Developed with the author of Pump Characteristics and Applications, the online “Pump Types Guide” provides the key features, recommended fluid, advantages and ranges for flow rates, total head, and horsepower for 40 centrifugal and positive displacement pumps. Search engine PumpScout.com provides free quotes from more than 150 companies including Gorman-Rupp, Blackmer, AMT, Griswold, ABS, and Wilden.