Zenit PRO series flow-makers are built in cast iron or stainless steel.
The propellers, of self-cleaning design, are up to 2,100 mm in diameter.
The electric motors are rated from 0.8 to 5.5 kW with 4 or 6 poles; units have planetary reduction gear.
The large propeller rotating at low rpm allows a large mass of water to be kept in motion at low speed.
They are mainly used in oxidation and denitrification tanks and in all installations where the formation of sediment on the bottom of the tank has to be prevented.