Product Details

MPN Series centrifugal pump – MNP 150

SKU: Category: Schmitt

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The MPN series is one of the most proven plastic magnetic drive pumps in the industry. Having been continuously improved over the decades, there are some ten thousand MPN pumps in use
worldwide. The MPN series features a contact- and abrasion-free magnetic drive system, so that no mechanical seal is required to seal the pump.



  • Hermetically sealed and absolutely leak-free (no mechanical seal)
  • Powerful magnetic drive with neodymium magnets
  • Practically maintenance-free in normal operation due to extra-large slide bearings
  • Runs in partial dry run conditions due to large diameter PTFE slide bearings – design without impeller shaft Features
  • All wet parts made of high-quality, corrosion-resistant plastics (PVDF or PP)
  • Threaded connections (ISO 228-1) as standard
  • Optionally available with flanges (from size 130)
  • Universally applicable, low-noise and compact close-coupled design
  • Approved for use in explosive atmospheres ATEX zones 1 and 2
  • Optionally available with housing parts made of conductive plastic with approval for ATEX zone 1
  • Corrosion-resistant paint finish
  • All stainless steel screws in 1.4571 (316Ti)
  • FDA-certified materials (PVDF versions)

Fields of applications

Delivery of acids, bases, lye or other corrosive, harmful or toxic liquids in such applications, where even small leakages are not acceptable and a hermetically sealed pump is required. Delivery of highly pure and sensitive liquids, where contamination must absolutely be avoided.


For example in the following applications:

  • Plating and surface coating
  • Semiconductor technology and solar cell production
  • PCB and electronics manufacturing
  • Wastewater and fresh water treatment
  • Laboratory equipment and medical technology
  • Emission controls and gas scrubbers
  • Battery production and energy storage
  • High-purity applications, demineralized water, ultrapure water


Pump housing / wet end: PVDF, PP

Elastomers: FKM, EPDM, FEP, FFKM

Material of slide bearings: PTFE / Al2O3, SiC / SIC

Operating conditions

  • Max. flow rate: up to 35 m³/h
  • Max. delivery head: up to 32 m
  • Liquid temperature: -5 to 95 °C (PVDF), resp. 0 to 80 °C (PP)
  • Ambient temperature: -10 to 40 °C, higher temperatures on request
  • Pumps can be adapted to high-density liquids (up to 2.0)
  • Depending on operating conditions and pump model, MPN pumps can run dry for certain amounts of time – up to several hours


Standard motors (available from stock)

  • Three-phase motors: D230 / Y400 V-3ph @ 50 Hz, D265 / Y460 V-3ph @ 60 Hz, IP 55, Ins.-Cl. F, also with PTC
  • All motors from 0.75 kW have energy efficiency class IE3
  • Single-phase motors (up to 1.1 kW: 230 V-1ph, 50 / 60 Hz, IP 55, Isol.-Kl. F)
  • ATEX-certified motors (temperature rating T3)

Special motors (available on request, for example)

  • Special voltages and frequencies · ATEX-certified motors (temperature rating T4)
  • Three-phase motors with integrated drive / frequency converter
  • Four-pole motors with 1450 rpm @ 50 Hz / 1650 rpm @ 60 Hz
  • UL- and CSA-certified motors
  • Special types of protection, e.g. IP 65
  • Special insulation classes, e.g. tropical insulation
  • Multi-voltage, e.g. D220–290 / Y380–500 V, 50 Hz; D220–332 / Y380–575 V, 60 Hz
  • Direct-current motors (DC or BLDC)

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