Place of Origin:
China
Brand Name:
XI'AN RIG
Certification:
API
Model Number:
DQ50
DQ50 Top Drive VFD Electric Top‑Drive Unit for 5000m Medium‑Deep Drilling Rigs
| Nominal drilling depth (114 mm drill pipe) | 5000 m | 16400 ft |
| Rated load (Elevator, Main shaft) | 3150 kN | 350 (US tonf) |
| Working height (with 3.3 m bails) | 6.4 m | 21 ft |
| Rated continuous output torque | 43 kN·m | 31717 lbf·ft |
| Maximum breakout torque | 65 kN·m | 47944 lbf·ft |
| Maximum static brake torque | 53 kN·m | 39093 lbf·ft |
| Main‑shaft rotary speed range (stepless) | 0～180 r/min | 0～180 r/min |
| Backup tong clamping range | 2 7/8～5 1/2 in | 2 7/8～5 1/2 in |
| Rated pressure of mud circulation passage | 35 MPa | 5076 psi |
| Operating pressure of hydraulic system | 0～14 MPa | 0～2031 psi |
| Rated power of main motor | 420 kW | 563 BHP |
| Input power of VFD control house | 600 VAC/50Hz | 600 VAC/50Hz |
| Ambient temperature | −35℃～55℃ | −31℉～131℉ |
| Center distance between main‑shaft and guide beam | 526×690 mm | 1.72×2.26 ft |
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