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.

O-Rings Arai Seisakusho Co., Ltd.

eFunda: Introduction to O-Rings

What is a Hydraulic O-Ring and How are They Used?

O-Rings: An Effective, Simple and Versatile Sealing Solution

HydraPak Seals: Products > O-Rings > Size Dimensions

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17627: Buna-N Double-Seal O-Ring

What is an O ring: materials and operation

Parker O-Ring Handbook ORD PDF Free Download