Gear Pumps Pulsation Damper / Straight, Spur, Internal

Pulsation Damper choice for Gear pumps of the Straight, Spur, and Internal Gear, types. Simple external Gear Pumps are usually for high rpm producing high frequency Spur - or "progressive" gears are used for higher viscosity and lower RPM, producing less pulsation. "Internal Gears" are usually run even slower and produce small volumetric pulses.