China Hjg High Air Pressure DTH Hammer Without Footvalve Cop84 DHD380, Find details about China DTH Hammer, Rock Drilling from Hjg High Air Pressure DTH Hammer Without Footvalve Cop84 DHD380
Length(exclude bit) | Weight(exclude bit) | External Diameter | Bit Shank | Hole Range | Connection Thread | |
1359 mm | 175.00 kg | Φ180 mm | Cop84 DHD380 | Φ195mm _ Φ254mm | API 4 1/2'' Reg | |
Working Pressure | Impact rate at 0.5 MPa | Recommended Rotary Speed | Air Consumption | |||
1.0 MPa | 1.8 MPa | 2.4 MPa | ||||
1.0 - 2.5 MPa | 22 Hz | 15-25 rpm | 12 m³/min | 22 m³/min | 28 m³/min |