DQZR500SJ Top Drive Drilling Device
| Specification | DQZR500SJ |
|---|
| Nominal Drilling Depth (φ114mm Drill Pipe) | 7000m |
| Rated Load | 4500kN |
| Power Supply | 600VAC/50Hz |
| Rated Power (Continuous) | 450kW * 2 |
| Spindle Speed Range | 0～220r/min |
| Continuous Drilling Torque | 78kN·m |
| Maximum Make-up Torque | 130kN·m |
| Backup Wrench Pipe Range | φ86~φ216mm |
| Hydraulic System Working Pressure | 16MPa |
| IBOP Rated Pressure | 70MPa |
| Mud Passage | 76mm |
| Center Tube Through Hole Rated Pressure | 70MPa |
| Main Body Weight | 13T |
| Operating Temperature | -45℃~55℃ |
