| Certification: | CE, RoHS, ISO 9001:2000, ISO 9001:2008 |
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| Condition: | New |
| Motor: | DC Motor |
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HF220Y crawler multi-functional water well drilling rig is a moveable, efficient and multipurpose rock drilling equipment. It has rotary drilling mode and percussive drilling mode with high-pressure air, foam and mud according to different geological conditions. 
Application
It is widely used in industrial & agricultural water conservancy engineering. It can drill rock well, monitoring well and exploration well, especially apply to drilling geothermal heating hole. It also can satisfy the project demands of engineering foundation reinforcement, pipe-following drilling on loose gravel stratum, cornerstone drilling and etc.
| Bore diameter(mm) | 115-350 |
| Bore depth(m) | 220 |
| Walk speed(km/h) | 0-2.5 |
| For rock(F) | 6-20 |
| Air pressure(Mpa) | 1.05-3.0 |
| Air consumption(m³/min) | 16-30 |
| Once promotion(mm) | 3000 |
| Skid max angle(°) | 90 |
| Maximum height from the ground(mm) | 320 |
| Rotation Speed(r/min) | 0-100 |
| Rotation torque(NM) | 4000 |
| Lifting power(T) | 8 |
| Climb ability(°) | 25 |
| Dimension(L*W*H)(mm) | 5160*2080*2710 |
| Weight(Kg) | 6700 |
1. Are you trading company or manufacturer?
We are professional manufacturer, and our factory mainly produce water well drilling rig, core drilling rig, DTH drilling rig, piling rig, etc. Our products have been exported to more than 50 countries of Asia, South America, Africa, and get a good reputation in the world.
2. Are your products qualified?
Yes, our products all have gained ISO certificate,and we have specialized quality inspection department for checking every machine before leaving our factory.
3. How about your machine quality?
All of our machines hold the ISO, QC and TUV certificate, and each set of machine must pass a great number of strict testing in order to offer the best quality to our customers.
4. Do you have after service?
Yes, we have special service team which will offer you professional guidance. If you need, we can send our engineer to your worksite and provide the training for your staff.
5. What about the qaulity warranty?
We offer one-year quality warranty for machines' main body.
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