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DQ70BSQ-JH
DQ70BSQ-JH is a top drive system with AC variable - frequency controlled drive, equipped with two induction motors with a continuous rated power 2 x 375 kW ( 2 x 503 hp).
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| Drive type |
AC VFD |
| Rated drilling depth, m (114 mm drill pipe) |
7000 m |
| Rated load capacities, KN (ton) |
4450 (459) |
| Power supply, VAC/HZ |
600 /50 HZ or 60 HZ |
| Rated current, A |
465 x 2 |
| Maximum current, A |
698 x 2 |
| Rated power (continuous), kW (hp) |
375 × 2 (503 × 2) |
| Rotary speed, r/min |
0～220 |
| Drilling torque (continuous), kNm |
65 |
| Max. torque of break out, kNm |
100 |
| Backup tong range, Ø, mm |
96～197 |
| Hydraulic system working pressure, MPa |
16 |
| Rated pressure of IBOP, MPa |
70 |
| Mud circulating diameter, mm |
76 |
| Rated circulating pressure, MPa |
35 or 52 |
| Max. distance between main shaft center and the front end, mm |
925 |
| Main body height, m |
5.7 |
| Working height, m |
6.0 |
| Ambient temperature |
-45℃～+55℃ |
| Main body weight, t |
13 |
| Measurements body height, mm |
5700 × 1700 × 1750 |
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