Products
Elastomers
FKM ED RING
Product Overview
The FKM ED Ring is an advanced sealing solution designed for demanding industrial applications requiring high temperature resistance, excellent chemical compatibility, and long-term sealing performance. Made from premium fluoroelastomer (FKM / Viton®), this ED‑profile seal delivers reliable performance in harsh environments where conventional elastomers fall short.
Why Choose FKM ED Rings
Exceptional High Temperature Performance
FKM elastomer is known for its excellent heat resistance, maintaining material integrity in continuous operation up to approximately +200°C or higher depending on grade. This makes FKM ED Rings ideal for high temperature process sealing in chemical processing, petrochemical, oil & gas, and thermal systems.
Superior Chemical Compatibility
Thanks to its fluorocarbon polymer chemistry, FKM offers excellent resistance to a wide range of aggressive media including:
Mineral and synthetic oils
Fuels and hydrocarbons
Most solvents
Hydraulic fluids
Many chemical processing media
This makes FKM ED Rings a strong choice for industrial, automotive, chemical and oil & gas applications where chemical exposure is severe
Excellent Aging & Weather Resistance
FKM has inherent resistance to ozone, oxygen, and environmental aging, ensuring the ED Ring continues to seal reliably over long service lifetimes with minimal deterioration.
Material Properties and Benefits
| Feature | FKM ED Ring |
|---|---|
| Material | Fluoroelastomer (FKM / Viton®) |
| Typical Temperature Range | -20°C to +200°C |
| Chemical Resistance | Excellent for oils, fuels, solvents |
| Compression Set | Low |
| Weathering Resistance | Excellent |
| Application Type | Static / Low dynamic sealing |
| Standard | DIN 3869 ED Ring |
Typical Industry Applications
ED Rings made from FKM are commonly used in:
Pipe and fitting seals (axial static sealing)
Hydraulic valve connections
Industrial machinery and factory equipment
Chemical process systems
Oil & gas pipeline fittings
High temperature equipment requiring reliable static sealing
Threaded and compression fittings in aggressive environments
Common Problem
What standards do ED Rings follow?
Most ED Rings are manufactured according to the DIN 3869 standard, ensuring compatibility with standard threaded pipe fittings and reliable sealing performance.
Can you provide customized sizes or materials?
Yes. Kaflon provides customized ED Rings in different sizes, materials, and hardness levels to meet specific application requirements.
Are samples available?
Yes, free samples are available for standard sizes so customers can test the sealing performance before placing bulk orders.
What industries use FKM ED Rings?
Oil & Gas industry
, Chemical processing
, Hydraulic systems
, Industrial machinery,
Automotive and pipeline connections
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