SKF mechanical seal device and analysis

Source: Bearing network time: 2013-06-17

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The SKF mechanical seal consists of two identical seal rings and two similar nitrile rubber Belleville washers. The seal ring is made of wear and corrosion resistant and steel; the sliding and sealing appearance with precision finish. Sealing the thin oil; such as SAE 10W40 oil. The beryllic rubber of the nitrile rubber (the cup-shaped spring) provides the necessary uniform surface loading and excellent sealing between the inner and outer diameters. The shape of the inner hole of the device changes; there is no special need for external surface finish.
The SKF mechanical seal is supplied to the user as a gland assembly for the ready-to-install device. A special retaining ring holds the outer surface of the seal ring together. This not only facilitates the device; it also protects the seal from damage. The retaining ring is behind the device. Save in place; provide additional protection for the sliding surface during initial operation. It will wear out slowly.
These mechanical seals can be used at relatively low peripheral speeds under strict operating conditions. They can be used to prevent the intrusion of solid and liquid contaminants; together with the lubricant, no leakage. Such seals were originally non-traffic. Developed for both traveling and crawler vehicles; however, we now know that it is equally suitable for other applications where sand, soil, water, etc. are required. These include: all types of mixers; sand disposal equipment; transporters and other construction equipment. Agricultural machinery; scrubbing equipment; mills and other grinding equipment; mineral processing equipment; and mining equipment.
The device device mechanical seal does not require special tools. For the convenience of the device; it is claimed that the inner hole of the bearing housing should have a chamfer repair kit for guiding entry. Some repair occasions need to save the sealing ring and only replace the gasket; thus the kit includes a replacement gasket; In the meantime, it contains the device clarification and two pieces of lint-free cloth used to wipe the sealing ring in the original seal.

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