Kreiselpumpe Baureihe NHM
plastic
horizontal
magnetically coupled
normal priming

NHM Series

A magical 76 % efficiency makes this normal-priming PP or PVDF centrifugal pump the benchmark. Just like its freedom from maintenance, durability and chemical resistance.

The all-new NEOLUTION pump is the first of its kind. With its legendary energy efficiency, it sets standards in this class. Made of individually selectable, chemical-resistant high-performance materials, the NEOLUTION NHM is uncompromisingly geared to your needs. Discover this world premiere! more ...

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Special features of the NHM Series

  • Best efficiency and thus extremely energy-efficient
  • Wear-free, maintenance-free and long-lasting due to the unique bearings
  • Hermetically sealed due to contactless magnetic drive, thus absolutely leakage-free

Pump curves

Features

  • Hermetically sealed and absolutely leakage-free, as there is no shaft seal as a matter of principle
  • Contactless magnetic drive with high-performance neodymium magnets
  • Highly efficient impeller and optimised volute casing for efficiencies of up to 76 %
  • Modular impeller and inner magnet for easy replacement
  • Maintenance-free in normal operation due to generously dimensioned plain bearings
  • Reliable operation even at high pressures and temperatures due to unique can geometry
  • All wetted parts made of high-quality, corrosion-resistant plastics (PVDF natural or PP-CF and PP natural)
  • Equipped as standard with threaded connections to ISO 228-1 or flange connections
  • Universally applicable, compact and quiet
  • Optionally with approval for use in potentially explosive atmospheres (ATEX zones 1 and 2)
  • For ATEX zone 1 available in dissipative plastics (on request)
  • All screws made of stainless steel V4A (1.4571)
  • Optional: with vent or drain holes for individual installation positions

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

Characteristics

Pump housing / wet end: PVDF, PP

Elastomers: FKM, EPDM, FEP, FFKM

Material of slide bearings: SiC / Carbon, SiC / SIC

Operating conditions

  • Max. flow rate: up to 42 m³/h
  • Max. delivery head: up to 27 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)

Motors

Standard motors (available from stock)

  • Three-phase motors: D230 / Y400 V-3ph @ 50 Hz, 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)

 

Kreiselpumpe Baureihe NHM

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