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PROMOTION!! DFQ-400 400m Crawler Mounted Water Well Drilling Rig
1. 400m drill depth,105-400mm hole diameter
2. DTH drill rools,Fastest drilling rig for Rocky areas
3. Top drive,Fully Hydraulic drilling
4. Can work with both Mud pump and Air compressor
5. Crawler mounted, easy movable
DescriptionParameter
I General:

1: Can DFQ-400 drill through hard rock or not?

It works with air compressor, using DTH drilling method, fast drilling speed in hard rock,stone especially mountain areas.
 

2: Can it be used for geothermal air conditioning project?

Of course, DFQ-400 is designed for water well, if you buy it for geothermal air conditioning, it will be your best choice. It can be used for blast hole drilling, too.
 

3: How about the engine, diesel or electric?

It is powered by 108kw diesel engine, powerful.
 

4: Could you train our workers?

DFQ-400 is easy to be operated, after you buy our product, detailed operation instructions with video will be offered. We will be responsible all the time. Also we can talk about sending engineers to help you.
 

II DFQ-400 Introduction and Advantages:

1. 400m drill depth,105-400mm hole diameter

2. DTH drill rools,Fastest drilling rig for Rocky areas

3. Top drive,Fully Hydraulic drilling

4. DFQ-400 Can work with both Mud pump and Air compressor,strong adaptability

5. Crawler mounted, easy movable
 

Defy service

1. As for your demands, ngineers will help you do a professional packing list for free.

2. Factory cost and good quality accessories.

3. 12 months machine warranty

4. Free factory train and 7*24 hours online solution.

Technical Parameters
 

No Item Parameter
1 Drilling caliber Φ105-400mm
2 Max. drilling depth 400m
3 Diameter of drill pipe Φ89、Φ102
4 Unit Length of drill pipe 3000mm
5 Work pressure 1.05-3.0 MPa
6 Gas consumption 10~36 m³/min
7 Impactor DHD360\380
8 Apply to rock hardness f=6-12
9 Power 108Kw/2000rpm,about 150 PS
10 Gradeability 25°
11 Walking speed 0~2.5 Km/h
12 Ground clearance 280mm
13 Leg cylinder stroke 800 mm(1500mm)
14 Promotion oil cylinder stroke 2200mm
15 System pressure 20MPa
16 Propulsion 7.0 tonf
17 Lifting force 15 tonf 3 grades
18 Speed of spindle Fast  95/115/135  rpm
Slow  52/60/65 rpm
19 Rotary torque 4000/8000 N.m
20 Weight 8800 Kg
21 Dimension 4550×2100×2950 mm
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