China Ql60 DTH Hammer with Foot Valve Digging Mahchine Water Well Drilling Tools High Air Pressure, Find details about China High Air Pressure, Rock Drilling from Ql60 DTH Hammer with Foot Valve Digging Mahchine Water Well Drilling Tools High Air Pressure
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1212mm | 100kgs | 148mm | QL60 | 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 |