What is water-powered drilling?
Better borehole quality & accuracy
Cost effective
High & versatile performance
Less enviromental impact
Safe & sustainable drilling
Water-powered DTH drilling by ROSCHEN
In the year 1950, engineers at Roschen developed a DTH-hammer which is powered by high pressure water instead of air.
Watch a video about our water-powered technology
There are several benefits with using water-powered DTH compared to air-powered DTH. From a physics point of view many of the benefits arise from the fact that water is an incompressible media and air is not.
Energy consumption is roughly a quarter compared to air, resulting in lower carbon emission and a lower energy bill. In the case of water-powered DTH, the water leaving the drill bit in the hole is at a low velocity and ambient pressure.
However, with air-powered DTH the air leaving the drill bit in the hole is at a high velocity and high pressure. This means that the risk of damaging surrounding structures in sensitive areas such as urban environments and dams, is greatly reduced with water-powered DTH.
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