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DQ50B-JH
DQ50B-JH is a top drive system with AC variable - frequency controlled drive, equipped with induction motor with a continuous rated power 375 kW ( 503 hp).
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Drive type |
AC VFD |
Rated drilling depth, m (114 mm drill pipe) |
5 000 |
Rated load capacities, KN (ton) |
3 150 (321) |
Power supply, VAC/HZ |
600 / 50 HZ or 60 HZ |
Rated current, A |
465 |
Maximum current, A |
698 |
Rated power (continuous), kW (hp) |
375 ( 503 ) |
Rotary speed, r/min |
0~180 |
Drilling torque (continuous), kNm |
40 |
Max. torque of break out, kNm |
60 |
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 |
Max. distance between main shaft center and the front end, mm |
710 |
Main body height, m |
5.2 |
Working height, m |
5.6 |
Ambient temperature |
-45℃ ~ +55℃ |
Main body weight, t |
10.5 |
Measurements body height, mm |
5200 × 1550 × 1500 |
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