This powerful ATEX certified submersible mixer (4.0, 9.0 or 15 kW) now offers even more possibilities to achieve optimal gas flow and mixing results in your biogas digester. The fluidically optimized submersible motor Optimix 2G is available with 4 / 9 and 15 kW and different rotational speed of the propeller. Because of the unique SUMA modular design differend motor performances, gears, propeller and mast sizes can be combined for an appropriate biogas agitator for the customer.