INDUSTRIAL CLARIFICATION DEVICES

They consist of a column containing a permanent type multilayer filtering bed; a periodic counter-washing is sufficient to eliminate the retained turbidity and restore the filter efficiency. This is automatically performed by the pack of automatic valves installed on the filter-front. The hydraulic unit that controls regeneration consists of 5 butterfly valves controlled by low-voltage driven solenoid valves. The cylinder is made of carbon steel with epoxy resin lining suitable for food use and outer coating; the cylinder has distribution plate with polypropylene diffusers, manholes and control pressure gauges.