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DQ90BS-JH
DQ90BS-JH is a top drive system with AC variable - frequency controlled drive, equipped with two induction motors with a continuous rated power 2 x 450 kW ( 2 x 603 hp).
| Drive type |
AC VFD |
| Rated drilling depth, m (114 mm drill pipe) |
9000 m |
| Rated load capacities, KN (ton) |
6670(688) |
| Power supply, VAC/HZ |
600 /50 HZ or 60 HZ |
| Rated current, A |
555 x 2 |
| Maximum current, A |
833 x 2 |
| Rated power (continuous), kW (hp) |
450 × 2 ( 603 × 2 ) |
| Rotary speed, r/min |
0～220 |
| Drilling torque (continuous), kNm |
78 |
| Max. torque of break out, kNm |
120 |
| Backup tong range, Ø mm |
110～216 |
| Hydraulic system working pressure, MPa |
16 |
| Rated pressure of IBOP, MPa |
70 |
| Mud circulating diameter, mm |
89 |
| Rated circulating pressure, MPa |
52 |
| Max. distance between main shaft center and the front end, mm |
955 |
| Main body height, m |
6.0 |
| Working height, m |
6.3 |
| Ambient temperature |
-45℃ ～ +55℃ |
| Main body weight, t |
18 |
| Measurements body height, mm |
6000 × 1900 × 1900 |
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