China DTH Hammer High Air Pressure HD40A Without Foot Valve Mining Machine Rock Drilling Machine Water Well Drilling, Find details about China High Air Pressure, Rock Drilling from DTH Hammer High Air Pressure HD40A Without Foot Valve Mining Machine Rock Drilling Machine Water Well Drilling
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 |