... operations. 3, Compact in structure. All the drill, water pump and diesel engine installed on one base frame result in ... mm)φ60,φ73,φ89,φ95,φ133Thru-hole diameter of power headφ35,φ60,φ81,φ120The size of the frame ... impactorMedium wind pressure,High wind pressureLifting speed of power head (m/s)0.25 0.15Lifting capacity ... )55.4 94.55Pressure capacity(kN)0-15Speed of power head(r/min)Group A (corotation 13,22,48 ...