DARDA stone and concrete Splitting Cylinders are handheld demolition devices. They controllably split material according to the proven Wedge principle, with the use of hydraulic pressure: 400 TONS OF SPLITTING FORCE IN ONE-HAND in an extremely constricted space (from within). Click here for an answer to the question 'What is the Wedge principle?'
Above all the Splitters convince when larger conventional demolition devices are ruled-out because they produce dust, flying debris, vibration, noise and possibly exhaust fumes.
A complete splitting unit consists of one or more Splitters, high and low pressure hoses and also a hydraulic power unit.

After the first split procedure the gap can be further widened with the enlarging counter wedges.
With a few easy hand movements these can be quickly installed in the splitter.
The result of the widening is that reinforcing rods will either be broke or further exposed for easier cutting.

With heavily reinforced concrete, the exceptionally high degree of surface pressure may merely give rise to an oval-shaped hole and/or short unplanned cracks, instead of a clean split.
An effective countermeasure is provided by two large-diameter, heavy gauge pressure shells which are inserted into a 100 mm-diameter core drill-hole.
The splitting force is then transmitted over a larger area, resulting in a precise split.

Contact faces of the wedge and counter wedges must be regularly treated with original DARDA Special Lubricant.
To prevent damage and reduce wear caused by friction.