New range of chain tensioners from Norelem

Veröffentlichte die 06/11/2025

Three sizes, maximum flexibility, precise tensioning

With multiple sizes and clamping force options, robust materials, assembly aids, and retensioning options, the new range of chain tensioners from norelem effectively meets virtually every requirement in mechanical engineering, from confined installation spaces to highly stressed chain applications.

Chain tensioners are used in a wide variety of machines and systems. Their main function is to compensate for the progressive elongation of the chain due to wear and tear, ensuring constant tension. This increases the service life and reliability of the chain drive.

The norelem chain tensioners operate in an oscillating, elastic manner: this prevents excessive surface pressure, while the overall force resulting from the weight of the chain and the centrifugal force in the free chain run is optimally controlled. Installation is simple and ideally performed immediately behind the drive wheel to keep the free chain run as short as possible. The chain tensioner housing is made of plastic or steel; stainless steel versions are also available for more demanding requirements. The sliding profiles are made of ultra-high molecular weight polyethylene PE-UHMW.

Norelem offers solutions for every clamping requirement
The robust size TS is supplied as standard with a plastic-coated, galvanized steel housing, with a choice of curved or elliptical profile. The clamping system is equipped with two preloaded compression springs. These springs can be released individually to achieve three levels of clamping force:

Only right spring released: High clamping force
Only left spring released: Low clamping force
Both springs released: Extra clamping force

The compact size 0 is available in two versions with different clamping forces: low spring force (58-32 N) and high spring force (132-60 N). The compact design makes this tensioning system the ideal solution for installations in confined spaces, and thanks to its plastic housing, it is completely corrosion-free.

The versatile size 1 chain tensioners are available in two versions with different tensioning forces and in two shapes: low spring force (174-32 N), high spring force (396-60 N), shape A (short housing), and shape B (long housing).
Extras include a color scale for a quick visual check of the chain tension, and various fixing brackets and slotted holes for easy adjustment and compensation for alignment errors.

Weitere Informationen: Norelem

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