KTR do Brasil Ltda | Rua Jandaia do Sul 471, Emiliano Perneta | 83324-440, Pinhais - PR - Brasil | Tel +55 (41) 3669-5713 | E-mail: ktr-br@ktr.com
POLY - torsionally-flexible, shear shaft coupling

POLY - torsionally-flexible, shear shaft coupling

Product features

  • For vibration-reducing power transmission

  • Axial plug-in, easy assembly

  • Maintenance-free

  • Not fail safe, torsionally-flexible, soft in bending

  • Elastomer: Operative range -30° C to +80° C, short-term up to +120° C

Function

The coupling consists of 2 hubs with fingers that are separated by elastomeric elements which are assembled by axial blind plug-in to each other. Elastomer elements are placed into the slots of both coupling hubs. Torque is transmitted in a compact design. Shaft misalignments, vibrations and shock loads are effectively absorbed by the POLY coupling.

The coupling is maintenance-free and used in general machinery, the pump industry and in compressors. The Poly coupling handles torque ranges of up to 65,000 Nm and is stocked in 21 different sizes and3 designs for immediate availability. In addition to our standard coupling models, a variety of flange, drop out center and spacer options are available. 

Variation of options

The coupling can be adapted to many applications due to the many options that are possible with the building block arrangement. The POLY components of a given model can be mixed and matched with each other to obtain different shaft distances using the same basic component. 

ATEX standard

ATEX standard

This type is certified and confirmed according to directive 2014/34/EU as unit of category 2G/2D and thus suitable for the use in hazardous areas of zone G1, G2, D21 and D22.

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