1.Brief introductions of KQZ-200D pneumatic-electric DTH drilling rig

KQZ-200D pneumatic-electric DTH drilling rig is suitable for drilling and geothermal drilling. It has many advantages, such as large diameter, deep drilling, fast footage, flexible movement and wide application area.

2.Specifications of KQZ-200D pneumatic-electric DTH drilling rig

KQZ-200D pneumatic-electric DTH drilling rig

Borehole diameter mm 100-254

Borehole depth m 200

Drilling angle ° 45-90

One-time feed stroke mm 1500

Motor power kw 11

Diesel engine power hp 8.5

Rotating speed of drilling tools rpm 52

Air pressure mpa 1.45-2.5

Air consumption l/min 15-27

Total weight kg 650