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Help Center400m Air Compressor Dfq-400A DTH Hammer Water Bore Well Drilling Machine Prices for Sale
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DFQ-400A multi-functional drilling rig is a portable, efficient and multifunction crawler mounted drilling rig. It is mainly used in drilling water well, monitoring wells, geothermal projects and other deep holes, especially suitable for the high efficiency required concentrated geothermal projects working.
This machine can drill in various ground conditions with air compressor and DTH hammer drilling . It used full hydraulic controlling for drill tower lifting, drill rod installing and uninstalling, rotary and feeding, standing legs, hoist and moving, greatly reduce labor cost, improving working efficient and project quality.
| Item | Parameter |
| Drilling caliber | φ115-305 |
| Max. drilling depth | 400m |
| Diameter of drill pipe | Φ76/89 |
| Unit Length of drill pipe | 3000mm |
| Work pressure | 1.2-2.5 MPa |
| Gas consumption | 16-34 m³/min |
| Impacter | DHD360380 |
| Diesel engine | 84Kw/2200rpm |
| Electric motor | 55Kw/1480rpm |
| Gradeability | 20° |
| Walking speed | 0~2.2 Km/h |
| Ground clearance | 265mm |
| Leg cylinder stroke | 800 mm(1500mm) |
| System pressure | 20MPa |
| Propulsion | 7.5 tonf |
| Lifting force | 13 tonf |
| Fast lift | 16m/min |
| Fast propel | 30m/min |
| Hydraulic winch lift | 1000kg |
| Rotary torque | 5000-6000 N.m |
| Speed of spindle | Fast 70-120 rpm |
| Slow 0-65 rpm | |
| Weight | 6500 Kg |
| Dimension | 5400*2100*2300 mm |
Pre-Sales Service
* Inquiry and consulting support.
* Sample testing support.
* View our Factory.
After-Sales Service
* Training how to instal the machine, training how to use the machine.
* Engineers available to service machinery overseas.
Established in 1970s, Zhengzhou Defy has growned into one leading drilling rig manufacturer in China, specilizing in drilling rig technology R&D, manufacturing, etc. We spark on conventional rotary drilling rig, new pneumatic drilling rig and are inventing another drilling rig with performance same as pneumatic one, but with much less investment for users.
Our drilling rigs are widely used for water well drilling, irrigation well drilling, geothermal hole drilling, mining blast hole drilling, construction pile work drilling, air-conditioner hole drilling, etc.
DEFY Brand drilling rigs have been widely exported to Chile, Russia, Australia, Malaysia, Kenya, Tansanzia, Zambia, South America, Peru, Zimbabwe, etc.
Every customer is very welcomed to our factory for visiting driling rig, talking onsite and details. ^_^
How to choose a suitable drilling rig?
1. What will you do using drilling rig?
---For water project, core sample, soil test, mineral prospect or others?
2. The depth you need?
---For water well, generally, 30-200m. For core sample, 30-600m, even more.
3. Any requirements to hole diameter?
---Within a certain range, the smaller diameter, the deeper depth. Mathematically, we call it inversely proportional.
4. Working land condition?
A. soil, sand, weathered land, etc. soft stratum.
B. soil, sand, soft and hard rock stratum, mixed one.
C. Mainly hard rock, like granite.
Based on the above information, DEFY experienced engineers will help you recommend suitable machine and price. If you have special demands, please tell us ahead.
Please contact Jasmine for more details and Best Offer!!
Jasmine Sun
Office Tel: 86-371-55819257
Mobile phone:86-18317714647
Skype: live:2778506074
Website:
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