Verder offers the following pump solutions in the PLATINUM MINING process. Primary flotation . VERDERFLEX VF PUMP: Pumping of thick slurries up to 80% solids Concrete thickener. VERDERFLEX VF PUMP: Pumping of thick slurries up to 80% solids VERDERFLEX DURA PERSITALTIC PUMPS: ± 99% Accurate dosing VERDERMAG CENTRIFUGAL MAGDRIVE PUMP: Chemical transfer ...