DFQ-400A Pneumatic hard stone drilling rig for saleProduct Description
DFQ-400A hard stone drilling rig is a portable, efficient and multifunction crawler mounted drilling rig. It is mainly used in drilling water well, monitoring wells, geothermal projects and other deep holes, especially suitable for the high efficiency required concentrated geothermal projects working.
This machine can drill in various ground conditions with air compressor and DTH hammer drilling . It used full hydraulic controlling for drill tower lifting, drill rod installing and uninstalling, rotary and feeding, standing legs, hoist and moving, greatly reduce labor cost, improving working efficient and project quality.
Max. drilling depth
Diameter of drill pipe
Unit Length of drill pipe
Leg cylinder stroke
Hydraulic winch lift
Speed of spindle
Fast 70-120 rpm
Slow 0-65 rpm
1.Professional techinical support pre-sale, sale and after-sale .
2.Your problems can get feedback in 8 hours and soloved in 24 hours.
3.Machine can be customized as per your requirement.
4.One year quality warranty.
5.Training: operation manual and DVD operation video, overseas installation is also available.
6.Spare parts are available in our factory at cost price for former customers.