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Permanent magnetic couplings

Magnet systems and permanent magnetic couplings in specific, are an important step to environmentally compatible magnet technology. In cases where highly toxic or aggressive media is used, hermetically sealed drives are inevitable. DST permanent magnetic couplings (standard series, conversion kits and special solutions) offer a reliable alternative to conventional dynamic seals due to their leakage-free transmission in pumps.

The Type Examination Certificate according to ATEX II2GcIICTX confirms that all basic safety and health requirements concerning design and production of components for the intended use in hazardous areas are fulfilled.

This results in a use in the following industrial areas:

  • Process engineering
  • Chemical industry
  • Pharmaceutical industry
  • Food industry
  • Biotechnology
  • Industrial furnaces
  • Water management
  • Compressors
  • Measurement
  • Dosing technology
  • Hydraulics
  • Petrochemistry

Optimally matched to the various media, the wetted parts of the magnetic coupling are made of different materials:

  • 1.4571
  • Hastelloy
  • Titan
  • 1.4435
  • 1.4539
  • 1.4301
  • 1.4462
  • Plastics

Advantages of Sm2Co17 vs. NdFeB:

  • Very high energy product
  • High coercivity (resistance to demagnetization)
  • Temperature stable up to +350°C
  • Very corrosion resistant

More information on permanent magnetic couplings can be found in our product catalogue. For detailed information and technical specifications, please contact our employees.