own production
modern & future-oriented

High service orientation

Hands on mentality


since 1878

Made in Europe

with customers & business partners


modern & future-oriented

Sealing technology from thoenes®

Since our foundation in 1878 and our reprivatization in 1993, we have specialized in the manufacture of seals for plants, machines and systems as thoenes Dichtungstechnik GmbH. In addition to modern and future-oriented production, we offer our customers, our business partners and cooperating research institutes many years of experience and close cooperation. Thanks to the continuous expansion of our production facilities, we are also able to manufacture highly customized seals. We find the right sealing solution for every application and work with you to develop innovative solutions.
Gaskets are required in many industries and various areas of application. We manufacture gaskets from a wide range of materials. Sealing and insulating cords, twisted cords; hoses, shields, tapes and stuffing box packings. Yarns made of natural fibers, various glass and ceramic fibers, silicon oxide, aramid, basalt and metal are processed. Flat gaskets and flange gaskets are manufactured from various fiberboards branded on thoenes®, from graphite, from mica, from various EPDM qualities, from PTFE, from metals and many other materials in all DIN and EU standard sizes and according to drawings.

Our range of services

sealing solutions

Our journey began in 1878 and has taken us through more than a century of innovative sealing solutions. As one of the oldest gasket manufacturers in Germany, we have always been committed to the challenge of meeting the demands of changing industrial landscapes. From the very beginning, we have continuously worked on perfecting and expanding our products. Our focus is on the ongoing development and manufacture of high-quality sealing solutions. We are proud to offer a wide range of sealing products that are used in almost all industries and applications. Continuous innovation and our passion for excellence have enabled us to establish a global presence in numerous industries.


filtration solutions

We offer customized solutions for a wide range of applications and materials. Our approach is based on precise in-house developments, which we not only design, but also test and verify ourselves. Our development is significantly supported by the use of state-of-the-art simulation tools. There is a clear focus on our 'Design to Recycle' concept, which focuses on resource efficiency and sustainability. Our solutions always meet the highest customer requirements to ensure optimum performance and satisfaction.


lightweight solutions

With our two main products, thermoplastic hollow profiles in a wide range of geometric shapes, we offer comprehensive functional integration for static and dynamic applications in industrial environments. These profiles open up a wide range of possible uses and contribute to the optimization of a wide variety of construction requirements. Another flagship product in our portfolio is the textile reinforcement stirrup, specially developed for textile-reinforced concrete applications in a wide range of industries. These innovative stirrups enable a wide range of applications and support projects with their unique functionality and performance.


Useful products are part of our DNA

Thomas Zocher

CEO - thoenes® Dichtungstechnik GmbH

As Managing Director, the cornerstones of our company are particularly important to me, and I would like to welcome you to our world of sealing, filtration and lightweight construction technology. Innovation is our top priority. We do everything we can to always offer our customers the most modern and efficient solutions. With our highly qualified team, we strive to integrate the latest technologies and materials into our products to always deliver the best. Authenticity is very important to us. As a company, we value honesty and reliability. Our word is our bond and we stand by our promises. You can trust that you can always expect transparent and reliable business relationships with us. Our main goal is to create value for you as a customer. We not only want to offer you high-quality products, but also solutions that meet your individual needs. Your satisfaction is at the heart of everything we do.

vision & mission

efficient use of resources

From the very beginning, our company has set itself the goal of using resources efficiently. We are firmly convinced that sustainable business is not only environmentally friendly, but also economically sensible. For this reason, we have implemented a number of measures and practices to ensure we make the best use of our resources. A central aspect of our efforts is reducing our ecological footprint. We rely on energy-efficient technologies and processes to minimize our energy consumption. We optimize our supply chains to shorten transport routes and reduce CO2 emissions. We also recycle and reuse materials wherever possible and use environmentally friendly packaging. However, the efficient use of resources is not only limited to environmental aspects. We also maximize the efficiency of our workforce and financial resources. Through ongoing training and continuing education programs, we ensure that our employees can exploit their full potential. We optimize our operational processes and investments to avoid wasting resources and ensure financial sustainability. Our commitment to efficient use of resources is not just a business strategy, but an integral part of our corporate culture. We believe this is the right path to ensure long-term success and make a positive contribution to society and the environment. We will continue to pursue innovative approaches and improve existing processes to achieve our vision of a more sustainable future.

market leader in noise reduction

Our innovative air silencers set the standard for noise reduction and performance in commercial vehicle braking systems. Rely on proven quality and efficiency to minimize noise pollution on your components while increasing safety. Choose the number one in the industry and enjoy quieter rides without compromising performance. Our developments and products are the first choice for experts in the commercial vehicle sector. Don’t cut corners – rely on the market leaders and experience the future of compressed air noise reduction!

technology leader in the field of lichens

We are proud to offer innovative and advanced braiding technologies that set standards and revolutionize industries. Our expertise extends across a wide range of applications - from fine and precisely braided fibers for technical seals and insulation to high-strength stainless steel braids. Through years of research and development, we have established ourselves as a leading provider in the world of braiding. Discover our extensive know-how, our tailor-made solutions and our first-class products on our website. Trust us to realize your most demanding braiding projects and open up new horizons in the world of technology.

Frequently asked questions about thoenes

Our office is open Monday to Thursday. Open 7:30 a.m. to 4:30 p.m. and Friday 7:30 a.m. to 3:30 p.m. Our shipping is Mon.-Fri. Available 7:00 a.m. - 2:00 p.m. You can reach us by phone on 035204 3928 - 0 or by email: info@thoenes-solutions.com

You are entitled to do this as a commercial reseller, commercial consumer and large commercial buyer. According to the law, end consumers are not allowed to shop here.

Items in stock will be available to you within 2-3 working days. Production times are as follows: We usually deliver flat gaskets within 1-2 weeks. If you need to go faster, please feel free to contact us. In the event of an accident, we will of course help immediately! We regularly deliver stuffing box packings and sealing cords in 3-4 weeks. We have a small selection of common products in stock. Please feel free to contact us.
Flat gasket: dimensions (inner Ø, outer Ø, thickness), Sealing material or media to be sealed additionally for shaped seals: number of holes, hole Ø, hole circle (Ø) (ideally drawing DWG, DXF). If the geometry is irregular, a dimensioned drawing is necessary. Stuffing box packings and sealing cords: dimensions of the cross section (square/round), length, if necessary cut length (number). If you are not sure, our application engineer Mr. Wagner will be happy to advise you.
At thoenes you can also buy a single seal. However, the minimum order value (net) for flat seals is €40 and the item value is €10. If the limit is exceeded, a processing and logistics fee of €25 will be charged. The minimum order value for packs and insulating cords is €150 net. (<150€ plus 25€ logistics fees).
In the event of an accident, we will help you immediately if it is within our means.
You can find the data sheets as a download (PDF) with the respective article. If you can't find it, please feel free to contact us.
For items that you cannot find on the website, please feel free to ask us. We also have many additional items in our range or can procure them. There may also be a suitable alternative from thoenes.
We manufacture seals from a variety of materials. Sealing and insulating cords, twisted cords; Hoses, shields, tapes and stuffing box packings. Yarns made from natural fibers, from various glass and ceramic fibers, from silicon oxide, from aramid, from basalt and metal are processed. Flat or flange gaskets are made from various thoenes® branded fiber boards, from graphite, from mica, from various EPDM qualities, from PTFE, from metals and many other materials in all DIN and EU standard sizes as well as according to drawings.
You have various options to reach us. For general matters you can reach us by phone on 035204 3928 - 0, technical support is available on 035204 3928 - 26. Please send your email to info@thoenes-solutions.com or use our contact form. If you are looking for a specific employee, you can find him under “Contact”
Your inquiries to us will be processed as quickly as possible. Our goal is to send you your offer within 24 hours (Mon-Fri). If you have not heard from us after 48 hours, please contact us.
We source our fiberboard with our Thoenes branding from Donit. We also get elastomers and PTFE sheets from European suppliers. We use this to punch or plot flat gaskets in all geometries. We also get the basic material for insulation cords and stuffing box packings from European suppliers. We produce these products in our in-house braiding workshop.
Thoenes is certified according to these standards:
  • DIN EN ISO 9001 quality management;
  •  DIN EN IOS 14001 environmental management; DIN EN ISO 45001 Occupational and health protection management.
For us, sustainability is more than just a buzzword - it is a core value that forms the basis of our corporate philosophy. At our company, we understand sustainability as the obligation to take on both ecological and social responsibility to ensure long-term success. For us, ecological sustainability means minimizing our impact on the environment. We rely on energy-efficient technologies, reduce waste and rely on recycling and renewable energies. Our goal is to continually improve our ecological balance and make a positive contribution to protecting our planet. Social sustainability is just as important to us. We are proud to promote an inclusive and diverse work environment that ensures equal opportunities and fairness for all employees. We support local communities and social projects and are committed to ethical working conditions in our supply chain. In order to achieve our sustainability goals, we have implemented concrete measures. We monitor and reduce our energy and resource consumption, minimize waste and rely on environmentally friendly products and processes. We invest in training and education to increase awareness of sustainability within our team. We recognize that sustainability is an ongoing process and we strive to continually improve our efforts. Our goal is to create positive change in our industry and society as a whole. For us, sustainability is not only an obligation, but also an opportunity to promote innovation and ensure long-term success.

Find out more now

Bring our special seals we operate in the following sectors:

  • Electricity and heat generation
  • Furnace, boiler and plant construction
  • Chemical and pharmaceutical industries
  • Heating, plumbing and ventilation technology
  • Water and wastewater technology
  • mechanical engineering
  • Building materials industry
  • food industry
  • Agricultural technology
  • Pumps, fittings and apparatus engineering

Do you need support or are you still looking for an innovative solution for sealing technology? We would be pleased if you contacted us. Your team thoenes Präzisionstechnik GmbH in Klipphausen just outside Dresden.

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