Seal Profile/Gasket

A seal profile or gasket is a manufactured mechanical seal designed to fill the space between two or more mating surfaces, typically under compression, to prevent leakage from or into the joined objects while under pressure. In industrial sealing mechanisms, these components are critical for maintaining system integrity by blocking the passage of liquids, gases, or particulates. They accommodate surface irregularities, thermal expansion, and mechanical vibrations through elastic deformation, ensuring reliable performance in dynamic operating conditions.

The working principle relies on creating a physical barrier through compression between mating surfaces. When installed, the gasket material deforms elastically or plastically to fill microscopic imperfections and gaps. This deformation generates a sealing force that exceeds the internal pressure of the system, preventing fluid migration. The seal maintains contact through continuous compressive load, with materials selected to resist chemical attack, temperature extremes, and mechanical stress while maintaining seal integrity over the component's service life.