HNPM mzr-11507

Max Capacity: 1152 ml/min

Max Pressure: 10 bar

Max Viscosity: 150,000 mPas

Temperature Range: -5 ... +60 °C

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HNPM mzr-11507 Micro Annular Gear Pump

Low Flow Positive Displacement Pump.

High dosage precision, Broad viscosity range, Dynamic precision motor for pumping methanol, water, solvents, adhesives, grease, gel

The micro annular gear pump mzr-11507 is equipped with tungsten carbide rotors and bearings. Hard construction material and precision manufacturing techniques guarantee excellent dosage precision, high service life and wear resistance for low volume dosage of non-lubricating liquids. Driven by a high-power three-phase AC-motor the pump has a compact design and covers the flow range from 29 ml/min to 1152 ml/min. The mzr-11507 is suitable for continuous delivery and discrete dosage of low and high viscosity liquids. It achieves high differential pressures and provides a low pulsation flow. Its robustness and the available accessories make it suitable for challenging applications.

Advantages of using a Micro Annular Gear Pump

  • High dosage precision
  • precision CV < 1% at low volumes
  • Long service life
  • wear-resistant tungsten carbide
  • Broad viscosity range
  • methanol, water, solvents, adhesives, grease, gel
  • Dynamic precision motor
  • brushless DC-motor with encoder
  • Compact measurements
  • length 309 mm
  • High differential pressures
  • achievable even for low viscosity liquids
  • Low pulsation delivery, low shear stress
  • rotary micro annular gear technology

Applications using Micro Annular Gear Pump

  • Chemical processing
  • Industrial and plant engineering
  • Packaging
  • The medical and pharmaceutical industry
  • Mini plant technology
  • Spraying
  • Dispensing of adhesives
  • Ink and paint dosage
  • Vacuum applications


Ambient temperature range -5 … +40 °C
Flow rate 29 – 1152 ml/min
Viscosity range 0.3 – 150,000 mPas
Precision CV < 1 % (Coefficient of variation CV)
Velocity range 150 – 6000 rpm
Fluid connection 3/8" NPT internal thread, lateral optional 3/8" NPT internal thread, frontal
Wetted parts stainless steel 316L (1.4435), tungsten carbide Ni-based; shaft seal: graphite-reinforced PTFE, alloy C276 (2.4819); static seals: FPM, optional: EPDM, FFPM
Motor AC-motor, IEC-Size 056, 4 poles, IP 55, rated voltage 240/400 V, rated frequency 100 Hz, 240 W
Dimensions (L x W x H) 303 x 110 x 171 mm
Weight approx. 9.3 kg
Temperature protection thermal contact (NC)
Differential pressure range 0 – 40 bar (1 mPas); 0 – 140 bar (above 16 mPas)
Maximum inlet pressure 10 bar
Operating temperature range -5 … +60 °C (-20 … +120 °C *)
Displacement volume 192 µl
Smallest dosage volume 100 µl
Remark * with optional heat insulation or heating module,

Customized solutions on request



Heat insulation module

thermal insulation of pump head and drive for high performance and hermetic inert pump series, 

also available in ATEX


Fluidic seal module

additional sealing system for handling liquids sensitive to air or moisture and for vacuum applications of pumps from the high performance series


Electrical heating module

additional electrical heating for pump heads from the high performance and hermetic inert series with frontal fluid connection,

thermal insulation of pump head and drive,

prevents temperature drop of liquid


Double shell heating module

double shell for active heating or cooling of pump heads from the high performance and hermetic inert series,

thermal insulation of pump head and drive,

prevents temperature drop of liquid


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