Product Description DFQ-300 rock borehole used DTH 300m drilling rig

DFQ-300 is very hot in water well sector drilling industries. Specially in African and South American countries which have many hard stones. For this model, it's equipped with DTH hammer and bits, very good at rock drilling.

Zhengzhou Defy Mechanical & Electrical Equipment Co., Ltd. is a professional manufacturer of drilling rig equipment. Welcome to visit us!



Brief introduction of DFQ-300 300m drilling rig:
1, DFQ series drilling rig used with DTH hammer and air compressor.
2, Suitable for drilling water wells, agricultural irrigation well, geothermal air-conditioning hole and other uses, especially for water engineering in mountainous and rock areas.
3, It's crawler mounted.
4, Good performance for drilling hard rocks, gravel, pebble stratum , DFQ series can work efficiently under all kinds of geological structure.

Advantages of DFQ-300 300m drilling rig
1. Adopts the new type hydraulic technology, equipped with two rotary hydraulic motors with high torque, Max. torque comes to 7200 N · m, spindle rotating speed is between 45~125rpm, 6 grades to switch.

2.Two large caliber high pressure cylinders, 12 tons lifting power, ensure the drill rig have reliable propulsion and lifting force when drilling deep holes.

3.Multi-cylinder water-cooled engine by Famous brand provide abundant power for the hydraulic system.

4.Six rotation and propulsion speeds can meet the demand of different soil and rock drilling.

5.Centralized control of the hydraulic control console, convenient to operate. Unique pump group design, easy maintenance, save the maintenance cost

6.Crawler chassis, strong cross-country ability and easy to transport.

Technical Parameter

DFQ-300 300m drilling rig
Item	Unit	Specification
Drilling hole diameter	mm	115~300
Drilling depth(m)	m	300
Work pressure	(MPa)	1.05~2.46
Air consumption	(m³/min)	10~30
Lifting force	(t)	12.5
Rotation torque	(Nm)	3600/7200
Drill rod caliber(mm)	mm	76/89
Drill rod length(m)	m	3
Dimension(mm)	mm	5200*2080*2760
Total weight	(Kg)	7500

DTH bits and hammer Working site Packing & Delivery

Packaging
Size	5200*2080*2760 mm
Weight	7.5t
Packaging Details	1, Drilling Rig main machine in container 2, accessories in Wooden Case or according to your requirement

Customer feedback Contact
Nora
Tel : +86-371-55819257
Fax: +86-371-66770722
Email: nora(at)zzdefy.cn
Cellphone/whatsapp/Wechat: +8615286806707