Atostar Ball Valve Actuation Torque Figures
Clean and Clear service
| Differential Pressure Barg | |||
| NB | 0 bar | 10 Bar | 19 Bar |
| 1″ | 9 | 10 | 10 |
| 1.1/2″ | 24 | 32 | 41 |
| 2″ | 32 | 41 | 54 |
| 3″ | 64 | 80 | 106 |
| 4″ | 75 | 115 | 147 |
| 6″ | 190 | 248 | 367 |
1. All torque figures are shown in Newton / metres and include a 30% safety factor. 2. For valves operating above 100 degrees C please increase these figures by 20%.
Slurry and Dry Service
| Differential Pressure Barg | |||
| NB | 0 Bar | 10 Bar | 19 Bar |
| 1″ | 11 | 12 | 12 |
| 1.1/2″ | 31 | 42 | 52 |
| 2″ | 42 | 52 | 70 |
| 3″ | 83 | 103 | 138 |
| 4″ | 97 | 149 | 191 |
| 6″ | 246 | 369 | 477 |
1. All torque figures are shown in Newton / metres and include a 30% safety factor. 2. For valves operating above 100 degrees C please increase these figures by 20%.