FKM (Viton®) O-Rings

FKM (Viton®) O-Rings Manufacturer & Supplier

FKM (Viton®) O-Rings are high-performance fluorocarbon elastomer sealing solutions designed for applications requiring excellent oil resistance, chemical compatibility, and high temperature stability. We manufacture and supply FKM O-Rings for industrial and OEM sealing applications worldwide.

FKM O-Ring Material Properties

  • Temperature range: -20°C to +200°C (short-term higher)
  • Excellent resistance to oils, fuels, and lubricants
  • Good chemical and solvent resistance
  • Low compression set
  • Available hardness: 70 / 75 / 90 Shore A

Advantages of FKM (Viton®) O-Rings

  • Suitable for high temperature sealing environments
  • Long service life in aggressive media
  • Stable sealing performance under pressure

Common Applications

  • Hydraulic and pneumatic systems
  • Oil & gas equipment
  • Automotive engines and fuel systems
  • Pumps, valves, and compressors
  • Industrial machinery

Available Standards & Sizes

  • AS568 (Inch sizes)
  • ISO 3601 (Metric sizes)
  • DIN 3771 (Metric sizes)
  • Custom sizes supported

FKM vs NBR O-Rings

Compared to NBR O-Rings, FKM O-Rings offer superior high temperature and chemical resistance, making them suitable for more demanding sealing environments. However, NBR remains a cost-effective choice for general oil-resistant applications.

Custom FKM O-Rings

We provide custom FKM O-Rings with specific compounds, hardness, colors, and tight dimensional tolerances to meet your exact sealing requirements.

Request a Quote for FKM O-Rings

Send us your size, standard, material requirements, and application details. Our engineering team will respond within 24 hours.