China Rock Drilling Machine DTH Hammer HD80A Without Foot Valve Mining Machine Digging Machine High Air Pressure, Find details about China High Air Pressure, Rock Drilling from Rock Drilling Machine DTH Hammer HD80A Without Foot Valve Mining Machine Digging Machine High Air Pressure
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1359mm | 175kgs | 185mm | HD80 | 195-254MM | API 4 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 | 22Hz | 15-25r/min | 12m3/min | 22m3/min | 28m3/min |