Composite (metal-reinforced) materials provide some of the strongest heat and pressure resistance (as far as gaskets go) in the market today. Depending on the type of material chosen, they can seal at a wide range of temperatures and pressures. Gaskets are by far the most versatile seal, with different shapes, materials, coatings, methods, etc. These typically require a flat flange and a bolted joint. When you move away from engineered seals like O-rings, the next technology to use in the sealing family is a gasket. Here is a short list of some of the more common places where you would find them. O-rings are known for their ability to seal extremely high pressures. Infinite formulas can be made to address specific sealing situations. These profiles can be various shapes and the polymer (type of rubber) can also vary greatly. An O-ring is a precisely molded shape with a specific profile to fit into a specific channel or groove. If you are envisioning a rubber ring, you are right! However, they aren’t quite that simple. Today, we thought we’d dig a little deeper into gasket vs. How well do you understand the differences between O-rings and gaskets? Can you readily identify situations where each type of seal should be used? There are specific situations where each technology is needed because they are designed for completely different conditions.
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