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The YSL-220 RC drilling rig is mainly applied to RC drill/water well and observation well, geothermal hole, small buildings foundation piles.
Drilling techniques way of the following:
YSL-220 reverse circulation (RC) drilling rig is suitable for different drilling ways, so it is highly adaptable to all types of strata and complex working conditions. The versatile RC drilling rig is able to resolve the difficulty of boring in the stratums such as soft and loose cover ground condition, the cobble layer and also the bedrock fracture zone.
| Model | YSL-220RC | |
| Drill rig weight (crawler mounted) | kg | 7500 |
| Length × Width × Height (normal) | mm | 6300×2000×2500 |
| Ambient Temperature Range | °C | -10～38 |
| Nominal Drill Depth | m | 200 |
| Drill Diameter | mm | 130～250 |
| Drill head output | ||
| Output Rotation Speed | rpm | 40；80；70;140 |
| Max Output Torque | N.m | 8500 |
| Stroke of Power Head | ||
| Stroke | mm | 3800 |
| Thrust Force | kN | 60 |
| Lifting Capacity | kN | 85 |
| Oil Pump | ||
| Output volume | ml/r | 63+50+25 |
| Tank Capacity | 220L | |
| Engine drive type | 6BTA5.9-C180 | |
| Power | kW | 132 |
