China High Air Pressure HD80A DTH Hammer Without Foot Valve Mining Machine Rock Drilling Tools, Find details about China High Air Pressure, Rock Drilling from High Air Pressure HD80A DTH Hammer Without Foot Valve Mining Machine Rock Drilling Tools
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 |