Better viewed with: Morrison Axial Flow Pumps Morrison Axial Flow Pumps from 12" to 120" diameters are ideal for applications requiring the movement of large quantities of water, up to approximately 250,000 GPM under low head conditions (under 30 Ft. Head or 13.6 psi).   Morrison Mixed Flow Pumps Morrison Mixed Flow Pumps from 10" to over 84" diameters offer high capacity pumping at heads above Axial Flow ranges, from 25 ft. to 55 ft. Total Head.   Morrison Specialty Pumps At Morrison Pump Company, our design and development resources, engineering expertise, and manufacturing capabilities allow us to provide Engineered Custom Solutions and Specialty Pumps for your pumping application.