Class 600 Flange information

diameter

number of

diameter

stud bolt length

pipe size

outside

bolt circle

bolt hole

bolt holes

of bolts

1/4" raised face


0.50


3.75


2.62


0.625


4


0.500


3.00

0.75

4.62

3.25

0.750

4

0.625

3.50

1.00

4.88

3.50

0.750

4

0.625

3.50

1.25

5.25

3.88

0.750

4

0.625

3.75

1.50

6.12

4.50

0.875

4

0.750

4.25

2.00

6.50

5.00

0.750

8

0.625

4.25

2.50

7.50

5.88

0.875

8

0.750

4.75

3.00

8.25

6.62

0.875

8

0.750

5.00

3.50

9.00

7.25

1.000

8

0.875

5.50

4.00

10.75

8.50

1.000

8

0.875

5.75

5.00

13.00

10.50

1.125

8

1.000

6.50

6.00

14.00

11.50

1.125

12

1.000

6.75

8.00

16.50

13.75

1.250

12

1.125

7.50

10.00

20.00

17.00

1.375

16

1.250

8.50

12.00

22.00

19.25

1.375

20

1.250

8.75

14.00

23.75

20.75

1.500

20

1.375

9.25

16.00

27.00

23.75

1.625

20

1.500

10.00

18.00

29.25

25.75

1.750

20

1.625

10.75

20.00

32.00

28.50

1.750

24

1.625

11.25

24.00

37.00

33.00

2.000

24

1.875

13.00