China Ql60A DTH Hammer Mining Machine Without Foot Valve Rock Drilling Machinery High Air Pressure, Find details about China High Air Pressure, Rock Drilling from Ql60A DTH Hammer Mining Machine Without Foot Valve Rock Drilling Machinery High Air Pressure
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 |