RP550 Shock Absorber
With Sandvik RP550 Shock Absorber, your Rotary or Down-The-Hole drilling tools will have longer service life, lower cost per meter and - thanks to the new design features - greatly improved safety.
The shock absorber is an important tool in any drilling operation. By greatly reducing shock and vibration, it saves the drill rigs rotary head to enhance performance and provide a much smoother drilling operation. The revolutionary new design of the Sandvik RP550 Shock Absorber makes it maintenance free and features an entirely new safety coupling which locks the thread connection, making handling much safer than with other shock absorbers.
THE BENEFITS FOR YOU
IMPROVED SAFETY
- Safety coupling for locking connections and eliminating welding
- Full seal with no maintenance that reduces time spent on the work deck
- Floating cushion to dampen vibration and easy uncoupling
- No leaks, giving cleaner operator windows and lowering the risk of damage or injury
- Fewer changes, which reduces the need for manual handling
INCREASED PRODUCTIVITY
- Longer service life
- Smoother drilling with reduction in both shock and vibration
- Vibration measurement and monitoring
COST SAVINGS
- Lower cost per meter
- Greatly reduced maintenance cost
- Extended tool life of the drill rigs rotary head, drill string and bits
- Better overall drilling economy
ASSORTMENT AND SPECIFICATIONS
The assortment and model specifications are found in below table. For more detailed information, please contact your local Sandvik representative.
| MODEL | F40 | F60 | F100 | F150 |
| Rig type | Boom rigs- DR580, SM D65 | DM45, DML, D45, D55 | PV271, DR412, PV275, MD6250, 6310 | PV351,311, DR416, MD6640, P&H120 |
| Application | DTH | Rotary/DTH | Rotary/DTH | Rotary/DTH |
| Hole size (inch) | 3-6" | 4-8" | 6-12" | 10-16" |
| Drill rig pulldown capacity | 40 000 | 60 000 | 100 000 | 150 000 |
| SA OD (inch) | 9 ¼" | 10 ¾" | 15" | 20" |
| Length extended (inch) | 15" | 17 ½" | 24" (+7" for safety saver sub) |
28" (+7" for safety saver sub) |
| Pin/box | 3 ½" API reg | 4" API IF | 6 ⅝" API reg | 7 ⅝" API reg |
| Safety coupling pin/box | No | Select models | Yes | Yes |