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Pressure gauge pipes, code 235216, are essential components designed to transmit pressure signals from key points within the MAN L21/31 engine systems to monitoring instruments. These pipes ensure accurate and consistent measurement of pressures in lubrication, fuel, or air circuits, enabling operators to monitor engine performance and detect irregularities at an early stage. Manufactured with high precision from corrosion-resistant materials, they are capable of withstanding pressure fluctuations, vibration, and demanding operating environments. By maintaining reliable signal transmission and protecting system integrity, pressure gauge pipes support effective monitoring, preventive maintenance, and the overall reliability of the engine.

Friday, 10 April 2026 08:52

MAN L21/31; Bracket (Code 135958)

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The bracket, code 135958, is a structural support component designed to securely mount and stabilize auxiliary equipment or system elements within the MAN L21/31 engine installation. Engineered for high strength and dimensional stability, it ensures that attached components remain properly aligned and resistant to vibration, mechanical loads, and thermal influences during operation. Manufactured from durable materials and often protected against corrosion, the bracket maintains its integrity in harsh marine and industrial conditions. By providing reliable support and minimizing the risk of movement or misalignment, this component contributes significantly to system stability, operational safety, and ease of maintenance.

Friday, 10 April 2026 08:51

MAN L21/31; Test Valve (Code 135801)

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The test valve, code 135801, is a specialized component used in the MAN L21/31 engine to enable controlled access for pressure testing, system diagnostics, and maintenance procedures. Installed at designated points within fluid or air systems, it allows technicians to safely measure pressure, release trapped media, or verify system integrity without disrupting normal engine operation. Engineered for precise sealing and ease of operation, the valve ensures leak-tight performance under varying pressures and temperatures. Manufactured from robust, corrosion-resistant materials, it offers long service life even in demanding marine and industrial environments. By facilitating accurate diagnostics and preventive maintenance, the test valve plays a key role in ensuring operational safety, system reliability, and efficient engine performance.

The coupling K 72122 is a precision-engineered mechanical interface used to connect the orbit motor K 72104 with the associated drive components in the Sulzer ZV40/48 engine. Designed to transmit torque efficiently while compensating for minor misalignments, this coupling ensures smooth power transfer and reduces the impact of vibration and shock loads on the system. Constructed from durable, high-strength materials, it provides reliable performance under continuous operation and demanding mechanical conditions. By maintaining stable torque transmission and protecting connected components from excessive stress, the K 72122 coupling plays a vital role in ensuring the efficiency, reliability, and longevity of the orbit motor drive system.

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