SP680
SP680 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.
SP680 Structure
| Ref. | Parts | Weigh | Part No. | Ref. | Parts | Weight | Part No. |
|---|---|---|---|---|---|---|---|
| 01 | Top Sub | 21.5 Kg | 01-SP680-01 | 09 | Piston Case | 33Kg | 01-SP680-09 |
| 02 | “O”Ring | 0.01 Kg | 01-SP680-02 | 10 | Guided Sleeve | 5.5 Kg | 01-SP680-10 |
| 03 | Disc Spring | 0.34 Kg | 01-SP680-03 | 11 | Check Ring | 0.02 Kg | 01-SP680-11 |
| 04 | Check Valve | 0.56 Kg | 01-SP680-04 | 12 | Retainer Ring | 1Kg | 01-SP680-12 |
| 05 | Spring | 0.05 Kg | 01-SP680-05 | 13 | “0*Ring | 0.01 Kg | 01-SP680-13 |
| 06 | Valve Seat | 4.3 Kg | 01-SP680-06 | 14 | Drive Chuck | 7Kg | 01-SP680-14 |
| 07 | Inner Cylinder | 4.2 Kg | 01-SP680-07 | 15 | Drill Bit | 01-SP680-15 | |
| 08 | Piston | 23 Kg | 01-SP680-08 |
Technical Parameter
| Length(Less bit) | Weight | Outer Diameter | Connection Thread | Bit Shank | Hole Range |
|---|---|---|---|---|---|
| 1131mm | 100.5Kg | φ148mm | API3 1/2″REG | SP680 | φ158-φ203mm |
| Work Pressure | Recommended Rotation Speed | Air Consumption | |||
| 1.8Mpa | 2.4Mpa | ||||
| 1.2-2.7 Mpa | 30-60 r/min | 16m³/min | 23m³/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