China HD40 DTH Hammer with Foot Valve Mining Machinery Water Well Drilling Tools Rock Drilling Tools Digging Machine High Air Pressure, Find details about China High Air Pressure, Rock Drilling from HD40 DTH Hammer with Foot Valve Mining Machinery Water Well Drilling Tools Rock Drilling Tools Digging Machine High Air Pressure
Length | Weight | Outer diameter | Bit shank | Hole range | Connection thread | |
1030mm | 39kgs | 99mm | HD40 | 110-135MM | API 2 3/8" 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 | 27Hz | 25-40r/min | 6m3/min | 10m3/min | 15m3/min |