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- Model HP70R - Pneumatic Piercing Tool ...
Model HP70R -Pneumatic Piercing Tool (With Reversible Mode)
The device can be used for the manual installation of small diameter pipes (between 25-50 mm). The reverse gear can be activated by pulling the air supply hose. Efficient drilling is achieved because of the reliable and easy switching between operating modes. Switching to reverse mode doesnt require twisting the cable as it may not be stiff enough and the operation may be imposible to acomplish.
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Advantages:
- Light weight and low air consumption.
- Handy and comfortable to use, especially when the excavation area is limited.
- It is possible to drill holes using a calibrator in the first operation. This mode of operation reduces the cutting speed by about 30%.
- The device seems to be indispensable for municipal works during the installation of telecommunications and electric networks.
Disadvantages:
- It is not recommended in wet soils; in such conditions it is advisable to hammer steel pipes.
- Due to its low power, the HP55R is not suitable for driving steel pipes.
- Due to the movable head, it is not possible to use wideners