Description:Seals and rings provide an effective seal between system components functioning under a wide range of operating conditions. They are designed using the right combination of material and shape to deliver the performance you expect for your application.Attributes:Cat® Seal Rings are made of a various materials including rubber, energized rubber, and plastic. These seals are capable of handling the most aggressive pressure and speed applications. From the seal ring geometry to the finish and heat treatment of mating surfaces, all aspects of the sealing system are engineered to work together, resist wear and provide reliable performance.Protect your investment with Genuine Cat® Seals.