The sealing component identified by code number K 11825 is designed specifically for the blind flange K 11816 in the Sulzer ZV40/48 diesel engine, produced under Adriadiesel/Jugoturbina/Zgoda licensing. Its function is to ensure an airtight and pressure-resistant seal that prevents leaks of gases or fluids at flange terminations. Constructed from heat- and pressure-resistant materials, this seal is essential for maintaining engine safety and operational efficiency, especially in high-stress marine or industrial environments. Timely replacement during routine maintenance ensures continued integrity and protection of surrounding engine components.