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The hose connection, code 135922, is an essential interface component that enables secure and leak-free linkage between flexible hoses and rigid piping systems within the MAN L21/31 engine. Engineered for precise fit and reliable sealing, it ensures efficient transfer of fluids such as cooling water, lubricating oil, or air under varying pressure and temperature conditions. Constructed from high-quality materials resistant to corrosion and mechanical wear, the hose connection maintains its integrity over long service intervals. By providing a dependable connection point and accommodating system flexibility, this component contributes to operational efficiency, system safety, and the durability of the engine installation.

Tuesday, 14 April 2026 11:45

MAN L21/31; Pipe Clamp (Code 550807)

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The pipe clamp, code 550807, is a robust fastening element used to securely fix pipes and tubing within the MAN L21/31 engine installation. Designed to maintain proper routing and alignment, it prevents unwanted movement, vibration-induced fatigue, and potential damage to piping systems carrying fuel, oil, or cooling media. Manufactured from high-strength materials with corrosion-resistant properties, the clamp ensures long-lasting performance even in demanding marine and industrial environments. By providing stable support and reducing mechanical stress on pipelines, the pipe clamp plays an important role in maintaining system integrity, safety, and ease of maintenance.

Tuesday, 14 April 2026 11:42

MAN L21/31; Damper (Code 172369)

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The damper, code 172369, is a critical component designed to absorb and reduce vibrations within the MAN L21/31 engine, thereby protecting key assemblies from dynamic stresses and resonance effects. By mitigating oscillations generated during engine operation, it helps maintain mechanical stability, reduce noise levels, and prevent premature wear of connected components. Engineered with durable materials and optimized damping characteristics, this component performs reliably under continuous load, temperature fluctuations, and harsh operating environments. Its role in controlling vibration contributes significantly to smoother engine operation, extended component life, and overall system reliability in marine and power-generation applications.

The double nipple K 72321 is a precision connection component used in conjunction with filter K 72301 in the Sulzer ZV40/48 engine’s lubrication system. Designed to provide a secure and leak-free connection between pipeline sections or filter elements, it enables efficient fluid transfer while maintaining system pressure integrity. Manufactured from durable, corrosion-resistant material, it is capable of withstanding operational stresses, vibration, and exposure to lubricating oil. By ensuring reliable connections and uninterrupted flow within the lubrication circuit, the K 72321 double nipple supports the overall efficiency and dependability of the engine’s lubrication system.

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