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Home » Production » The top drive systems SLC-JH » DQ20B-JH

DQ20B-JH

 

DQ20B-JH is a top drive system with AC variable - frequency controlled drive, equipped with induction motor with a continuous rated power 250 kW ( 340 hp).

Drive type AC VFD
Rated drilling depth, m (114 mm drill pipe) 2 000
Rated load capacities, KN (ton) 1 350 ( 150 )
Power supply, VAC/HZ 600 / 50
Rated current, A 330
Maximum current, A 445
Rated power (continuous), kW (hp) 250 (330)
Rotary speed, r/min 0~180
Drilling torque (continuous), kNm 26
Max. torque of break out, kNm 39
Backup tong range, Ø, mm 87~216
Hydraulic system working pressure, MPa 16
Rated pressure of IBOP, MPa 70
Mud circulating diameter, mm 62
Rated circulating pressure, MPa 35
Max. distance between main shaft center and the front end, mm 463
Main body height, m 4.0
Working height, m 4.4
Ambient temperature -45℃ ~+55℃
Main body weight, t 6.5
Measurements body height, mm 4050 × 910 × 1122

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