Middle-Low Air Pressure DTH Hammer without foot valve | Item Description | Weight(kg) | Part No. |
1 | Top Sub | 2.60 | MBR2A01 |
2 | Check Valve | 0.10 | MBR2A02 |
3 | Spring | 0.05 | MBR2A03 |
4 | Air Distributor | 0.60 | MBR2A04 |
5 | Internal Cylinder | 0.80 | MBR2A05 |
6 | Piston | 3.80 | MBR2A06 |
7 | External Cylinder | 4.50 | MBR2A07 |
8 | Guided Sleeve | 0.60 | MBR2A08 |
9 | "O"Ring of Stop Ring | 0.01 | MBR2A09 |
10 | Stop Ring | 0.10 | MBR2A10 |
11 | Drive Chuck | 1.20 | MBR2A11 |
12 | Drill Bit | MBR2A12 |
Length(Less bit) | Weight(Less Bit) | External Diameter | Bit Shank | Hole Range | Connection | ||
880mm | 14.50kg | 62mm | BR2 | 70-90mm | RD50 BOX | ||
Working Pressure | Impact Rate At 1.4Mpa | Recommended Rotation Speed | Air Consumption | 145-350PSI | |||
1.0-2.5Mpa | 28HZ | 25-40 r/min | 200-600CFM |