Kudernak PTFE Seals, Shaft Seals and Special Seals


Kudernak has 40 years of industry experience in high-performance seals and PTFE (Teflon) components. Since the mid-1970s, Kudernak has been able to build up a worldwide clientele of satisfied customers for its wide range of static and dynamic seals.

Standard and custom-made gaskets and seals

As a system partner and technology leader, Kudernak produces a comprehensive range of gaskets and seals, from standard seals to complete system solutions, and from one-off production to large series.

Besides modular standardised seals, Kudernak also delivers specialised solutions to meet the customer’s requirements concerning dimensioning, materials and other specifications.

The company will be glad to assist you in producing your seals with the proper configuration, right from the design phase. Kudernak’s competent engineers and technicians guarantee optimal solutions for your sealing applications.

Specialist markets include:

  • Chemicals
  • Food
  • Pharmaceuticals
  • Petrochemicals
  • Valves and fittings
  • Pumps and compressors
  • Plant engineering and construction
  • Mechanical and electrical engineering
  • Power generation
  • Medical technology
  • Automotive and rail

Static and dynamic seals

Kudernak offers PTFE seals, including KK-Email-gaskets, gaskets for glass pipelines, manhole gaskets, nozzles, sealing tapes, side bearing sockets and stuffing-box-seals.

The company’s flat gaskets come in standard and customised measurements, and in different materials; fibre materials include graphite, mica, PTFE and elastomer.

Kudernak’s metal gaskets include corrugated seals, spiral wound gaskets, grooved gaskets, flat gaskets with metal flange, metal insert rings, metal rings, ring joint gaskets, weld ring gaskets and lip seals.

The company provides O-rings, such as FFKM-O-rings, elastomer-O-rings, X-rings, PTFE/FEP-coated O-rings, clamp-gaskets, Kamlok-gaskets, piston seals, wear rings, rod seals, round ropes and elastomer profiles.

Kudernak’s range of hydraulic seals comprises piston seals, rod seals, rod guide rings, piston static seals, wiper seals, buffer seals, head static seals, groover rings and support rings.

Kudernak also offers pump and valve seals, including packings, V-ring-packings, O-rings, flat gaskets, ball valve seal and PTFE special-turned parts.

PTFE components and specialised products

Kudernak provides ball seats, groove rings, semi-finished products and other construction elements.

If a product is not in stock, it is fabricated without delay. Thanks to Kudernak’s modern computer and computer numerical control (CNC) manufacturing technology, the company is able to deliver many gaskets within 24 hours, in order to ensure the highest and safest level of system availability.

Quality-controlled static and dynamic seals

All Kudernak’s seals are subjected to constant quality control measures. All processes, from stock-receipt to shipping, are part of the company’s quality assurance system. This ensures complete transparency in all parts of the company and quality for customers.

Kudernak employees are experienced, qualified and committed to quality. The company’s suppliers are also subject to the comprehensive quality management system. They are an essential part of value creation and are therefore selected according to strict criteria.

Kudernak GmbH Industriedichtungen is certified to DIN EN ISO 9001:2008 by TÜV Hessen since June 2001.

Make an enquiry

Kudernak GmbH

Paul-Ehrlich-Straße 17




+49 0 6074 84 31 0 www.kudernak.de

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Kudernak GmbH

Paul-Ehrlich-Straße 17




+49 0 6074 84 31 0 www.kudernak.de