.397.71125150175200225250300

270300330360395425485

22026/258M24/M2218817525026/258M24/M2221820328026/2512M24/M2224823331026/2512M24/M222782593403012M273022863703012M273323124303016M27390363

17632868120160811.0610.2720433072145186814.1613.30234336881772261021.8020.97260338882002501025.5624.72287340982262801032.4831.603133421023101039.8739.003644461163681255.9753.21350555/5504903416M30448421400620/61055036/3416M33/M30505473450670/66060036/3420M33/M30555523

42245523514181275.3072.29474455839848012112.02108.44524456044853014112.82109.70500

730

66036/4120M33/M36610575

576456249558015142.70138.60600700

890995

79548/5420M45/M48730675/677676/67856625957002016790048/5424M45/M48825777/767778/768566868078020275

160265800140/113510305824M52960882\875883/876567678091022410

400

凹凸面焊钢制管法PN6.4MPa(64bar)连接尺寸密封尺寸公管螺栓螺栓螺栓、螺柱

MM

法法法

劲圆

法兰理论重量kg称子

法兰

孔

孔XY

兰兰兰

部角通外径径

管径D中心直径L系列1圆系列

数螺纹Th系列1系列1f1df量系列1///f2

厚高内度度径

直半径径

A型

B型DNA/列2径1/

n

系列2

系列2

系列2

CHBNmaxRK系列210141518

100105

7075

144144

M12M12

5055

3439

3540

24184883441.121.02241848123851.251.142025130/12590

184

M16

68

50

51

2420,184852.121.952532140/1351001843238155/1501102344045170/165125234

M16M20M20

788295

576575

586676

242258255252.642.46242462316453.503.28342468377454.353.915057180/175135234

M20105

87

88

342670478655.294.806573205/2001602388089215/210170238

M20130109M20140120

1103428756410667.006.431213430757712068.077.50100250

20026/258M24/M22168149

15034.5328094140611.5110.80125295

24030

8

M27202175

17634.53698118818.0217.09150345/340280348

M30240203

20434.538108142206826.4525.29175375/3703103412M30270233200415/40534536/3412M33/M30259

23434.5421101742321030.6329.6126034.5441161982641039.6838.51225430250470300530

37036/3412M33/M3032528640036/4112M33/M3635231246036/4116M33/M36412363

28734.5461202222901043.3442.3231334.5481222463161053.6452.4736444.5541362943701273.1069.97350600/5955254116M36475421

422456015434243012103.50108.44400670

58542/4816M39/M42525473

474456617038648412143.30138.90450715500800

6304820M4257052370548/5420M45640575

524457018644054015160576457020048559518215

155210600930

8205820M52750675/677676/678567622058518320

310

凹凸面焊钢制管法PN10.0MPa(100bar)MM连接尺寸

密封尺寸

法兰理论公

管

螺栓

螺栓、螺

X

Y

法法法

劲圆

重量kg称

子

法兰管

孔

螺栓孔

系列系列

兰兰兰

部角通径

外径径D系列1

中心直径L圆系列1

数螺纹Th量系列1

d

1/

1/

f

f1f2

厚高内度度径

直半径径

A型

B型DNA/列2直径/列K

n/列2

系列系列22

CHBNmaxR101410070

144M125034

3524184583441.121.0148151810575144M125539402420

123851.371.26,2025130/125902532140/1351003238155/1501104045170/165125

18182323

4444

M16M16M20M20

6850785782659575

51242256184852.302.1358242458255252.862.6766242462316453.503.2876342670377654.724.285057

195

14526/254M24/M2211287

88342872458656.586.0265738089

220230

17026/258M24/M221381091103432846211069.208.6018026/258M24/M2214812012134349075124610.619.97100108

265

21030

8

M2717214915033892146615.5414.70125133315/310250150159315/350290175194385/380320

343434

81212

M30210175176342112180825.1024.00M30250203204346136214834.4333.26M302802332343481662461041.6040.47200219

430

36036/4112M33/M362592603541902761057.1455.80225245

470

40041

12

M363522862873562123121073.3071.90250273505/500430

41

12

M363823123133602363401089.3087.90300325350377400426

585665715

50042/4816M39/M4236336447028440012107.45130.1056048/5416M45/M48421422457621033246012186.00175.2062048/5416M45/M48473474458022037651012223.50218.50

环连接对焊钢制管兰PN16.0MPa(160bar)机械行标准JB/T82.4-94公管连接尺寸

MM

法法法

劲圆称子通外径径DNA

螺栓、螺法兰螺栓孔螺栓管径中心圆孔数量螺纹ThD直径K直径Ln

dPFErmax

兰兰兰部角厚高内直半度度径径径CHBNmaxR

法兰理论重量kg1518110202513025321403242165404817550602156573245808926010030012535515039017546020048225545