Rubber O-Ring

Definition - What does Rubber O-Ring mean?

A Rubber O-Ring is a rubber mechanical gasket that is used to seal two or more mechanical equipment parts. These types of rings are made up of industrial quality rubber such as HNBR and NBR. They have the shape of torus, and a loop of elastomer with a rounded cross section. The rings are usually seated on a groove on the edges of two equipment parts that need to be joined with a high-end sealing.

Petropedia explains Rubber O-Ring

Rubber O-rings can be used either in the static or dynamic applications where there is relative motion between the joining parts. For example, they can be used in rotating pump shafts and hydraulic cylinder pistons. These rings are important parts in any mechanical equipment as they provide a permanent and tight seal between two metal parts. Apart from this they are easy to manufacture, cost-efficient, easily available in the market, reliable and can be simply mounted on a seal slot provided on the parts. One good property of such seals is that they can seal thousands of psi pressure.

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