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Your Technical Advisor and Manufacturer of High Performance Sealing Solutions.

Our commitment to quality and focus on Total Cost of Ownership makes O.L. Seals the safe choice for High Performance Sealing Solutions.


Overview of all standard sealing solutions including application parameters, detailed technical information and link to product catalog.

To the Products


Overview of in-house developed and manufactured compounds for standard and none standard applications.

To the Compounds

O.L. Seals is a key technical advisor and manufacturer of sealing solutions in PTFE and other high-performance plastic.

We have more than 20,000 standard seals in our range and have developed more than 10,000 tailor made sealing solutions in dimensions from Ø1 up to Ø3,000 mm.

O.L. Seals is based in Denmark and operates directly and through selected distributors worldwide.

Your technical partner

The extensive specialized knowledge within the O.L. Seals team, in conjunction with a dedicated focus on providing the best possible service, we are recognized as one of the most flexible and fast suppliers in the industry.

No business is too small nor too big. We have developed a very flexible production set-up, which makes O.L. Seals the ideal partner for both smaller and large enterprices.

Contact O.L. Seals

O.L. Seals is an Angst+Pfister company

The Angst+Pfister Group, headquartered in Switzerland, has been a leading innovation development partner for technical components and engineering solutions for over a hundred years, primarily in the areas of elastomeric and rubber-metal parts and compounds. Through local sales and technical organizations, the company serves every year more than 20,000 customers in over 50 countries.

Angst+Pfister operates research and development centers as well as production facilities worldwide that, together with global network of highly selective partners worldwide, allow to serve our customers in the most efficient and innovative way. Angst+Pfister stands for the highest possible degree of responsibility – good corporate governance, fair competition, the well-being of our employees, and social and environmental responsibility are our guiding principles in all areas of our business.

O.L. Seals provides a wide range of standard and tailor-made sealing systems in PTFE and other high-performance plastic.

Spring activated seals:

  • MupuSealsTM, Rotary MupuSealsTM

Slipper type seals:

  • SlipRings®, SharpSeals®, WypeRings®, TurnRings®, BX-SealTM, OX-SealTM, O-CapsTM, C-CapsTM

Wear rings:

  • GuideStripTM

Other products:

  • V-rings set, O-rings and more ... 
To the Products

O.L. Seals offers a wide range of in-house developed and manufactured Kefloy® compounds for standard and none standard applications:

  • More than 100 different PTFE Compounds
  • ETFE
  • POM
  • PUR
  • PEEK
  • and more …

On request O.L. Seals can provide different material approvals like food approved grades.

To the Danish Smiley Scheme, Audited by The Danish Veterinary and Food Administration

High Performance Sealing Solutions

Ever since the company was established in 1982, delivering Sealing Solutions in the right quality has allways been the DNA of our business.

The combination of our flexible production capabilities with in-house compounding, commitment to quality and skilled personnel has positioned O.L. Seals as one of the most reliable suppliers in the industry.

O.L. Seals is certified according to ISO 9001.

To the ISO 9001 Certificat