Nominal Bore |
|
(mm) |
(inch) |
15 |
1/2 |
20 |
3/4 |
25 |
1 |
32 |
1 1/4 |
40 |
1 1/2 |
50 |
2 |
65 |
2 1/2 |
80 |
3 |
100 |
4 |
150 |
6 |
200 |
8 |
250 |
10 |