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News

What are the common production materials for floating oil seals?

  • Author:RVTON-N
  • Release on :2017-02-13

Floating seal of the metal materials are mainly represented by bearing steel carbon steel, cast iron, nickel-chromium alloy cast iron, high chromium molybdenum alloy, tungsten chromium alloy cast iron alloy, nickel-based alloys, etc., will also be appropriate to increase the chromium , Molybdenum, nickel and other elements can effectively improve the strength of the alloy, wear resistance and corrosion resistance, but also increase the cost of raw materials. Therefore, it is also possible to select the most suitable material depending on the actual temperature, speed, corrosion, and maintenance requirements of the equipment.


Floating oil seal commonly used materials are: nitrile rubber, fluorine rubber, silicone rubber, acrylic rubber, polyurethane, PTFE and so on. When selecting a floating seal material,The compatibility of the material to the working medium, the adaptability to the working temperature range and the ability of the lip to follow the high speed rotation of the rotary shaft. The temperature of the lip of the oil seal is higher than the working medium temperature of 20-50 ℃, In the choice of materials this point is worthy of attention.