DN

300Lb凸面法兰RF

mm

in

L

D

D1

D2

b

n-φd

H

Do

15

1/2

140

95

66.5

35

14.2

4-φ16

169

120

20

3/4

152

117

82.5

43

16.0 

4-φ19

193

150

25

1

165

123

89.0

51

17.5

4-φ19

230

160

32

11/4

178

133

98.5

63

19.0

4-φ19

246

180

40

11/2

190

155

114.3

73

20.6

4-φ22.5

283

200

50

2

216

165

127.0

92

22.4

8-φ19

330

220

65

21/2

241

190

149.4

105

25.4

8-φ22.5

368

240

80

3

283

210

168.1

127

28.4

8-φ22.5

394

280

100

4

305

254

200.2

157

31.8

8-φ22.5

473

300

125

5

381

279

235.0 

186

35.0 

8-φ22.5

660

350

150

6

403

318

269.7

216

36.6

12-φ22.5

711

400

200

8

419

381

330.2

270

41.2

12-φ25.4

813

450

250

10

457

444

387.4

324

47.8

16-φ28.5

1003

500

300

12

502

521

450.8

381

50.8

16-φ32

1137

550

350

14

762

584

514.4

413

54.0 

20-φ32

1489

600

400

16

838

648

571.5

470

57.2

20-φ35

1580

650

450

18

914

711

628.7

533

60.5

24-φ35

2017

700

500

20

991

775

685.8

584

63.5

24-φ35

2228

700

600

24

1143

914

812.8

692

70.0 

24-φ41

2650

750

650

26

1245

867

803.1

736 6

90.0 

32-φ35

3219

800

700

28

1346

921

857.3

787.4

90.0 

36-φ35

3378

850

750

30

1397

991

902.8

844.6

93.7

36-φ38

3530

900

800

32

1524

1054

978

902

103

32-φ41.2

3708

1000

900

36

1727.2

1171.5

1089.2

1010

103

32-φ44.5

3924

1100

1000

40

-

1273

1190.8

1115

115.8

40-φ4.5

4318

1100

1050

42

-

1333.5

1244.6

1168.4

119

36-φ47.8

-

1100

1200

48

-

1511.3

1416

1327.2

128.5

40-φ50.8

-

1100