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Micro annular gear (‘mzr-’) pumps are characterized by low pulse delivery, minimal dead volume, long service life, small dimensions, inert materials and ease of maintenance.

Beside well-established applications in life sciences, analytical instrumentation and microfluidics, plant engineering and construction, mzr-pumps are used for demanding metering tasks in the field of chemical processing and flow chemistry.

HNP Mikrosysteme also offers the development of OEM pumps, comprehensive application-specific consulting and technical support.

Five individual series of micro annular gear pumps deliver liquid flows ranging from 1 µl/h up to 1152 ml/min, with high pressures of up to 80 bar. 

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