Oilseals

There are several types of oil seals, each designed for specific applications and operating conditions. Some common types include:

  • Single Lip Oil Seal: This is the most basic type of oil seal, consisting of a single sealing lip that makes contact with the shaft to prevent oil leakage. It is suitable for low to moderate pressure applications.

  • Double Lip Oil Seal: Similar to the single lip seal, but with an additional lip that provides enhanced sealing performance, particularly in applications where higher pressures or more aggressive fluids are present.
  • Spring-Loaded Oil Seal: These seals feature a spring-loaded lip that maintains constant contact with the shaft, ensuring effective sealing even under fluctuating pressures or shaft movements. They are commonly used in dynamic applications.
  • Mechanical Face Seal (Floating Face Seal): Also known as floating face seals or duo-cone seals, these seals consist of two mating metal rings with precision-ground sealing surfaces. They are primarily used in heavy-duty applications such as construction equipment and mining machinery, where they provide superior sealing performance and durability.
  • Rotary Shaft Seal (Radial Shaft Seal): Designed to seal rotating shafts, these seals typically feature a rubber lip or sealing element that makes contact with the shaft surface. They are widely used in automotive, industrial, and aerospace applications to prevent the leakage of oil or grease.
  • V-Ring Seal (V-Seal): This type of seal features a flexible rubber or elastomeric ring with a V-shaped cross-section. It is designed to provide effective sealing on rotating or stationary shafts, as well as in housings or bearings with limited space for traditional oil seals.
  • Labyrinth Seal: Labyrinth seals consist of multiple interlocking fins or ridges that create a tortuous path for fluid leakage. They are often used in high-speed rotating applications, such as gearboxes and turbines, to minimize oil leakage and contamination.
  • Cassette Seal: Cassette seals are preassembled units that combine multiple sealing elements into a single housing or cartridge. They offer convenient installation and replacement, making them ideal for applications where maintenance efficiency is critical.