Cutter Sizes Hot Tapping through Gate Valves
The table below is for reference only. If you plan to make a Hot Tap, let the supplier confirm the maximum bore of the valve.
NPS |
Class | Cutter Sizes inch |
Cutter Sizes mm |
| 2 | 150 | 1.3/8 | 34.92 |
| 300 | 1.1/4 | 31.75 | |
| 600 | 1 | 25.4 | |
| 2.1/2 | 150 | 1.13/16 | 46.04 |
| 300 | 1.11/16 | 42.86 | |
| 600 | 1.3/8 | 34.93 | |
| 3 | 150 | 2.1/2 | 63.5 |
| 300 | |||
| 600 | 2.9/32 | 57.94 | |
| 4 | 150 | 3.17/32 | 89.69 |
| 300 | |||
| 600 | 3.1/2 | 88.9 | |
| 6 | 150 | 5.15/32 | 138.91 |
| 300 | |||
| 600 | 5.19/32 | 142.08 | |
| 8 | 150 | 7.3/8 | 187.33 |
| 300 | |||
| 600 | |||
| 10 | 150 | 9.11/32 | 237.33 |
| 300 | |||
| 600 | 9.1/4 | 234.95 | |
| 12 | 150 | 11.9/32 | 286.54 |
| 300 | |||
| 600 | 11.1/8 | 282.58 | |
| 14 | 150 | 12.3/4 | 323.85 |
| 300 | |||
| 600 | 12.7/16 | 315.91 | |
| 16 | 150 | 14.5/16 | 363.54 |
| 300 | |||
| 600 | |||
| 18 | 150 | 15.1/16 | 382.59 |
| 300 | |||
| 600 | |||
| 20 | 150 | 17 | 431.8 |
| 300 | |||
| 600 | |||
| 24 | 150 | 21 | 533.4 |
| 300 | |||
| 600 | 20.3/4 | 527.05 |
The table above is for reference only. If you plan to make a Hot Tap, let the supplier confirm the maximum bore of the valve.