What is an O-Ring ?, What is an O-Ring Seal ?

An O-ring is a torus, or doughnut-shaped ring, generally molded from an elastomer, although O-rings are also made from PTFE and other materials.

X-Ring Seals, Quad® Ring Seals & Low Friction Seals

Low friction seals for O-ring housings - Epidor SRT

What about the Advantages and disadvantages of O-Ring Seals

Valve Base O-ring Seal - Available from Bowen Products

O-Rings? O-Yeah! How to Select, Design, and Install O-Ring Seals

Difference Between 'O' Ring and Gasket

Gasket vs. O-Ring: Differences and Common Applications - Mercer

How O-Ring Failure caused NASA's shuttle to Blast ?

What is an O Ring? What are O-Rings Used For?

Different types of O-ring applications – Northern Engineering