China SD60 DTH Hammer with Foot Valve Mining Machine Water Well Drilling Tools Rock Drilling Tools High Air Pressure, Find details about China High Air Pressure, Rock Drilling from SD60 DTH Hammer with Foot Valve Mining Machine Water Well Drilling Tools Rock Drilling Tools High Air Pressure
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1261mm | 100kgs | 148mm | SD60 | 155-190MM | 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 | ||||
1.0-2.5Mpa | 23Hz | 20-30r/min | 10m3/min | 20m3/min | 28.5m3/min |