Size in mm | I.D. mm | O.D. mm | Wall Thickness in mm | Standard Length mtrs |
12 | 12.7 | 18.7 | 3.0 + 0.2 | 50, 100 |
15 | 15.8 | 22.8 | 3.5 + 0.2 | 50, 100 |
20 | 19.1 | 26 | 3 .5+ 0.2 | 30, 50, 100 |
25 | 25.4 | 33.4 | 4.0 + 0.2 | 30, 50, 100 |
30 | 31.8 | 39.8 | 4.0 + 0.2 | 30, 50 |
40 | 38.1 | 47 | 4.5 + 0.2 | 30, 50 |
50 | 50.8 | 60.8 | 5.0 + 0.2 | 30, 50 |