0 - 280,000 Nm

RADEX®-N NN Laminae coupling

The laminae coupling RADEX-N NN is a standard series available from stock.

It should be noted that it is designed as a single-cardanic type only. As a result axial and angular displacements only are permissible with this steel laminae coupling (no radial displacement).

  • All-steel coupling / Laminae coupling
  • Single-cardanic type
  • Only angular and axial displacement permissible
  • Highest torsional stiffness
  • Short dimensions
  • Complying with ATEX (acc. to EU directive 2014/34/EU)
  • UKEX compliant (according to UKEX Directive SI 2016:1107)
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The heart of the RADEX-N steel laminae coupling are the laminae sets along with their connection to hubs and spacers. The high-strength and special dowel screws are reciprocally screwed to hubs and spacer allowing for a combination of friction and positive-locking fit. In this way our laminae coupling ensures high power density with simultaneous ease of displacement and low restoring forces.

This type has been assessed and approved as equipment of category 2G/2D according to EU directive 2014/34/EU and is consequently suitable for use in potentially explosive areas of zones G1, G2, D21 and D22 .

The special design of the components of the RADEX-N laminae coupling allows for prestress of the laminae sets, increasing the torsional stiffness of the all-steel coupling by approx. 30 % and at the same time preventing axial vibrations of the spacer.

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