
Manufacturer of special seals, PTFE products, gland packings and mechanical seals for industry and mechanical engineering.

HECKER WERKE GmbH
Weil im Schönbuch (DE)New on Amplifa
About HECKER WERKE
The HECKER WERKE GmbH, headquartered in Weil im Schönbuch near Stuttgart, is a fourth-generation family business that has been developing and manufacturing seals and friction elements for over 120 years. The product portfolio includes GSM® seals and molded parts, EURAFLON® PTFE products, polyurethane products, gland packings made from natural, synthetic and inorganic fibers as well as AEGIRA® mechanical seals for rotating shafts. The compounds for the elastomer products are developed and produced in-house; under the HECKER SCIENCE® brand, the company also offers research, development and design of components and special solutions. The focus is on manufacturing small and medium-sized series with individual custom seals alongside standard products. Customers come from the mechanical engineering, automotive and general industrial sectors.
- Site
- Weil im Schönbuch
- Processes
- Development, production and sales of GSM® seals and molded parts, Manufacture of gland packings, Manufacture of EURAFLON® PTFE products, Manufacture of polyurethane products, Manufacture of AEGIRA® mechanical seals, In-house development and production of compounds, Research, development, design of components and special solutions (HECKER SCIENCE®), Research and development (HECKER SCIENCE®)
- Materials
- GSM® (elastomer compound), PTFE (EURAFLON®), Polyurethane, Natural fibers (gland packings), Synthetic fibers (gland packings), Inorganic fibers (gland packings), GSM® elastomer compounds, EURAFLON® PTFE
- Industries
- Mechanical engineering, Automotive, Industry
- 01
Research & Development (HECKER SCIENCE®)
- 02
In-house compound production
- 03
Production of seals and molded parts
- 04
Design of special solutions
- 05
Sales
Materials & Processes
GSM® elastomer compounds
In-house developed and produced compounds for seals and molded parts in standard and custom versions.
EURAFLON® PTFE
PTFE materials with special property combinations that no other plastic can achieve in this form.
Polyurethane
Environmentally friendly production with short delivery times, even for small and medium-sized series.
Natural, synthetic and inorganic fibers
Base material for gland packings for sealing shaft and rod penetrations.
Locations

Weil im Schönbuch
DEHeadquarters with development and production
- Lot size
- Small and medium-sized series
- Materials
- GSM®, PTFE, polyurethane, fibers
Components





Inside the production


Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Development, production and sales of GSM® seals and molded partsPlastics | – | – | – | small and medium-sized series | GSM® elastomer compounds |
| Manufacture of gland packingsPlastics | – | – | – | – | natural materials, synthetic materials, inorganic materials |
| Manufacture of EURAFLON® PTFE productsPlastics | – | – | – | – | PTFE |
| Manufacture of polyurethane productsPlastics | – | – | – | small and medium-sized series | Polyurethane |
| Manufacture of AEGIRA® mechanical sealsPlastics | – | – | – | – | – |
| In-house development and production of compoundsPlastics | – | – | – | – | – |
| Research, development, design of components and special solutions (HECKER SCIENCE®)Engineering | – | – | – | – | – |
Additional services