The Difference Between External vs. Internal Gear Pumps
Selecting a rotary gear pump requires looking beyond basic flow rate and pressure requirements. The internal layout of the gears entirely changes how the pump handles fluid shear, mechanical wear, and high viscosity. We break down the differences between external and internal gear pumps—analyzing their mesh mechanics, tolerances, and optimal applications—to help you select the ideal design for your industrial oil, fuel, or resin transfer lines.
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