
Reverse circulation system parameters | ||||||
Technical parameters | Unit | SL330S | SL400QS | SL400S | SL500S | SL600S |
Max drilling depth | M | 330 | 400 | 400 | 500 | 600 |
Drilling diameter | mm | 105-305 | 105-325 | 105-325 | 105-400 | 105-400 |
Air pressure | Mpa | 1.2-3.5 | 1.2-3.5 | 1.2-3.5 | 1.2-3.5 | 1.2-3.5 |
Air consumption | m³/min | 16-55 | 16-55 | 16-55 | 16-55 | 16-55 |
Drill pipe length | m | 6 | 6 | 6 | 6 | 6 |
Drill pipe diameter | mm | 89 | 89/102 | 89/102 | 89/102 | 89/102 |
Axial pressure | T | 3 | 4 | 4 | 6 | 6 |
Lifting force | T | 18 | 22 | 22 | 30 | 35 |
Fast lifting speed | m/min | 30 | 29 | 29 | 29 | 33 |
Fast feeding speed | m/min | 60 | 56 | 56 | 48 | 55 |
Max rotary torque | Nm | 8000/4000 | 8000/4000 | 8000/4000 | 11000/5500 | 12000/6000 |
Max rotary speed | r/min | 60/120 | 75/150 | 75/150 | 75/150 | 90/180 |
Big auxiliary which lifting force | T | - | - | - | - | - |
Small auxiliary winch lifting force | T | 1.5 | 1.5 | 1.5 | 1.5 | 2.5 |
Jacks stroke | m | 1.45 | 1.6 | 1.6 | 1.6 | 1.6 |
Drilling efficiency | m/h | 10-35 | 10-35 | 10-35 | 10-35 | 10-35 |
Moving speed | Km/h | 2.5 | 2.5 | 3.5 | 5 | 6.4 |
Uphill angle | slope | 21° | 21° | 21° | 21° | 21° |
Weight of the rig | T | 8.2 | 8.6 | 9.8 | 10.6 | 12.5 |
Dimension | m | 6.32*1.7*2.39 | 6.25*1.7*2.39 | 6.26*1.85*2.43 | 6.52*1.85*2.51 | 6.73*2.1*2.63 |
Engine | / | Yuchai Power 91kw | Weichai 103kw | Yuchai Stock 92kw | Yuchai Stock 110kw | Cummins 132kw |
Working condition | Unconsolidated formation and stone head | |||||
Drilling method | Top drive hydraulic rotary and pushing hammer or mud drilling | |||||
Matched DTH hammer | Medium and high air pressure series | |||||
Optional accessories | Mud pump,Centrifugal pump,Generator,foam pump |
Working Environment
In addition, they support environmental and geological exploration through exploratory borehole drilling, enabling geological surveys, environmental assessments, and resource exploration. Furthermore, water well drilling rigs are key to agricultural and landscaping efforts, facilitating the development of irrigation systems. Their applications extend to construction projects, scientific research initiatives, and even emergency response, where they can quickly establish emergency water wells in disaster-stricken areas. This versatility underscores their significance in addressing diverse needs.















1. Who are we?
2. How can we guarantee the quality?
Always have pre-production samples before mass production;
Always carry out final inspection before shipment;
3. What can you buy from us?
Excavator parts, construction machinery parts, excavators, bulldozers, loaders, graders and other earthwork engineering machinery and equipment
4. What services can we provide?
Accepted delivery terms: FOB, CFR, CIF;
Accepted payment currencies: USD, EUR, CAD;
Accepted payment methods: T/T, L/C, D/P D/A;
Languages spoken: English, Chinese, Spanish, Russian