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Gear Pump Basics

By Michael Coburn and Geoff VanLeeuwen |

The versatile nature of gear-pump technology allows operators to handle multiple fluids in multiple applications Pump technology can be traced as far back as the B.C. era, when ancient Egyptians used a shadoof to move water from one source (in this instance, wells) to another. While basic in nature, this set the stage for others to follow, such as the ancient Greeks, who developed the first concept for a reciprocating pump, to Nicolas Grollier de Serviere, a Frenchman who created the early design for a gear pump near the back end of the 1500s. Pump technology has substantially evolved since those times and is now woven into the fabric of everyday life. Pumps can be found in a range of applications, such as tank trucks, ships, trains, manufacturing plants, storage tanks and bulk storage facilities, to name just a few. While water was one of the first liquids to be moved via pump, the technology has evolved to handle many other fluids. Gear pumps, for example, are designed to move an expansive range of critical commodities, including crude petroleum, biofuels, refined fuels, chemicals, solvents and food-grade materials. While many pumping technologies have been developed and optimized throughout history, the gear pump stands out…
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