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RADEX®-N NNW Steel laminae coupling

The laminae coupling RADEX-N NNW is a double-cardanic series with customised spacers. The spacers are provided with solid shafts. This steel laminae coupling was particularly developed for low speeds.

  • All-steel coupling / Steel laminae coupling
  • Type with customised shaft distance dimensions (DBSE)
  • For drives with relatively low speeds
  • Coupling consisting of two times type NN with intermediate shaft
  • 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.

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.

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 .

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