Ex-pump for application in chemical and process technology

The micro annular gear pump mzr-11507 Ex 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 explosion-proof three-phase AC-motor the pump has a compact design and covers the flow range from 58 ml/min to 1152 ml/min. The mzr-11507 Ex is suitable for continuous delivery 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 in chemical and process technology.

Advantages

  • Ex-certification ATEX
    conform with EU Directive 94/9/EG
  • High dosage precision
    precision CV < 1 % at low volumes
  • Long service life
    wear-resistant tungsten carbide
  • Broad viscosity range
    water, solvents, adhesives, grease, gel
  • Compact dimensions
    length 358 mm
  • High differential pressures
    achievable also for low viscosity liquids
  • Low pulsation delivery, low shear stress
    rotary micro annular gear technology

Flow charts

Technical data

  • Flow rate
    58 – 1,152 (29 - 576 *) ml/min
  • Smallest dosage volume
    100 µl
  • Displacement volume
    192 µl
  • Differential pressure range
    0 – 80 bar (1,160 psi)
  • Maximum inlet pressure
    10 bar (145 psi)
  • Ambient temperature range
    -20 ... +40 °C (-4 ... +104 °F), -55 ... +60 °C * (-67 ... +140 °F) * °C
  • Liquid temperature range
    -5 ... +40 °C (+23 ... 104 °F), -20 ... +120 °C * (-4 ... +248 °F) *
  • Viscosity range
    0.3 - 5,000 (10,000 *) mPas
  • Ex-certification
    CE II 2G c IIC T4 X
  • Place of installation
    Ex-area zone 1, 2
  • Precision CV
    < 1 % (Coefficient of variation CV)
  • Velocity range
    300 - 6,000 (150-3,000 *) 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
    three-phase AC motor, IEC-Size 063, 2 poles, IP 55, rated voltage 240/400 V, frequency 50 Hz, 250 W
  • Temperature protection
    PTC-resistor, 6 pieces
  • Dimensions (L x W x H)
    358 x 120 x 224 mm
  • Weight
    approx. 22,000 g
  • Remarks
    * with optional modules or alternative motors, Customized solutions on request.
  • 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. 

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