Profile: Pump Systems Ltd is a supplier of industrial pumps. Rotamix process mixing system is today?s most cost effective means of mechanical hydraulic mixing, consisting of an engineered arrangement of internal nozzle assemblies fed by an externally-mounted Vaughan chopper pump. With over 700 systems installed, This can be applied in circular, rectangular and oval tanks and basins, as well as other unique process configurations such as egg-shaped digesters, CSO tunnels, pump stations and sludge lagoons.