BS 10 Table F Flange Dimensions
BS 10 Table F Flanges Sizes and Dimensions in mm
| Nominal |
No. of |
Dia. of Flange |
I.D. of Flange |
Dia. of Bolt Circle |
Dia. of Bolt |
Thickness |
| Pipe Size |
Holes |
D |
d5 |
k |
d2 |
b |
| 1″ |
4 |
4.3/4″ |
1.23/64″ |
3.7/16″ |
5/8″ |
3/8″ |
| 1.1/4″ |
4 |
5.1/4″ |
1.45/64″ |
3.7/8″ |
5/8″ |
1/2″ |
| 1.1/2″ |
4 |
5.1/2″ |
1.15/16″ |
4.1/8″ |
5/8″ |
1/2″ |
| 1/2″ |
4 |
3.3/4″ |
7/8″ |
2.5/8″ |
1/2″ |
3/8″ |
| 3/4″ |
4 |
4″ |
1.3/32″ |
2.7/8″ |
1/2″ |
3/8″ |
| 2″ |
4 |
6.1/2″ |
2.7/16″ |
5″ |
5/8″ |
5/8″ |
| 2.1/2 |
8 |
7.1/4″ |
2.15/16″ |
5.3/4″ |
5/8″ |
5/8″ |
| 3″ |
8 |
8″ |
3.37/64″ |
6.1/2″ |
5/8″ |
5/8″ |
| 3.1/2″ |
8 |
8.1/2″ |
4.5/64″ |
7″ |
5/8″ |
3/4″ |
| 4″ |
8 |
9″ |
4.37/64″ |
7.1/2″ |
5/8″ |
3/4″ |
| 8′ |
12 |
14.1/2″ |
8.23/32″ |
12.3/4″ |
3/4″ |
1″ |
| 9″ |
12 |
16″ |
9.23/32″ |
14″ |
7/8″ |
1″ |
| 10″ |
12 |
17″ |
10.7/8″ |
15″ |
7/8″ |
1″ |
| 12″ |
16 |
19.1/4″ |
12.7/8″ |
17.1/4″ |
7/8″ |
1/1/8″ |
| 14″ |
16 |
21.3/4″ |
14.9/64″ |
19.1/2″ |
1″ |
1.1/4″ |
| 16″ |
20 |
24″ |
16.5/32″ |
21.3/4″ |
1″ |
1.1/4″ |
| 5″ |
8 |
11″ |
5.43/64″ |
9.1/4″ |
3/4″ |
7/8″ |
| 6″ |
12 |
12″ |
6.23/32″ |
10.1/4″ |
3/4″ |
7/8″ |
| 7″ |
12 |
13.1/4″ |
7.5/8″ |
11.1/2″ |
3/4″ |
7/8″ |
| 18″ |
20 |
26.1/2″ |
18.3/16″ |
24″ |
1.1/8″ |
1.3/8″ |
| 20″ |
24 |
29″ |
20.13/16″ |
26.1/2″ |
1.1/8″ |
1.1/2″ |
| 24″ |
24 |
33.1/2″ |
24.1/4″ |
30.3/4″ |
1.1/4″ |
1.5/8″ |
