replacing seals on a hydraulic cylinder

Wiper oil seals, commonly referred to as lip seals or simply oil seals, are mechanical seals used to keep lubricants in and contaminants out of machinery. They are typically made from durable materials such as rubber or elastomers, designed to withstand high pressures and temperatures. The primary function of these seals is to maintain a barrier that prevents the escape of oil, while also preventing dirt, dust, and other contaminants from infiltrating the system.

One of the primary characteristics of high temperature oil seals is their ability to maintain flexibility and resilience at elevated temperatures. Traditional rubber seals may become brittle and lose their sealing capabilities when exposed to heat. In contrast, high temperature oil seals retain their mechanical properties, ensuring that they continue to perform their sealing function effectively even in harsh conditions. Typically, these seals can withstand temperatures ranging from 150°C to over 300°C, depending on the specific material used.

1. Fluid Leaks The most obvious indication that a hydraulic seal needs replacement is the presence of hydraulic fluid leaking from the system. Any visible fluid outside of the designated compartments is a red flag.

Materials Used in High Temperature Shaft Seals

2. Design Variety These seals come in different designs, such as lip seals, mechanical seals, and cartridge seals, each suited for specific applications and performance requirements.