KTR Systems GmbH | Carl-Zeiss-Straße 25 | 48432 Rheine | T +49-5971798-0 | F +49-5971798-698

ROTEX® GS A-H

ROTEX<sup>®</sup> GS A-H
  • radial assembly, service friendly
  • backlash-free
  • torsionally dampening
  • axial plug-in
  • consider shaft distance
  • absorbs axial misalignment
  • absorbs radial misalignment
  • absorbs angular misalignment
  • 90 degree max. operating temperature
  • maintenance-free
  • Atex
  • torsionally elastic

Product features

  • Type for radial assembly/disassembly without shifting the driving and driven side

  • Assembly/disassembly by means of four screws

  • Replacement of the spider with no need to shift the driving and driven side

Contact

Sales Servo Couplings
T +49 (5971) 798-0
F +49 (5971) 798-698
Engineering ROTEX® GS
T +49 (5971) 798-0
E info-rotex-gs@ktr.com

 ROTEX® GS A-H consists of shell clamping hubs. It is possible to assemble and disassemble this type radially after having unscrewed the four clamping screws and by observing the shaft distance dimension E1. That is why ROTEX® GS A-H is the ideal solution if you are neither in a position to move the driving nor the driven unit.

Performance

Apart from the jaw-type geometry of the coupling hubs the zero backlash of the ROTEX® GS is mainly due to the geometry of the ROTEX® GS spiders. These are designed in a way that the convex teeth of the spider contact the concave jaws of the coupling hub under prestress. In combination with the straight toothing this results in a small surface pressure and an increased stiffness of the coupling system. 

Spiders

The flexible spiders for the GS series are available in five different kinds of Shore hardness. The different kinds of Shore hardness allow to adjust ROTEX® GS easily to the individual conditions of an application with regard to torsional stiffness and vibration characteristics.

The flexible teeth are radially supported by a web on the inside diameter. In this way deformation caused by heavy acceleration or high speeds is prevented.

The permissible ambient temperature of the coupling depends on the Shore hardness of the spider.

ROTEX® GS A-H

This type is certified and confirmed according to EC standard 94/9/EC (ATEX 95) as unit of category 2G/2D and thus suitable for the use in hazardous areas of zone 1, 2, 21 and 22. 

Please read through our information included in the respective Type Examination Certificate and the operating and mounting instructions.

If clamping ring hubs (clamping hubs without keyway are only permitted for category 3) are used in hazardous areas the coupling must be designed in a way that between the peak torque including all operating parameters and the torque of frictional engagement and the nominal torque of the coupling, resp., there is a safety of at least s=2.

Explosion-proof use

This type is certified and confirmed according to EC directive 2014/34/EU as unit of category 2G/2D and thus suitable for the use in hazardous areas of zone 1, 2, 21 and 22.

If clamping ring hubs (clamping hubs without keyway are only permitted for category 3) are used in hazardous areas the coupling must be designed in a way that between the peak torque including all operating parameters and the torque of frictional engagement and the nominal torque of the coupling, resp., there is a safety of at least s=2.

Please read through our information included in the respective Type Examination Certificate and the operating and mounting instructions.

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