Viton O - Rings

Approx. Rs 20 / PieceGet Latest Price

Rubber O-rings are toroidal elastomeric sealing devices designed to prevent fluid or gas leakage between two mating surfaces under static or dynamic conditions. Here's a breakdown of their technical details:

*Materials and Properties*

- *Nitrile (Buna-N)*: Resistant to petroleum fluids, with a temperature range of -40F to 257F (-40C to 125C). Commonly used in hydraulic systems.
- *Fluorocarbon (Viton)*: Offers high chemical resistance and temperature range of -13F to 446F (-25C to 230C). Suitable for high-temperature applications.
- *Ethylene-Propylene (EPDM)*: Excellent resistance to weather, ozone, and steam, with a temperature range of -50C to 150C (-58F to 302F). Used in automotive, plumbing, and HVAC systems.
- *Silicone*: Popular for food and medical applications, with a temperature range of -85F to 400F (-65C to 204C).
- *Fluorosilicone*: Low outgassing, used in military and aerospace applications, with a temperature range of -75F to 400F (-59C to 204C) ¹ ².

*Design Considerations*

- *O-Ring Sizing*: Standard sizes follow AS568 and ISO 3601 protocols, ensuring precise dimensional tolerances.
- *Gland Design*: Critical for optimal O-ring performance, with considerations for static and dynamic sealing applications.
- *Tolerances and Surface Imperfections*: Important for maintaining seal integrity ³ ¹.

*Applications*

- *Automotive*: Used in engines, fuel systems, and HVAC systems.
- *Industrial*: Found in plumbing, compressors, and hydraulic systems.
- *Food and Beverage*: Require FDA-certified materials like silicone.
- *Aerospace*: Utilize specialized materials like fluorosilicone ⁴ ².

*Specifications and Certifications*

- *AS568 and ISO 3601*: Standardized dimensional parameters for O-rings.
- *Material Certifications*: FDA, food-grade, and other certifications depending on application ¹.