Atostar Ball Valve Actuation Torque Figures
Clean and Clear service
| Differential Pressure | |||
|---|---|---|---|
| NB | 0 PSI | 10 PSI | 19 PSI |
| 1″ | 131 | 145 | 145 |
| 1.1/2″ | 348 | 464 | 595 |
| 2″ | 464 | 595 | 783 |
| 3″ | 928 | 1160 | 1537 |
| 4″ | 1088 | 1668 | 2132 |
| 6″ | 2756 | 3597 | 5323 |
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 | |||
|---|---|---|---|
| NB | 0 PSI | 10 PSI | 19 PSI |
| 1″ | 160 | 174 | 174 |
| 1.1/2″ | 450 | 609 | 754 |
| 2″ | 609 | 754 | 1015 |
| 3″ | 1204 | 1494 | 2002 |
| 4″ | 1407 | 2161 | 2770 |
| 6″ | 3568 | 5352 | 6918 |
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%.