SD8
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SD8 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.
The Series DTH Hammer designed by international advanced high-tech theory, which make the hammer has beeter engergy transduction, faster working speed and less air comsuption.
Use best raw materials with advanced production process make the hammers have much stable working performance, long life and easier to use, to assemble and repair.
SD8 Structure
| Ref. | Parts | Weight | Part No. | Ref. | Parts | Weight | Part No. |
|---|---|---|---|---|---|---|---|
| 01 | Top Sub | 42 Kg | 01-SD8-01 | 09 | Piston | 43.5 Kg | 01-SD8-09 |
| 02 | Adjuster Shim | 0.2 Kg | 01-SD8-02 | 10 | Piston Case | 64.5 Kg | 01-SD8-10 |
| 03 | “O”Ring | 0.02 Kg | 01-SD8-03 | 11 | Retainer Ring | 1.25 Kg | 01-SD8-11 |
| 04 | Check Valve | 1.3 Kg | 01-SD8-04 | 12 | “O”Ring | 0.02 Kg | 01-SD8-12 |
| 05 | Spring | 0.09 Kg | 01-SD8-05 | 13 | Guided Sleeve | 3.35 Kg | 01-SD8-13 |
| 06 | Rubber Buffer | 0.4 Kg | 01-SD8-06 | 14 | Drive Chuckk | 16 Kg | 01-SD8-14 |
| 07 | Valve Seat | 12.7 Kg | 01-SD8-07 | 15 | Drill Bit | 01-SD8-15 | |
| 08 | Inner Cylinder | 9.1 Kg | 01-SD8-08 |
Technical Parameter
| Length(Less bit) | Weight | Outer Diameter | Connection Thread | Bit Shank | Hole Range |
|---|---|---|---|---|---|
| 1463mm | 194Kg | φ180mm | API4 1/2″REG | SD8 | φ195-φ254mm |
| Work Pressure | Recommended rotation speed | Air Consumption | |||
| 1.8Mpa | 2.4Mpa | ||||
| 1.5-3.3 Mpa | 30-60r/min | 26m³/min | 34m³/min | ||
Contact us
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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