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News

Application of floating oil seal in coal mine machinery

  • Author:Alice
  • Release on:2020-06-28
In the mechanical seal industry, the floating oil seal is a very widely used mechanical seal. It has good resistance, wear resistance, and corrosion resistance. It has super strength in harsh working environments such as coal powder, sediment, water vapor, etc. Sealing performance is the most commonly used mechanical seal in coal mine machinery.


The reason why the floating oil seal can be widely used in coal mine machinery has a great relationship with its structural characteristics and sealing principle. When sealing, there is a certain gap between the floating ring inside the floating oil seal and the rotating shaft, which can float freely, and only floats in radial slip, and does not rotate with the rotating shaft. Under the action of gravity, it can maintain a certain eccentricity with the center of the shaft . When the rotating shaft rotates, the sealing liquid will form an oil film in the gap between the floating ring and the rotating shaft, which has a good sealing effect on the leakage of the fluid medium.


Due to the unique sealing principle of the floating oil seal, it is suitable for the sealing of flammable, explosive, toxic and precious gas media, which can achieve no leakage to the atmospheric environment, good sealing effect, stable and reliable performance, and is widely used in coal mine machinery.