Runner mounted usually directly on the generator shaft, without seals, what makes the turbine more simple and it creates compact unit with generator.
Certified for use in drinking water
The turbine casing with internal water distribution (inside double wall of the casing) is patented in Czech Republic under patent No. F03 B 3/16 – Casing of Action Multinozzle Hydro Turbine, patented on 22.4.1996.
The advantages of this design are following:
Simple and compact design
Easy dismantling of the regulating needles during inspection and cleaning of the inside space of the nozzles and casing