China DTH Hammer HD60A High Air Pressure Without Foot Valve Rock Digging Machine Mining Machinery Water Well, Find details about China High Air Pressure, Rock Drilling from DTH Hammer HD60A High Air Pressure Without Foot Valve Rock Digging Machine Mining Machinery Water Well
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1238mm | 98kgs | 148mm | HD60 | 155-203MM | 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 | ||||
1.0-3.0Mpa | 25Hz | 20-30r/min | 9m3/min | 18m3/min | 26m3/min |