The blind flange K 66144 is a precision sealing and closure component designed for the air inlet casing K 66106 in the Sulzer ZV40/48 engine. Its primary function is to securely close designated openings within the intake air system, maintaining pressure integrity and preventing unwanted air leakage or contamination. Engineered to withstand vibration, thermal expansion, fluctuating pressure conditions, and continuous operational stress, the blind flange is manufactured from durable, corrosion-resistant materials suitable for demanding diesel engine environments. Precision-machined contact surfaces ensure reliable sealing performance and stable assembly integration. The flange also facilitates maintenance and inspection procedures by allowing controlled access points within the air charging system when required. By supporting airtight system integrity and reliable airflow management, the K 66144 blind flange contributes to efficient turbocharging performance, combustion stability, and long-term operational reliability.