Zimapanga chipinda chopopera chokhala ndi chitsamba chapakhosi ndi choyikapo mbale choyikirapo kotero kuti slurry amatsuka.Pamene dera la mtanda likuwonjezeka, volute imachepetsa kuthamanga kwa madzi ndikuwonjezera kuthamanga kwa madzi.Cholinga chachikulu cha liner ya volute ndikuthandizira kusanja kuthamanga kwa hydraulic pa shaft ya slurry pump.