Finish Thompson SP Series self-priming pumps are offered in a wide range of specifications to suit your wet process. Pumps are ideal for pumping liquids from pits, tanks, railcars, and tanker trucks to bulk storage, process and day tanks, and for other applications too difficult for ordinary centrifugal pumps. Click on the model number or to find out the model needed, use the selector menu to choose from polypropylene or PVDF, the max head and max flow, and the sizes of the suction, discharge and impeller. Or call for free guidance!