China DTH Hammer HD40A Without Foot Valve Mining Machinery Water Well Drilling Tools Rock Drilling Machine High Air Pressure, Find details about China High Air Pressure, Rock Drilling from DTH Hammer HD40A Without Foot Valve Mining Machinery Water Well Drilling Tools Rock Drilling Machine High Air Pressure
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1011mm | 43.2kgs | 99mm | HD40 | 110-135MM | API 2 3/8" 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 | 30Hz | 22-35r/min | 6m3/min | 10m3/min | 15m3/min |