Custom Viton seals are essential components in many industries that require high-performance sealing solutions capable of withstanding extreme conditions. Known for their durability and chemical resistance, these seals are often tailored to meet the specific demands of various industrial applications.

What Are Viton Seals?

Viton is a brand of fluoroelastomer developed by DuPont (now part of Chemours), widely recognized for its exceptional resistance to heat, chemicals, and fluids. This synthetic rubber and fluoropolymer elastomer is particularly well-suited for harsh environments where traditional rubber materials would quickly degrade.

Viton seals are fabricated into various forms such as O-rings, gaskets, lip seals, and diaphragms. The term "custom Viton seals" refers to seals that are engineered to meet unique size, shape, material, or performance specifications required by specific equipment or applications.

Why Choose Custom Seals?

Custom Viton seals are designed with precision to ensure optimal performance in specialized equipment. Customization may involve:

• Specific dimensions and tolerances

• Unique geometric configurations

• Particular hardness (durometer) levels

• Compliance with regulatory standards such as FDA or aerospace grades

• Integration with other materials such as bonded metals

This level of customization ensures a perfect fit and function in applications where standard off-the-shelf seals may not suffice.

Key Performance Characteristics

Viton seals are selected for their superior properties, which include:

High Temperature Resistance
Viton performs reliably in temperatures up to 400°F (204°C) for extended periods and can tolerate even higher temperatures in short bursts, making it ideal for thermal-intensive environments.

Outstanding Chemical Resistance
It offers excellent protection against a wide array of substances, including oils, fuels, lubricants, and many mineral acids. This makes Viton an optimal choice for chemical processing and fuel systems.

Low Compression Set
Viton seals retain their shape and sealing ability even after prolonged compression, ensuring long-term sealing effectiveness under pressure.

Weather and Ozone Resistance
Viton resists degradation from outdoor exposure, ozone, and UV light, which is critical for aerospace and outdoor industrial applications.

Common Industry Applications

Custom Viton seals are utilized across various sectors, including:

Automotive
Used in fuel system seals, transmission components, and turbocharger gaskets, where resistance to fuels and high temperatures is essential.

Aerospace
Applied in hydraulic systems and fuel line sealing due to its ability to endure extreme flight conditions and pressures.

Chemical Processing
Ideal for environments involving aggressive chemicals, solvents, and acids, ensuring safety and durability.

Oil and Gas
Used in high-pressure, high-temperature (HPHT) environments for downhole and surface applications.

Pharmaceutical and Food Processing
Available in FDA- and USP Class VI-compliant grades for applications requiring hygienic and safe sealing materials.

When to Use Custom Viton Seals

Custom Viton seals are recommended when:

• The application involves exposure to high heat or aggressive chemicals.

• Equipment demands a precise seal that standard products cannot provide.

• A long-lasting, reliable sealing solution is required for continuous operation.

• Regulatory compliance for material composition is necessary.

Conclusion

Custom Viton seals provide a versatile, durable, and reliable sealing solution across a range of demanding applications. Their ability to withstand extreme conditions while maintaining performance makes them a preferred choice for industries that cannot afford failure in sealing integrity. Whether in automotive, aerospace, chemical, or pharmaceutical environments, Viton seals offer the customization and performance needed to meet stringent operational requirements.