MoDoS - Dosing tasks from lab to fab

The Modular Dosing System MoDoS® is a tailor-made pump system for continuous production process in fine chemical and pharmaceutical production.

MoDoS is synonym for a design concept and a component kit, forming the base for the development of a customized pump module. We provide detailed advice on the selection and integration of components.

You will receive a tested and ready-to-use dosing system in a stable frame. The selection of sensors for flow, pressure or temperature is carried out on the process parameters. We use flow sensors from different manufacturers, based on various thermal principles or on the Coriolis principle.

MoDoS is a complete solution for process-safe pumping in the low-volume range, suitable for vaccines, APIs, acids, alkalis, catalysts, ammonia and much more.


  • Ready-to-use unit
    fully equipped and assembled system in a rigid framework
  • Modular system of components
    individually equipped with micro annular gear pump, filters, sensors (e.g. flow, pressure, temperature) valves, fluid connections
  • Chemical resistant materials
    material combinations from stainless steel / hard metal to alloy C22 / ceramics, optional titanium
  • High process stability
    mass or volume flow controlled micro annular gear pumps
  • Standard fluidic interfaces
    screw-in fittings or aseptic µ-Clamp
  • Local controller
    integrated controller allows stand-alone mode as well as inte-gration into external process control systems
  • Open design
    easy access and exchange of all components


  • Micro process technology
  • Flow chemistry
  • Fine chemistry
  • Pharmaceutical production
  • Miniplant technology
  • Dosing and filling

Typical Liquids

  • Acids and bases
  • Organometallic compounds, butyl lithium
  • Catalysts
  • Ammonia, pure or in solution
  • Pharmaceutical ingredients and vaccines
  • Solutions of radioactive isotopes
  • Organic reagents


  • Micro annular gear pump
  • Sensors for flow, pressure, temperature
  • Display Control
  • Filter
  • Valves, shut-off elements
  • Screw-in fittings, adapters
  • Hoses, pipes
  • Frames

Versions and examples

MoDoS Lab

mzr-pump, filter, flow meter; L x W x H: 35 x 27 x 27 cm

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MoDoS Pilot

mzr-pump, redundant filters, flow meter; L x W x H: 45 x 45 x 45 cm

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MoDoS Pro

mzr-pump, redundant filters, flow meter, control unit box; L x W x H: 57 x 57 x 57 cm

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MoDoS Slim

mzr-pump, filter, flow meter; L x W x H: 25 x 30 x 45 cm

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Technical data

  • Pumps
    Micro annular gear pumps of hermetic inert and high performance series for volume flows from 0.003 to 1152 ml/min at differential pressures up to 80 bar *
  • Filter
    Filters in stainless steel, alloy C22, PTFE or glass *
  • Mass flow controllers
    Measurement principal Coriolis, thermic, ultra sonic *
  • Fluid connection
    1/4"–28 UNF, 1/8" NPT, 3/8" NPT *
  • Liquid temperature range
    -20 … +150 °C (-4 ... 302 °F) *
  • Viscosity range
    0.3 … 1,000 * mPas
  • Wetted parts
    Material combinations: stainless steel / hard metal, alloy C22 / ceramics, optional titanium *
  • Power supply
    24 V DC, 240 V AC, 400 V AC *
  • Display
    Mass flow *
  • Controller and interfaces
    Mass flow control with touch display, potentiometer, 0–10 V, 0(4)-20 mA, RS-232, CAN-Bus *
  • Remarks
    * depending on the components selected
  • Notice
    Even if single parameters are within the indicated performance range of technical data, certain parameter combinations may not be achievable. Single parameters may exceed their indicated performance range under adequate circumstances. For detailed evaluation please contact HNP Mikrosysteme. Actual performance may vary. Specifications are subject to change without notice. 
    This document is subject to change without notice.

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