SP1880
SP1880 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.
SP1880 Structure
| Ref. | Parts | Weight | Part No. | Ref. | Parts | Weight | Part No. |
|---|---|---|---|---|---|---|---|
| 01 | Top Sub | 361.5Kg | 01-SP1880-01 | 09 | Piston Case | 493 Kg | 01-SP1880-09 |
| 02 | Adjuster Shim | 4 Kg | 01-SP1880-02 | 10 | Guided Sleeve | 69 Kg | 01-SP1880-10 |
| 03 | 0Ring | 0.1 Kg | 01-SP1880-03 | 11 | Check Ring | 1 Kg | 01-SP1880-11 |
| 04 | Check Valve | 3.4 Kg | 01-SP1880-04 | 12 | Retainer Ring | 14.8 Kg | 01-SP1880-12 |
| 05 | Spring | 0.4 Kg | 01-SP1880-05 | 13 | “O”Ring | 0.08 Kg | 01-SP1880-13 |
| 06 | Valve Seat | 76 Kg | 01-SP1880-06 | 14 | Adjuster Shim | 4 Kg | 01-SP1880-14 |
| 07 | Inner Cylinder | 54.5 Kg | 01-SP1880-07 | 15 | Drive Chuck | 134 Kg | 01-SP1880-15 |
| 08 | Piston | 366 Kg | 01-SP1880-08 | 16 | Drill Bit | 01-SP1880-16 |
Technical Parameter
| Length(Less bit） | Weight | Outer Diameter | Connection Thread | Bit Shank | Hole Range |
|---|---|---|---|---|---|
| 1957mm | 1582Kg | φ445mm | API8 5/8″REG | SP1880 | φ500-φ680mm |
| Work Pressure | Recommended Rotation Speed | Air Consumption | |||
| 1.8Mpa | 2.4Mpa | ||||
| 1.5-3.3 Mpa | 20-40 r/min | 73m³/min | 97m³/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