Brief Details of Underground Drilling Rig:
1. Model No.: DFU-300
2. Max. Drilling Depth: 300m
3. Drill Rod Diameter: 55mm, 71mm
4. Warranty: One year guarentee excluding wearing parts
5. Certifications: BV,SGS Certificate
6. Applications: water well geological exploration, irrigation well etc.
First of all, do you have an idea of the drilling rig you are
looking for? The following questions will help you to get suitable
drilling machine for your business.
1. What kind of projects you will work for,Water
Piling or others?
2. The Max. depth of drilling you hope to achieve?
3. The Min. and Max. hole diameter you estimate?
4. Condition of the environment, Soft ground like soil,mud,Hard
ground like rocks or Mixed the
soft and hard layers?
The more details of your need are told from you, the better our
engineers are able to recommend you the suitable models.
Product Specifications of DFU-300 Water Well Drilling Rig:
DFU-300 hydraulic underground drill rig 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
tungsten-carbide drilling and percussive-rotary drilling.
1. It is separate in structure, small in size, light in weight,
flexible in movement and convenient in
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
4. The sliding and extending & retracting function of the mast
makes it convenient for the bottom
of mast to touch the ground or platform, thus the drill rig will be more
5. The swinging arm and mast can do luffing movement, which satisfy
the request of
6. The range of spindle rotating speed is wide and the torque is
Parameters of DFU-300 Hydraulic Underground Drilling Rig:
Φ71mm(2.80inch) drill rod
Drill rod spec.
Φ55×1500mm(Φ2.17×59inch) drill rod
Φ71×1500mm(Φ2.80×59inch) drill rod
The swing angle of mast bracket (left & right)
The swing angle of arm (up and down)
YB225M-4(dIICT4)explosion-proof electric motor 45KW (60HP)/1480rpm
Main machine (L*W*H): 2950x950x1850mm
Power unit (L*W*H): 1900x980x132mm
Operation cabinet (L*W*H): 540x360x1080mm
Company Info. and Service
We build the portable water well drilling rigs with nothing but the
best components and materials. We work with experts to help us make
sure the rigs we build have an efficient working system. No matter
what model of drilling rig you choose, you can rest assure that we
have put many hours builing, testing and inspecting your rig.
Drilling Rig Manufacturer DERY Service
1.Professional techinical support pre-sale, sale and after-sale .
2.Your problems can get feedback in 8 hours and soloved in 24
3.Machine can be customized as per your requirement.
Please donot hesitate to contact us if this model is fit for your
business. And you are highly appreciated that if you could tell us
more details of your business, then we can recommend most suitable
model of drilling rig to you.