SP1280
SP1280 DTH Hammer
Our company’s uniquely designed high air pressure DTH hammer, which operates without a foot-valve, stands as one of the most advanced designs globally.
- Our bit's innovative no-foot-valve design prevents issues related to foot valve breakage and thermal expansion.
- Enjoy reduced energy consumption and increased impact frequency, resulting in drilling speeds 15%-30% faster than traditional foot valve models.
- Featuring fewer components, our streamlined design ensures each part is heat-treated for optimal performance.
- Designed for longevity, our DTH hammer is not only more durable but also simpler to repair.
SP1280 Structure
| Ref. | Parts | Weight | Part No. | Ref. | Parts | Weight | Part No. |
|---|---|---|---|---|---|---|---|
| 01 | Top Sub | 126 Kg | 01-SP1280-01 | 09 | Piston Case | 185.4 Kg | 01-SP1280-09 |
| 02 | Adjuster Shim | 1.2 Kg | 01-SP1280-02 | 10 | Guided Sleeve | 19 Kg | 01-SP1280-10 |
| 03 | “0”Ring | 0.03 Kg | 01-SP1280-03 | 11 | Check Ring | 0.25 Kg | 01-SP1280-11 |
| 04 | Check Valve | 1.5 Kg | 01-SP1280-04 | 12 | Retainer Ring | 4.5 Kg | 01-SP1280-12 |
| 05 | Sprin | 0.2 Kg | 01-SP1280-05 | 13 | “O”Ring | 0.03 Kg | 01-SP1280-13 |
| 06 | Valve Seat | 18.5 Kg | 01-SP1280-06 | 14 | Adjuster Shim | 1.2 Kg | 01-SP1280-14 |
| 07 | Inner Cylinder | 22 Kg | 01-SP1280-07 | 15 | Drive Chuck | 42.5 Kg | 01-SP1280-15 |
| 08 | Piston | 107 Kg | 01-SP1280-08 | 16 | Drill Bit | 01-SP1280-16 |
Technical Parameter
| Length(Less bit) | Weight | Outer Diameter | Connection Thread | Bit Shank | Hole Range |
|---|---|---|---|---|---|
| 1630mm | 530Kg | φ275mm | API6 5/8″REG | SP1280 | φ295-φ400mm |
| Work Pressure | Recommended Rotation Speed | Air Consumption | |||
| 1.8Mpa | 2.4Mpa | ||||
| 1.5-3.3 Mpa | 30~55 r/min | 45m³/min | 68m³/min | ||
Contact us
Request A Quote
Welcome to contact us at any time to get the latest product information and quotations.
Email address
info@rockdrillmaster.com
sales@rockdrillmaster.com
Phone numbers
Mobile : +86 188 2419 8826
Our location
Pingjiang Industrial Park, Yueyang,
Hunan Province, China