Vertical centrifugal pumps are also referred to as cantilever pumps. They utilize a unique shaft and bearing support configuration that allows the volute to hang in the sump while the bearings are outside of the sump. This style of pump uses no stuffing box to seal the shaft but instead utilizes a "throttle Bushing". A common application for this style of pump is in a parts washer. Irrigation services, water supplies, sewage water in general, clean and not abrasive water.
Vertical centrifugal pumps for deep wells. Multicellular pumps with semi-axial or radial impellers.