Permanent Magnets

  • NdFeB magnets
  • SmCo magnets

Types of permanent magnetic pumps

Disc Type pump                           

  • 180° acceleration angle
  • pressure head up to 5 bar
  • 270° acceleration angle W –type

pressure head up to 11 bar Cylindrical pump:

  • n x 360° acceleration angle
  • pressure head up to 15 bar / 360°

Properties of Permanent magnetic pumps

Advantage

  • Simple design
  • No shaft seals
  • Low wear
  • Wide PQ characteristics
  • Higher efficiency compared to electromagnetic pumps 
  • robustes Kavitationsverhalten

Disadvantages:

  • Low efficiency compared to mechanical pumps
  • Big dimensions
  • Risk of freezing at low flow

  • Low efficiency with high  delivery pressure and low flow

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