Below you’ll find various pumps for use in petroleum and other industrial applications, including: fuel transfer, diaphragm, centrifugal, positive displacement & more.Diaphragm pumps are used for pumping hard chemicals and materials. Centrifugal pumps transfer fluids with high efficiency. Positive displacement pumps are used for abrasive, corrosive, shear sensitive, and gas entrapped fluids. Shop popular brands like Fill-Rite, Graco, GPI & Lubeworks.