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Schmitt

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Schmitt NHM

Schmitt NHM
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Description

The magnetically coupled centrifugal pump NHM exhibits impressive energy efficiency thanks to an efficiency degree of 76 %. The unique bearing system with sliding axle technology is wear-free, maintenance-free and durable in terms of its long service life and resistance to chemicals. The pump can be ordered in different versions:

 

Available materials:

 

  • Housing: PVDF, PP
  • Elastomers: FKM, EPDM, FEP, FFKM
  • Plain bearing pairings: SiC/SiC (silicon carbide) or carbon/SiC

 

Advantages:

  • Best efficiency and therefore extremely energy-efficient
  • Wear-free, maintenance-free and durable thanks to the unique bearing with sliding axle technology
  • Hermetically sealed due to contactless solenoid drive, therefore absolutely leak-free
  • Solids up to 3 mm grain size and 10 % by volume can also be conveyed
  • Universally applicable
  • Also suitable for viscous media

 

Application examples:

  • Electroplating and surface coating
  • Wet chemical processes in semiconductor technology, solar cell production and printed circuit board manufacturing
  • Waste water and fresh water treatment
  • Laboratory and medical technology
  • Environmental technology, exhaust gas purification, gas scrubbers
  • Battery production, energy storage
  • High-purity applications, demineralised water, ultrapure water

Technical data

Operating conditions:

Type of construction

Magnetically coupled centrifugal pump

Motor power

0.75 -1.1 KW

Maximum flow rate of the series

42 m³/h

Maximum delivery head of the series

27 m

Temperature of the pumped medium

-5 to 95°C (PVDF) or 0 to 80°C (PP)

Ambient temperature

-10 to 40°C, higher temperatures possible on request

Adaptation for media with high densities

up to 2.0

 

Standard motors (ex stock)

  • Three-phase motors: D230 / Y400 V-3ph 50 Hz, D277 / Y480 V-3ph 60 Hz, IP 55, insulation class F, also with PTC thermistor
  • All three-phase motors from 0.75 kW have energy efficiency class IE3
  • AC motors (up to 1.1 kW: 230 V-1ph, 50 / 60 Hz, IP 55, insulation class F)
  • ATEX motors in temperature class T3

 

Special motors (on request)

  • Special voltages and frequencies
  • Three-phase motors with integrated frequency inverter
  • ATEX motors with pressure-resistant enclosure and temperature class T4
  • 4-pole motors with a speed of 1450 rpm at 50 Hz
  • UL and CSA versions
  • Special types of protection, e.g. IP 65
  • Special insulation classes, e.g. tropical insulation
  • Multi-range voltage, e.g. 220-290/380-500 V, 50 Hz; 220-332/380-575 V, 60 Hz
  • Direct current motors (DC or BLDC)

 

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