An O-ring is a type of mechanical gasket or seal in the shape of a torus, or a doughnut-like loop. It is typically made of elastomers, such as rubber or silicone, which have excellent sealing properties. The name "O-ring" comes from the shape of the seal, which resembles the letter "O."
O-rings are used in a wide range of applications to create a leak-proof seal between two mating surfaces. They are commonly used in hydraulic and pneumatic systems, engines, pumps, valves, and other mechanical systems. O-rings work by being compressed between the two surfaces, creating a barrier that prevents the leakage of fluids or gases.
The main advantage of O-rings is their ability to provide an effective seal even under high pressure or in dynamic applications where there is movement or vibration. They are relatively simple and cost-effective sealing solutions that can withstand a wide range of temperatures and chemical exposures, depending on the material used.
O-rings come in various sizes and materials, allowing them to be tailored to specific applications. They are typically selected based on factors such as the operating environment, temperature range, pressure requirements, and compatibility with the fluids or gases being sealed.
Overall, O-rings are widely used in many industries due to their versatility, reliability, and ease of installation.
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