Need a tip from professional to professional?
09090 - 705880 mail(at)


  • More than just seals

    More than just seals

    billi seals: your perfect partner for manufacturing and tradinging of seals of any kind.

  • O-Ring seals

    O-Ring seals

    O-Ring-seals manufactured by billi-seals: durable and flexible.

  • Graphite gaskets

    Graphite gaskets

    Graphite gaskets manufactured by billi are perfect for high temperature and pressure.

Your benefits:

  • Customers in over 50 countries around the world
  • Large warehouse, almost all standard seals
  • No minimum amount, no minimum order value
  • Quality products
  • Specially designed products
  • Service, quality & flexibility

Seals manufacturer | Sealing technology from Germany

We encounter poetry in our everyday life more often than we might notice. A good seal not only has to fit the area of application, but also the media used and the various load limits. As a specialist for sealing technology in practically all areas, Billi Dichtungstechnik GmbH has made a name for itself worldwide. The sealing technology we produce is used by customers worldwide in various production environments. The modern sealing technology from our company is now used in more than 70 countries.

Our focus: The mechanical seal

Already since 1997 Billi Dichtungstechnik GmbH has concentrated on the production of mechanical seals, standardized according to EN12756 (DIN24960). In addition, we produce a wide variety of mechanical seals for a wide range of applications according to the specifications of our customers. Whether shipping, food industry or even coolant compressors, the appropriate seals ensure smooth operation and safe operation. We also manufacture suitable mechanical seals for water and waste water and provide them to our customers. Thanks to our fast and reliable delivery and the partly highly complex production machines, we can supply our customers all over the world with suitable mechanical seals in various sizes. Fast and reliable delivery is also one of our virtues and is constantly praised by our customers.


Our products

Exhibition Schedule

Let's meet in person

ProPak Asia Bangkok, 20.10 - 23.10.2020
Hannover Messe, 12.04 - 16.04.2021
Drinktec Munich, 04.10 - 08.10.2021

Exhibition Schedule

Download Center

Brochures, leaflets and product data sheets

In our download center you can download detailed product information or data sheets in PDF format.

Download Center


billi seals - perfect quality

Take a look to our download center and check our detailed product program. Perfect Quality - billi seals!

Download Center

Mechanical Seals

Mechanical Seals are often used in compessors, pumps and similar machines to prevent gas or fluids from escaping.


Through billi's innovations a good alternative to Mechanical Seals - Cost-effective, time-feasible and efficient with little technical effort.

Cut Gaskets

These seals are used in different applications and are washers, rings or frames which are adapted to the width of the sealing surface.

Spiralwound Gaskets

By flexibility and durability ideally suited for applications in high temerature and pressure in the chemical and petrochemical industry.

PTFE Gaskets

PTFE - generally also known als e.g. TeflonĀ® is characterized by a exeptionally good chemical resistance. (pH 0-14)

O - ring seals

Our O - rings are distinguished, depending on the material , by high thermal stability and perfect chemical resistance.

billi seals & gaskets

More than just Seals

Further sealing technology from our production

Over the years, we have constantly expanded and improved our production and our capabilities to meet the demands of the market and our customers more and more. For example, at Billi Dichtungstechnik GmbH we also produce flat gaskets, spiral wound gaskets, PTFE gaskets, graphite gaskets and O-rings in a wide range of sizes and variants for our customers. So with us you benefit from the large selection and high quality of sealing technology, but also from our reliable shipping thanks to complex warehousing.

Large and optimally sorted warehouse to your advantage

We at Billi Dichtungstechnik GmbH not only offer our customers reliable production according to customer requirements, but can also deliver many requests in standard designs quickly and reliably, even thanks to our comprehensive stockkeeping. The central warehouse contains the largest part of our production in sufficient quantities to be able to meet the wishes and requirements of our customers as quickly as possible. Please bear in mind, however, that we cannot keep every component and every variant and size permanently in stock. We will be happy to inform you whether the sealing technology you require is kept in stock in our warehouse and will otherwise produce the required parts for you promptly. A fast and reliable delivery in the desired high quality is a matter of course at Billi Dichtungstechnik GmbH. We ship to more than 70 countries all over the world and are therefore able to assist you with our products in the most diverse areas of application in a helpful and reliable manner.

Nearly 30 years of experience and competence

Our company was founded in 1991 and can therefore draw on almost 30 years of experience in production for our customers and partners. Thanks to the constant improvement and further development of our production and, above all, thanks to the investment in our employees, we offer our customers concentrated competence in the field of sealing technology for a wide range of industries.


Professional advice from our experts

In the field of sealing technology, there are many different standards that must be met. Therefore, many of our customers are overstrained with the different requirements and material properties. For this reason we are pleased to offer our customers professional advice from our experts. Our flexible production adapts to the customer's requirements, so that we can offer tailor-made solutions in the field of sealing technology. We would also be pleased to inform you about these possibilities in a personal meeting. You also benefit from our high quality standards, as each product from our company is individually checked and approved. After all, modern sealing technology must be able to withstand the highest demands and provides safety in many different areas of application.

Are you interested in our quality products? Give us a call or contact us through our contact form.