Oil seals play a crucial role in machinery by preventing lubricants from leaking and keeping contaminants out. This Q&A format will help clarify different types of oil seals and their materials.
TC oil seals, or Triple-lip seals, are designed to provide excellent sealing solutions for rotating shafts. The three lips create barriers against contamination from dirt and moisture, while their durable construction prevents lubricant leakage. They are commonly used in automotive and industrial applications.
TG oil seals refer to two-lip seals that are designed to work under conditions where the oil is under pressure. The seal consists of two lips that provide efficient sealing of lubricants while blocking contaminants. TG seals are often used in gearbox applications due to their capability to handle high pressures.
SC oil seals are specifically designed for heavy-duty applications. They typically feature a single lip design, combined with a rubber or elastomeric material that allows for good flexibility and adaptability. SC seals are often used in hydraulic cylinders and industrial machinery where high temperatures and pressures are involved.
NBR, or Nitrile Butadiene Rubber, is a synthetic rubber that offers excellent resistance to oil, fuel, and other chemicals. NBR oil seals are preferred in applications involving petroleum-based lubricants due to their durability and longevity. They also provide good resistance to wear, making them suitable for various automotive and industrial applications.
FKM stands for Fluoroelastomer, a synthetic rubber known for its outstanding resistance to high temperatures, oils, and chemicals. FKM oil seals are commonly used in extreme conditions where standard rubber seals may fail. Their exceptional performance makes them suitable for aerospace, automotive, and chemical processing industries.
Choosing the right oil seal depends on several factors, including the application environment (temperature, pressure, and type of lubricant), the speed of the rotating components, and the level of contamination in the area. It’s essential to consult manufacturer guidelines or resources to determine the best seal type for your needs.
To maintain oil seals effectively, ensure that installation is done properly to prevent damage to the seals. Regularly inspect the seals for signs of wear or leakage, and replace them as necessary. Keeping the surrounding area clean can also help extend the life of oil seals by eliminating potential contaminants that could wear them down.
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