SYSBOHR Reverse Circulation Drilling System D 139.7-406 mm
RC system for exploration and specialist foundation drilling with dual-wall rods. Compressed air travels down the outer passage to the DTH hammer; cuttings return through the inner tube. Threaded and hexagonal connections are available, along with flushing heads and adapters for Kelly rigs.
| Technical data | |
|---|---|
| Threaded rods: diameter | 139.7–323.9 mm |
| Threaded rods: working length | 1500–6000 mm |
| Hexagonal rods: diameter | 193.7–406.4 mm |
| Hexagonal rods: working length | 1500–12000 mm |
| Flushing medium | Compressed air |
| Cuttings return | Through the inner pipe to the surface |
Detailed technical information can be found on the manufacturer’s product page.
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