China Hjg HD85 DTH Hammer Cop84, DHD380, Find details about China Dth Hammer, Rock Drilling from Hjg HD85 DTH Hammer Cop84, DHD380
Length(exclude bit) | Weight(exclude bit) | External Diameter | Bit Shank | Hole Range | Connection Thread | |
1492 mm | 188.00 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 | 20 Hz | 20-30 rpm | 15 m³/min | 26 m³/min | 34 m³/min |