HNPM mzr-11558

Max Capacity: 1152 ml/min

Max Pressure: 60 bar

Max Viscosity: 1000 mPas

Temperature Range: -20 to +100 °C 

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HNP Mikrosysteme Micro Annular Gear Pump Hermetically Inert Series HNPM mzr-11558 is ideal for pumping small amounts of corrosive media in flow technology, microreaction technology, mini plant technology. 

HNP Mikrosysteme's mzr-11558 micro annular gear pump of the hermetic and chemically inert series is, considering its almost universal suitability for aggressive and corrosive media, a revolution in the pump technology.

The HNP Mikrosysteme mzr-11558 is resistant to corrosive media as its rotors and functional elements are made of ceramics. The micro annular gear pump offers exceptional chemical resistance and an outstanding resistance to wear. Thanks to the use of ceramics as bearing and shaft material, a magnetic coupling, and case components made out of alloy C22 (DIN 2.4602), this pump will take up any challenge in the chemical industry applications.

HNPM HNP Mikrosysteme produce Micro Annular Gear pumps to the highest spec for the pumping of very small amounts of fluid in to the pharmaceutical, life science, coatings and flow chemistry industries. 

Advantages of the HNPM Mikrosysteme MZR-11558 Micro Annular Gear Pump Hermetic Inert Series Pump

  • High resistance to corrosion
    oxidizing and reducing media, acids and bases
  • Hermetically sealed
    magnetic coupling (NdFeB)
  • Long service life
    wear-resistant tungsten carbide
  • Chemically inert pump head
    alloy C22, SSiC, Al2O3 and ZrO2-ceramics
  • Dynamic precision motor
    brushless DC-motor with encoder
  • High differential pressures
    achievable even for low viscosity liquids
  • Low pulsation
    rotary micro annular gear technology, no valves

Applications of the Hermetic Inert Series Pump mzr – 11558 anti corrosive. 

  • Flow chemistry
  • Microreaction technology
  • Mini plant technology


Technical Data for the HNPM Mikrosysteme MZR-11558 Micro Annular Gear Pump Hermetic Inert Series Pump

Flow rate 0.19 – 1152 ml/min
Viscosity range 0.3 – 1,000 mPas
Precision CV < 1 % (Coefficient of variation CV)
Velocity range 1 – 6000 rpm
Fluid connection 3/8" NPT internal thread, lateral
Wetted parts Pump case alloy C22 (2.4602), optional: stainless steel 316L; seals FFKM (Kalrez® Spectrum™ 6375), optional: FPM, EPDM; shaft/bearing sintered silicon carbide (SSiC); bearing and wetted functional parts Al2O3 ceramics; rotors partially stabilized ZrO2, optional: tungsten carbide Ni-based
Motor Brushless DC-motor, IP 54, 42 V DC, max. 368 W
Dimensions (L x W x H) 301 x 130 x 129 mm
Weight approx. 11 kg
Encoder 500 counts per turn, type HEDL 5640
Temperature protection PTC-resistor, 6 pieces
Electrical connection motor cable length 3 m, 6-pole plug for motor winding, 12-pole plug for encoder and hall sensors
Maximum system pressure 60 bar (870 psi) 200 bar * (2900 psi *)
(inlet pressure + differential pressure)
Differential pressure range 0 – 30 bar (1 mPas); 0 – 60 bar (above 16 mPas)
Operating temperature range -5 … +60 °C (-20 … +100 °C *)
Displacement volume 192 µl
Smallest dosage volume 100 µl
Remark * depending on accessories,
Customized solutions on request

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.




Double shell heating module
Controller S-HV



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