NUMA100
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NUMA100 With Foot Valve DTH Hammer
This Series high air pressure DTH hammers working with foot-valve.
- Valveless air distribution enhances reliability.
- The piston's simple design ensures a longer lifespan.
- Achieve faster drilling with more efficient energy transfer, reduced air and oil consumption.
- With fewer internal parts and a simple, heat-treated structure, our design promises durability, minimal failures, and easy maintenance.
- Disassembly is straightforward, thanks to the multi-step threaded connections between the top sub, drive chuck, and external cylinder.
NUMA100 Structure
| Ref. | Parts | Weight | Part No. | Ref. | Parts | Weight | Part No. |
|---|---|---|---|---|---|---|---|
| 01 | Top Sub | 60 kg | 01-NUMA100-01 | 07 | Piston | 71 kg | 01-NUMA100-07 |
| 02 | “O”Ring | 0.03 kg | 01-NUMA100-02 | 08 | Piston Case | 94.5 kg | 01-NUMA100-08 |
| 03 | Check Valve | 1.5 kg | 01-NUMA100-03 | 09 | Retainer Ring | 2.2 kg | 01-NUMA100-09 |
| 04 | Spring | 0.2 kg | 01-NUMA100-04 | 10 | “O”Ring | 0.02 kg | 01-NUMA100-10 |
| 05 | Valve Seatt | 12.8 kg | 01-NUMA100-05 | 11 | Drive Chuckk | 27 kg | 01-NUMA100-11 |
| 06 | Inner Cylinder | 13.5 kg | 01-NUMA100-06 | 12 | Drill Bit | 01-NUMA100-12 |
Technical Parameter
| Length(Less bit) | Weight | Outer Diameter | Connection Thread | Bit Shank | Hole Range |
|---|---|---|---|---|---|
| 1432mm | 283Kg | φ225mm | API51/2″REG | NUMA100 | φ254-φ311mm |
| Work Pressure | Recommended rotation speed | Air Consumption | |||
| 1.8Mpa | 2.4Mpa | ||||
| 1.5-3.3 Mpa | 25～50 r/min | 40m³/min | 60m³/min | ||
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Email address
info@rockdrillmaster.com
sales@rockdrillmaster.com
Phone numbers
Mobile : +86 188 2419 8826
Our location
Pingjiang Industrial Park, Yueyang,
Hunan Province, China