Fa'ailoaina o le PS4 Series End Suction Centrifugal Pump, o se fa'afouga fa'afou o le pamu centrifugal tulaga maualuga PS. Faatasi ai ma lona faʻatinoga sili atu ona mamana ma le tumau e le mafaatusalia, o lenei pamu ua faʻamalosia e sili atu i faʻamoemoega uma ma faʻafetaui manaoga eseese o tagata faʻaoga i pisinisi eseese.