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Introduction to Mechanical Seal

Mechanical seals are also called end face seals and are mainly used to seal the rotating shafts of pumps, compressors, hydraulic drives, and other similar equipment. The mechanical seal is a sealing device composed of a pair and several pairs of moving rings and static rings consisting of a plane friction pair.

The mechanical seal is a device that prevents fluid leakage by keeping at least a pair of end faces perpendicular to the axis of rotation under the action of fluid pressure and the elastic force (or magnetic force) of the compensation mechanism and the cooperation of the auxiliary seal to prevent fluid leakage. If the auxiliary seal of the compensation ring is a metal bellows, it is called a bellows mechanical seal.

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