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Help CenterDFU-300 300m Depth Underground Drilling Equipment
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DFU-300 300m depth underground drilling equipment is mainly applied in the fields of coal, geology, metallurgy and engineering. It is used for drilling large dia. gas suction hole in mines, gallery as well as coal mine, water injection hole, and big dia. horizontal hole. It can meet the big dia. roller drilling, hard tungsten-carbide drilling and percussive-rotary drilling.
Main Features of DFU-300 300m depth underground drilling equipment
1. It is separate in structure, small in size, light in weight, flexible in movement and convenient in operation.
2. The hydraulic pump is driven by explosion-proof electric motor through operating system, then the hydraulic pump enforces hydraulic motor to make drill head rotate, and at the same time, the movement of drill head is realized by oil cylinder & chain double speed mechanism.
3. Hydraulic chuck can satisfy the function of shackles and power-off protection.
4. The sliding and extending & retracting function of the mast makes it convenient for the bottom of mast to touches the ground or platform, thus the drill rig will be more stable.
5. The swinging arm and mast can do luffing movement, which satisfy the request of multi-angle drilling.
6. The range of spindle rotating speed is wide and the torque is large.
One year quality warranty.
Training: operation manual and DVD operation video, overseas installation is also available
Spare parts are available in our factory at cost price for former customers
24 hour on-line guidance for operation and maintenance
We get BV certificate every year.
Here is the transaction history for the latest year. You can check it in detail at our homepage.
You can put trade assurance order online.
1. What kind of projects you will work for?
Water well, Borehole, Exploration coring, Foundation Piling, Blast holes, Geothermal heat project or others?
2. Max drilling depth you want.
100m, 200m, 400m, 600m, or other depth.
3. The Min and Max borehole diameter you need.
Like Max 400mm, Min 75mm.
4. Geological condition of the working site if you know about it.
Soft ground like soil, mud, sand.
Hard ground like hard rocks .
Or mixed.
More details you provided, our engineer can suggest the most suitable model for you.
Zhengzhou Defy Mechanical & Electrical Equipment CO., Ltd. locates in High-tech zone of Zhengzhou City, China. Our factory dedicates to manufacturing drilling rigs since 1970s, more than 40 years experience of production and development make our product quality rank in the leading position at home and abroad.
Our drilling rigs are widely applicable for water well, farm irrigation, geological prospecting, small pile foundation, geothermal air-conditioner and so on, capable and functional. Our professional engineers and sales team, offering technical support and useful advices whenever you need.
Please feel free to contact with us if you have any questions about our products.
Leo Cheng
leo(at)
+86 185 3008 1962 (cellphone/whatsapp)
+86 371 5581 9257 (TEL)
defy018 (skype)
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