China Ql60A DTH Hammer Without Foot Valve Mining Machinery Water Well Drilling Tools Rock Drilling Tools, Find details about China High Air Pressure, Rock Drilling from Ql60A DTH Hammer Without Foot Valve Mining Machinery Water Well Drilling Tools Rock Drilling Tools
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1183mm | 90kgs | 148mm | QL60 | 155-203MM | API 3 1/2" Reg | |
Working pressure | Impact rate at 1.7Mpa | Recommended rotation speed | Air consumption | |||
1.0 Mpa | 1.8 Mpa | 2.4 Mpa | ||||
1.0-3.0Mpa | 25Hz | 20-30r/min | 9m3/min | 18m3/min | 26m3/min |