SQ-200 reverse circulation drilling rig can be used for low and middle hardness formation of high-speed rail, bridge, wind power, pylons foundation work, also can be used in the water well drilling and bore pile.
| Parameter | |||
| Ltem | Unit | Data | |
| Drill hole depth | m | ≤250 | |
| The hole diameter | mm | 450-2000 | |
| Spindle speed | r/min | 11 | |
| Spindle power | KW | (5.5-7.5)*2 | |
| The spindle torque | N.m | 12000 | |
| Winch lifting force | T | 15 | |
| Reverse circulation pump | Flow | m³/h | 500 |
| Power | KW | 30 | |
| Generating set | Rated voltage | V | 380 |
| Rated current | A | 115 | |
| Rated speed | r/min | 1500 | |
| Rated power | KW | 64 | |
| Drill pipe | mm | Ф168*2000/Ф180*2000 | |
| Main power supporting power | 4105-6105 diesel engine | ||
| Overall dimension | mm | 9000*2400*3300 | |
| Weight | T | 13 | |