Speed | Pumping time | |||
Rotating | Circum- | Standard NBR | SKF compound RG | |
ferential | ||||
r/min | m/s | s | ||
1 000 | 3,1 | - | 117 | |
1 500 | 4,7 | 280 | 69 | |
2 000 | 6,3 | 186 | 50 | |
2 500 | 7,9 | 130 | 40 | |
3 000 | 9,4 | 102 | 31 | |
3 500 | 11,0 | 82 | 25 | |
4 000 | 12,6 | 68 | 21 | |
4 500 | 14,1 | 57 | 18 |