Gasket vs O-Ring: Which One to Choose?
Both gaskets and O-rings serve a similar purpose-sealing liquids or gases in a specific application. However, these two types of seals differ greatly in appearance and are designed for different environments. When choosing a seal for your application, how do you know if a gasket or O-ring is right for you? Here are the key differences between gaskets and O-rings that you need to consider. O Ring What is an O-Ring? O-rings, also known as packing joints, are mechanical seals consisting of a round elastomeric material. They are designed to create a pressure-resistant sealing mating surface. In fact, some O-rings can withstand pressures in excess of 5,000 pounds per square inch (PSI). Even under extreme pressure, O-rings maintain their integrity while preventing liquids, gases or air from escaping the corresponding components used with them. Although they are available in a variety of sizes, all O-rings are identical in shape. They consist of a ring-shaped elastomeric material wi