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oil seal
(redirected from shaft seal)

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oil seal

 or shaft seal

In machines, a device that prevents the passage of fluids along a rotating shaft. Seals are necessary when a shaft extends from a housing (enclosure) containing oil, such as a pump or a gearbox. Leather, synthetic rubber, and silicones are among the materials used for the sealing ring. See also bearing.


oil seal [′ȯil ‚sēl]
(engineering)
A device for preventing the entry or return of oil from a chamber.
A device using oil as the sealing medium to prevent the passage of fluid from one chamber to another.


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The use of a front-loaded shaft seal in a design in which the pipe couplings are mounted on the pump housing means there is no need to disconnect or remove the pump for inspection or maintenance.
The use of front-loaded shaft seal in a design in which the pipe couplings are mounted on the pump housing means there is no need to disconnect or remove the pump for inspection or maintenance.
Straight radial or radial tipped blade designs, 304L or 316L stainless steel construction and special shaft seals are often employed.
 
 
 
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