Technical Specification
| Type | KR220C |
| Torque | 220 KN.m |
| Max. diameter | 1800/2000 mm |
| Max. drilling depth | 51 m(Lock)/ 64 m(Friction kelly bar) |
| Speed of rotation | 5~26 rpm |
| Max. crowd pressure | 210 kN |
| Max. crowd pull | 220 kN |
| Main winch line pull | 230 kN |
| Main winch line speed | 60m/min |
| Auxiliary winch line pull | 90 kN |
| Auxiliary winch line speed | 60 m/min |
| Stroke(crowd system) | 5000mm |
| Mast inclination(lateral) | ±5° |
| Mast inclination(forward) | 5° |
| Max. operating pressure | 35 MPa |
| Pilot pressure | 4 MPa |
| Travel speed | 2km/h |
| Traction force | 420 kN |
| Operating height | 21236 mm |
| Operating width | 4300mm |
| Transport height | 3323 mm |
| Transport width | 3000 mm |
| Transport length | 15260mm |
| Overall weight | 64 t |
Why Choose Us?
1. We are the professional & trustworthy manufacturer of piling machinery in China, best quality & best service.
2. Supply professional customized service to meet all your requirements.
3. Our rotary drilling rigs have been sold to more than 20 counstries, such as Russia, Australia, Thailand, Zambia and others.
4. Competitive price.
FAQ
Q1: What is the Warranty of the Rotary Drilling Rig?
The warranty period for new machine is one year or 2000 working hours, whichever comes first will be applied.
Please contact with us for detailed Warranty Regulation.
Q2: What's your service ?
We can offer professional technical support and good after-sale service to you.
Modification methods will be different according to different models and configurations of your owned excavators.
Before modifying, you need to provide configuration, mechanical and hydraulic joints and others.
Before modifying, you need to confirm technical specification.