The spring identified with code K 87091 is an essential load-bearing element within the pressure regulating valve of the ZV40/48 engine. Its purpose is to apply the necessary preload force that determines the valve’s opening pressure, allowing precise control of fluid or gas flow under varying operational conditions. Built from high-tensile alloy steel, the spring resists fatigue and deformation across thousands of cycles, ensuring consistent pressure regulation. Its resilience directly affects system efficiency, safety, and responsiveness in both marine and industrial applications.

The housing coded K 87086 is the robust external casing of the pressure regulating valve used in the ZV40/48 diesel engine’s fuel or air systems. Designed to endure high pressures and fluctuating temperatures, it provides the structural base that contains internal components like springs, seals, and actuators. Made from precision-machined, corrosion-resistant materials, this housing ensures the valve operates safely and efficiently, while withstanding constant vibration and fluid dynamics. Its critical role is to maintain system stability by securely housing the mechanism that regulates pressure levels essential for optimal engine performance.

The regulating device, code P50902-09, is a precision component responsible for adjusting fuel injection or air intake parameters in the MAN L21/31 engine. It works alongside the governor and sensors to fine-tune engine performance based on real-time demands. By improving combustion balance and energy use, it ensures the engine operates smoothly across a wide range of operating conditions.

The actuator and its drive mechanism, identified by code P50901-31, play a central role in managing the timing and function of fuel delivery or valve systems in the MAN L21/31 engine. Operating either hydraulically or electronically, the actuator translates control signals into mechanical motion, ensuring fast and accurate adjustments. Its contribution is critical in dynamic engine environments, improving efficiency, emissions control, and responsiveness.

The roller guide and push rods assembly, code P50801-15, is a vital mechanical linkage within the MAN L21/31 engine’s valve actuation system. The roller guide ensures smooth contact with the camshaft lobes, minimizing friction and wear, while the push rods transfer the cam motion to rocker arms, ultimately actuating the valves. This system guarantees precise valve timing, crucial for maintaining optimal combustion and efficient engine operation under various load conditions.

The angle thermometer with code K 92050 is a vital monitoring instrument installed at the fuel inlet of the ZV40/48 diesel engine. Designed with an angled dial for easier visibility and access, it provides real-time temperature readings to ensure fuel is entering the engine at optimal conditions. Monitoring fuel temperature is critical to combustion efficiency, performance, and the prevention of vapor lock or thermal stress. This robust and accurate thermometer supports safe engine operation, especially in applications with fluctuating ambient conditions or fuel quality.

The screw connection identified by code K 92181 is specifically designed to fasten and secure component K 92165 in place within the ZV40/48 diesel engine assembly. It provides a stable and vibration-resistant joint capable of withstanding pressure fluctuations and thermal expansion. Its function is essential for maintaining the mechanical integrity and alignment of sensitive instrumentation or piping systems. Engineered with high-torque tolerances and corrosion resistance, it ensures reliable long-term performance in demanding operational conditions.

The connecting piece with code K 92180 is a crucial interface component in the auxiliary systems of the Sulzer ZV40/48 diesel engine. Designed to link two separate fluid or mechanical subsystems, it ensures secure alignment and a leak-proof connection under pressure and vibration. Made from robust, corrosion-resistant material, this part maintains stability in marine and industrial environments. Its precise machining contributes to operational safety and system efficiency, supporting uninterrupted engine performance.

The valve camshaft, code P50705-12, is an integral part of the MAN L21/31 engine’s valve train system. It precisely actuates the engine’s intake and exhaust valves through its lobes, transforming rotational motion into linear valve movement. Engineered for high-strength and dimensional accuracy, the camshaft is responsible for the precise timing and duration of valve opening, directly influencing combustion efficiency, engine output, and emissions. Its robust design supports long service intervals even in demanding marine and industrial environments.

The camshaft bearing, code P50704-04, supports and guides the camshaft in the MAN L21/31 engine, enabling precise rotational movement required for accurate valve timing. Designed to handle the combined effects of radial loads, high-speed operation, and thermal expansion, this bearing ensures low-friction performance and extended engine life. Proper lubrication and high-quality material composition are essential for this component to minimize wear and preserve camshaft alignment over prolonged operation cycles.