The use of rubber o-rings is found today in virtually every
industry. From construction machineries to scientific equipment and devices,
to food and pharmaceuticals and more, the mechanism of sealing is made
possible by the use of the rubber o-rings.
Rubber o-rings are widely used in hydraulic and pneumatic actuators,
automotive manufacturing, the semi-conductor manufacturing industries, food
and drugs, medical industries and more.
The manner of installation of the o-ring within the mechanical mounting
partly determines its design and selection. Under compression, a measured
amount of pressure is placed on the o-ring as it seats against the surface
of contact within the mounting. As long as the fluid that is contained does
not exert a stress that is greater than the stress at the position of
contact of the o-ring, fluid leakage will be prevented.
Rubber o-rings are made of materials that are extremely incompressible, and
serves as an excellent pressure transfer medium for the fluid contained. Any
rise in pressure from the fluid contained is subsequently transferred,
resulting in an increase in pressure at the contact point of the o-ring.
This action allows the o-ring to maintain sealing integrity at elevated
pressures.
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