Since 1913, Maag has been renowned as a supplier of gear pumps of the highest quality that are used today for conveying polymer melts, chemicals and even lubricants. Whether gear pumps, extrusion pumps, transfer pumps, pressure pumps, chemical pumps, industrial pumps, metering pumps – MAAG is a leading manufacturer of gear pumps of all kinds for the polymer, chemical, petrochemical, pharmaceutical and food industries worldwide. Filtration systems for polymer production and processing are the second area of focus.
In its simplest form, the gear pump consists of two equally sized meshing gears that rotate in a housing. The process starts in the pump inlet as the gears un-mesh, creating a void that draws the medium into the pump. From there the rotating gears capture the medium in the spaces between the gear teeth and transport it around the housing and over to the discharge side of the pump. As the gears continue to rotate, the teeth again come into contact, and the re-meshing action pushes the medium, out of the gear teeth and out of the pump housing into the discharge line.
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