Flange Normal Diam.

O.D. Flange

Thk. Of Flange Min

Diam.

of

Hub

Hub

Diam.

Chamfer

of W.N

Length Hub

Diam.

of Bolt

Circle

Diam.

of Bolt

Holes

Number

of Bolts

Diam. of

Bolts

(inch)

Approx. Weight

inch

dn

O

C

X

A

Y

BC

BH

BN

BD

KG/PCS

LB/PCS

1/2"

15

120.7

22.4

38.1

21.3

60.5

82.6

22.4

4

3/4"

2.1

4.6

3/4"

20

130

25.4

44.5

26.7

69.9

88.9

22.4

4

3/4"

2.7

5.9

1"

25

149.4

28.4

52.3

33.5

73.2

101.6

25.4

4

7/8"

3.9

8.6

1-1/4"

32

158.8

28.4

63.5

42.2

73.2

111.3

25.4

4

7/8"

4.5

9.9

1-1/2"

40

177.8

31.8

69.9

48.3

82.6

124

28.4

4

1"

6.2

13.7

2"

50

215.9

38.1

104.6

60.5

101.6

165.1

25.4

8

7/8"

11.3

24.9

2-1/2"

65

244.3

41.1

124

73.2

104.6

190.5

28.4

8

1"

16.3

36

3"

80

241.3

38.1

127

88.9

101.6

190.5

25.4

8

7/8"

15

33

4"

100

292.1

44.5

158.8

114.3

114.3

235

31.8

8

1 1/8"

24

52.8

5"

125

349.3

50.8

190.5

141.2

127

279.4

35.1

8

1 1/4"

38.5

85

6"

150

381

55.6

235

168.4

139.7

317.5

31.8

12

1 1/8"

50

110

8"

200

469.9

63.5

298.5

219.2

162.1

393.7

38.1

12

1 3/8"

85

187

10"

250

546.1

69.9

368.3

273.1

184.2

469.9

38.1

16

1 3/8"

123

271

12"

300

609.6

79.2

419.1

323.9

200.2

533.4

38.1

20

1 3/8"

168

370

14"

350

641.4

85.9

450.9

355.6

212.9

558.8

41.1

20

1 1/2"

198

436

16"

400

704.9

88.9

508

406.4

215.9

616

44.5

20

1 5/8"

225

495

18"

450

787.4

101.6

565.2

457.2

228.6

685.8

50.8

20

1 7/8"

318

701

20"

500

857.3

108

622.3

508

247.7

749.3

53.8

20

2"

376

829

24"

600

1041

139.7

749.3

609.6

292.1

901.7

66.5

20

2 1/2"

680

1498