PTFE Washers ISO 7093 / DIN 9021 From Bülte
An Excellent Choice For Safety, Stabiliy and Quality: Teflon Washers
September 21, 2023Since June 2023, Bülte has included the ISO 7093 / DIN 9021 PTFE washer in its product catalog. This standardized flat washer, also available from Bülte in natural nylon, 30% glass-fibre reinforced PA and PP, is similar to DIN 9021, the German Standards Institute (Deutsches Institut für Normung) technical specification for large diameter washers.
Now, the popular DIN 9021 washer is also manufactured from PTFE (Polytetrafluoroethylene), commonly known under the brand name Teflon. This high-performance plastic is renowned for its resistance to high temperatures, chemicals and corrosion, making it an excellent choice for demanding applications.
Applications for PTFE washers
If you are searching for DIN 9021 Teflon washers, you likely require them for specific industrial applications. Thanks to their unique material properties, PTFE washers are especially valuable in environments where standard materials may fail. Key advantages include:
- Chemical industry: Resistant to aggressive chemicals, ensuring reliable use in processing equipment.
- Food and pharmaceutical industry: Non-stick, corrosion-resistant and hygienic, ideal for machinery in regulated environments.
- Electrical and electronics industry: Effective as electrical and thermal insulators in sensitive components.
- High-temperature applications: Capable of withstanding extreme heat where other plastics degrade.
- Automotive industry: Reliable in engines and transmission systems due to resistance to heat and corrosion.
- Valves and piping: Suitable for sealing and load distribution in fluid systems.
- Aerospace industry: Lightweight and durable, performing well under extreme temperature fluctuations.
- Marine applications: Corrosion-resistant, ideal for offshore platforms and marine equipment.
Conclusion: DIN 9021 PTFE washers provide a versatile and durable solution for improving reliability, stability and longevity of mechanical joints. Widely used across industries, these Teflon washers ensure optimal load distribution and help prevent fasteners from loosening, even under the toughest operating conditions.