Frenzelit Fabric and Elastomer Expansion Joints for the Power Industry

Frenzelit lead

Frenzelit produce fabric and elastomer expansion joints to provide system solutions for reliable connections in plant engineering and construction in the power industry.

We fulfil specific requirements, from designing a new expansion joint or improving an old one, our expert team will find a solution for your power station. With over four decades of experience designing and manufacturing expansion joints within the power industry we can find a solution for you.

Our engineers help your design team develop the most appropriate fixture. We offer cost-effective theoretical and practical support through the design, construction, testing and maintenance stages.

All our services and products comply with both ISO 9001 and ISO 14001 requirements. If necessary, Frenzelit will provide test reports 2.1 or inspection reports 3.1 acc. to EN10204 and declaration of conformity according to the classification. Thus ensuring we provide the highest quality products and services.

Machines within the power industry must be durable as they are exposed to corrosive fluid, vigorous vibrations, varied pressure levels and extreme temperatures. Therefore Frenzelit understand that customised solutions are the only path to long-lasting joints, as power plant demands vary from site to site.


Frenzelit provides the following expansion joints for the power industry:

  • Circular expansion joints with single or multi-layer bellows
  • Rectangular expansion joints with single-layer bellows
  • Lens type expansion joints available in an unlimited numbers of compensating profiles


Frenzelit use the following materials to make highFLEX SFR rubber expansion joints:

  • Neoprene
  • EPDM
  • Butyl
  • Nitril
  • Hypalon
  • Viton
  • Natural rubber

We can also combine several elastomer materials to meet your specific needs. Bellows, welding ends and flanges are either produced from carbon steel, stainless steel or high alloyed steel according to specification or to be chosen to withstand the current medium.

Available styles:

  • Sealing surface with steel reinforcement for floating flanges
  • Back up bars with groves according to DIN PN 10/16 or ANSI 150lb
  • Full face elastomer flanges with fabric reinforcement
  • Back up bars with shoulder
  • Male and female threads for size DN 15 to 80mm
  • Tie-rods
  • Special tie roads for lateral expansion joints
  • Additional PTFE lining
  • Vacuum supporting rings and spiral support


The easyFLEX expansion joints are designed for materials-handling and weighing devices. To perform this function they are highly flexible and pressure resistant. They come in a variety of materials, colours and styles with strong reinforcements.

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Press Release

Frenzelit to Attend Hannover Messe 2016

Frenzelit will be attending Hannover Messe 2016, the world's leading industrial technology trade fair.

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Bad Berneck




+49 927 372 167 +49 9273 72 8167

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Press Release

8 April 2016

Frenzelit will be attending Hannover Messe 2016, the world's leading industrial technology trade fair.

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Bad Berneck




Werner Springer +49 927 372 167 +49 9273 72 8167

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