Springer Pumps, LLC offers Gorman Rupp and American Machine self-priming diaphragm pumps. Gorman Rupp pumps deliver up to 130 GPM, they have port sizes ranging from 2" to 4", they are self-priming to 25 ft, and they have solids handling capabilities to 2 1/4" diameter. American Machine pumps deliver up to 90 GPM, maximum temperatures up to 180°F, they can handle 1 5/8" diameter solids, and they have 2" to 3" NPT suction/discharge sizes. These pumps are constructed from cast aluminum, cast iron, polyurethane, and thermoplastic materials.

American Machine & Tool co. offers self-priming diaphragm pumps. Pumps deliver up to 88 GPM, they are self-priming up to 20 ft, they allow up to 11 PSI, they have 2-3" port sizes, and horsepower ratings up to 5.5 HP. Pumps are constructed from polyurethane, thermoplastic rubber, and cast aluminum materials.