In October 2014 Vandezande delivered and installed 3 compact hydropower screws on the river Alm in Austria. This pick and place screw design is provided with a fully enclosed self-supporting steel structure comprising the screw, powertrain and other accessories. The whole construction weighs up to 35 tons. The srew body itself has an outer diameter of 3600 mm and length of 7600 mm. Each screw works at a flow rate of 6500 L / s and delivers net 96 kW electrical power. An optimized design of screw, in- and outflow … ensures high efficiency and low noise emissions.
Some atmospheric pictures: