Dminingwell Kqd120 High Quality Small DTH Rock Drilling Rig for Borehole JiangSu Weixiangrui Intelligent Equipment Technology Co., Ltd. Base Info Description ModelQD70QD100QD120Drilling Diameter (mm)90-12090-13090-130Apply Rock≥20≥20≥20Drilling Depth (m)15≥25≥30-40Drilling Rotate Speed (r/min)110110110Working Air Pressure (Mpa)0.5-0.70.5-1.00.5-1.0Air Consumption (m3/min)4610Cylinder Diameter (mm)90140140Propulsion Stroke (mm)107010701070Max Propelled Force (N)800096009600Electric Motor Power (KW)3444-5.5Electric Motor Voltage (V)380V three-phase 50HzRated Speed (r/min)144014401440Drilling Rod OD (mm)4250-6060Drilling Rod Length (mm)102510251025Dimension (mm)1740*260*4202230*380*5502230*380*550Weight (kg)280470460320450480 Pre:400m Truck Mounted Deep Borehole Water Well Drilling Rig Machine for Sale Next:Dminingwell China Portable Crawler Mounted Mobile Water Well Drilling Rig Machine Depth 180m Mwx180