Clients Feedbacks ZhengZhou Defy water well drilling machines: Technical Parameter

Water well usage used crawler drilling machine DFQ-300A
No.	Item		Parameter
1	Drilling caliber		φ115-273
2	Max. drilling depth		300m
3	Diameter of drill pipe		Φ76/89
4	Unit Length of drill pipe		3000mm
5	Work pressure		1.2-2.6 MPa
6	Gas consumption		16-30 m³/min
7	Impacter		DHD3600
8	Diesel engine		56Kw/2000rpm
9	Electric motor		45Kw/1480rpm
10	Gradeability		21°
11	Walking speed		0~2.2 Km/h
12	Ground clearance		265mm
13	Leg cylinder stroke		600 mm(1500mm)
14	Promotion oil cylinder stroke		2200mm
15	System pressure		20MPa
16	Propulsion		4.5 tonf
17	Lifting force		8.0 tonf
18	Fast lift		18m/min
19	Fast propel		35m/min
20	Hydraulic winch lift		800kg
21	Rotary torque		3300-4000 N.m
22	Speed of spindle		Fast 0-105 rpm
			Slow 0-65 rpm
23	Weight		6500 Kg
24	Dimension		5400*2100*2300 mm

Advantages 1. High efficient DTH hammer drilling. Air compressor offers air supply and washing slags. Different hammer and DTH bit are equipped with different drilling diameter.

2. Self-propelled crawler structure with easy mobility. Crawler is steel type with long service life and wide applications.

3. Hydraulic system is equipped with independent hydraulic oil heat radiator, ensuring smooth working in hot weather.

4. Hoist can lift 0.8t drill tools and accessories.

5. Four high standing legs can balance drill rig quickly, and finish loading work.

6. Drill rod elevator and hydraulic winch make it safe, convenient and quick to load drill rod, reducing labor force and improving working efficiency.
Contact Me For latest price of our water well usage used crawler drilling machine DFQ-300A, please send me an inquiry. You will receive formal quotation within 24 hours.  Our Company