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News

Floating seal application range

  • Author:Alice
  • Release on :2019-07-11
The floating seal is used in the planetary reducer of the walking part of the construction machinery to dynamically seal the end face of the component. Due to its high reliability, it is also used as the dynamic seal of the output shaft of the dredger bucket wheel. Such seal is a mechanical seal, generally made of ferroalloy. The material's floating ring and the matching nitrile rubber O-ring seal. The floating ring is used in pairs, one rotates with the rotating part, and one is relatively static, which is very different from the oil seal ring. The sealing principle of the floating oil seal is that the two floating rings are deformed by the axial compression after the O-ring seal, and the pressing force is generated on the sealing end face of the floating ring. With the uniform wear of the sealing end face, the O-shaped sealing ring The stored elastic energy is gradually released, thereby playing an axial compensation role. The sealing surface can maintain a good fit within a set time, and the general sealing life is above 5000h.


The floating oil seal is a special type of mechanical seal. It is a compact mechanical seal developed to adapt to the harsh working environment. It has strong anti-pollution ability, wear resistance, impact resistance, reliable work, and automatic end face wear. Compensation, simple structure, etc., is the most common application in engineering machinery products. It is also widely used in various conveyors, sand processing equipment and concrete equipment. In coal mine machinery, it is mainly used for sprocket of scraper conveyor, decelerating. And the shearing mechanism of the shearer and the rocker arm, roller, etc. This kind of sealing products are more common and mature in engineering machinery equipment application.