A gas seal is a type of mechanical seal designed to prevent gas leakage between rotating and stationary components, typically in compressors, turbines, and pumps. Unlike traditional liquid seals, gas seals use a thin film of gas—often air or nitrogen—as the sealing medium, which minimizes friction, reduces wear, and enhances efficiency. These seals play a critical role in maintaining system pressure, preventing contamination, and ensuring safe, reliable operation in high-speed, high-temperature environments. Gas seals are widely used in industries such as petrochemical, aerospace, and power generation, where precision and reliability are essential.
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