nominal sizes

Out diameter

Bolt hole center circle diameter

Connect the extruding part diameter

inner diameter

Trapezoidal groove center circle diameter

Trapezoidal groove depth

Trapezoidal slot width

Flange thickness

Connect the extruding part height

Bolt hole diameter and number

Bolt diameter

DN

D

D1

D2

D3

L

E

F

t

f

n-d

M

20

117

82.5

63.5

19

42.862

8.731

6.4

22.3

6.4

4-19

16

25

124

89.0

69.8

25

50.880

8.731

6.4

23.9

6.4

4-19

16

40

156

114.5

90.5

38

68.262

8.731

6.4

28.7

6.4

4-22

20

50

165

127.0

108.0

51

82.550

11.906

8.0

31.8

8.0

8-19

16

65

190

149.0

127.0

64

101.600

11.906

8.0

35.0

8.0

8-22

20

80

210

168.0

146.0

76

123.825

11.906

8.0

38.2

8.0

8-22

20

100

270

216.0

174.6

102

149.225

11.906

8.0

44.5

8.0

8-25

22

125

330

266.5

209.6

125

180.975

11.906

8.0

50.9

8.0

8-29

27

150

356

292

241.3

152

211.138

11.906

8.0

54.1

8.0

12-29

27

200

419

349

301.6

200

269.875

11.906

8.0

62.0

8.0

12-32

30

250

508

432

355.6

247.5

323.850

11.906

8.0

69.9

8.0

16-35

33

300

559

489

412.8

298.5

381.000

11.906

8.0

73.1

8.0

20-35

33