Mechanical seals are devices used to prevent fluid leakage in rotating equipment, such as pumps and compressors. They consist of two main components: a stationary part and a rotating part. These components create a tight seal between the moving and stationary parts of the machinery, ensuring that fluids remain contained and do not escape into the environment. These seals are essential in various industries, including oil and gas, chemical processing, and water treatment. By minimizing leakage, mechanical seals help improve efficiency, reduce maintenance costs, and enhance safety in operations. Proper selection and installation of mechanical seals are crucial for optimal performance.