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The modular micro annular gear pumps are suitable for use with light corrosive liquids. When equipped with oxide ceramic bearing components, the pump bodies as well as the rotors can be combined from different materials dependent on the liquid to be conveyed. The rotors are available in a zirconia based ceramic and, alternately in nickel-based tungsten carbide. Alloy C22, stainless steel 316 L, aluminium and PEEK™ form the different options for the wetted pump housing. The pump covers applications from analytical instrumentation to chemistry.

The pumps of the magnetic hermetic series are qualified to handle crystallizing, air or moisture-sensitive liquids because the pump has no shaft seal. This feature is made possible thanks to a liquid-separating cup surrounding the magnetic drive. The compact dimension of the pump is realized using a completely new product design and optimal coordination with an integrated speed controller. The pump can be used in all areas where leak-free operation and long service life as well as low energy consumption are important requirements.