6" to 12" ID X 0.210" (5.33mm) C/S Vulcanized Fluorocarbon FKM O-Rings Black

Spliced & Vulcanized 75 Durometer Black Viton® (FKM) O-Ring – Custom Sizes Made Easy

Solve your unique sealing challenges with The O-Ring Store LLC’s Spliced & Vulcanized Viton® (FKM) O-Rings. When standard molded O-Rings don’t fit the application or lead times are too long, our custom vulcanized O-Rings deliver fast, flexible, and reliable sealing solutions. Expertly crafted from extruded O-Ring cord and vulcanized for a near seamless finish, these O-Rings are available in custom sizes and dimensions to meet the most demanding requirements.

Key Features & Benefits

1. Custom Sizes and Flexible Solutions:
   • Made to your exact inner diameter (ID) and cross-section specifications.
   • Available in both inch and metric sizes to ensure the perfect fit for your application.
   • Ideal for oversized, non-standard, or hard-to-find O-Ring sizes.
2. Fast Turnaround Times:
   • Up to 24 O-Rings: ~2-5 days.
   • 25-100 O-Rings: ~5-10 days.
   • 100+ O-Rings: ~10-15 days.
3. High-Quality Vulcanization Process:
   • Crafted from Viton® (FKM) 75 Duro O-Ring cord, vulcanized for superior sealing performance.
   • Inspected using the Olypsys® Large Format Grid for accuracy on sizes under 48", ensuring precision and reliability.
4. Temperature and Chemical Resistance:
   • Temperature Range: -20°F to +400°F (-29°C to +204°C) for versatile performance in extreme environments.
   • Excellent resistance to superior resistance to high temperatures, harsh chemicals, and aggressive fuels..
   • Good tensile strength, abrasion resistance, and dimensional stability.
5. Application Flexibility:
   • Suitable for dynamic and static sealing in hydraulic and pneumatic systems.
   • Works effectively in pumps, valves, motors, cylinders, and other industrial equipment.
   • Great for general-purpose and chemical resistant sealing, making it one of the most versatile elastomers available.

Applications

• Hydraulics and Pneumatics: Motors, cylinders, and pumps.
• Petroleum Industry: Seals for oils, fuels, and lubricants.
• Industrial and Commercial Equipment: Gasketing, static and dynamic sealing solutions.
• Water Systems: Cold water sealing and applications involving silicone greases or oils.
• Maintenance and Repair Operations (MRO): Ideal for custom solutions in emergencies or quick replacements.

Limitations

While Buna-N/Nitrile offers outstanding performance in most conditions, it is not recommended for:

• Strong acids or ozone exposure.
• Ketones (e.g., acetone, MEK) and halogenated hydrocarbons (e.g., carbon tetrachloride).
• Phosphate ester hydraulic fluids (Skydrol) and automotive brake fluids.
• Nitro hydrocarbons and aromatic hydrocarbons.

Technical Specifications

Why Choose The O-Ring Store LLC?

We’re not just a supplier—we’re your partner in sealing solutions, providing unmatched value-added services and quality:

1. ISO9001:2015 Certified: Ensures consistent quality and compliance with industry standards.
2. Expert Technical Support: Assistance with sizing, material selection, and application recommendations.
3. Custom Sizing Made Simple: No need to wait for molded sizes—our vulcanized O-Rings provide fast, accurate results.
4. Precision Quality Control: All O-Rings under 48" are inspected using Olypsys® Large Format Grid Measuring Systems for guaranteed accuracy.
5. Fast Turnaround Times: Get the O-Rings you need—quickly and efficiently.
6. Sustainability Focused: Custom sizing reduces waste and improves efficiency.
7. Advanced Tools: Use our O-Ring Cord Cut-Length Calculator for exact measurements and easy ordering.

Experience the Difference

At The O-Ring Store LLC, “We make getting O-Rings easy!” Whether you need a single vulcanized O-Ring or a bulk order, we’re ready to deliver fast, high-quality solutions tailored to your requirements. Our spliced and vulcanized Buna-N 70 O-Rings provide the reliability, durability, and flexibility needed to keep your operations running smoothly.

Order today or contact us for a quote! Let us help you tackle your sealing challenges with precision, performance, and personalized service.