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Diaphragm Pumps
Diaphragm pumps are versatile, positive-displacement pumps engineered for reliable performance in spraying, fluid transfer and agricultural applications where consistent flow and chemical resistance matter most. Designed to handle a wide range of liquids, including herbicides, pesticides, water and fertilizers, these pumps deliver self-priming operation and robust pressure control that keeps your sprayer or transfer system working efficiently and dependably.
At Farmer Bob’s, you’ll find 12-volt and 115-volt diaphragm pump options from trusted brands built to withstand demanding conditions and frequent use. Whether you’re outfitting a boom sprayer, replacing worn parts or upgrading a sprayer system for better performance, our selection includes pumps with a variety of flow rates, pressure ratings and port configurations to match your application and equipment needs.