Cylindrical screws with code EN61T612 are precision fasteners widely used throughout the MAN L21/31 engine for securing components where reliable clamping and accurate alignment are essential. Manufactured from high-strength alloy steel, these screws are designed to withstand vibration, thermal cycling, and repeated tightening during maintenance. Their consistent quality and mechanical strength ensure secure assemblies, supporting safe operation and long service life of the engine in demanding industrial and marine conditions.
The welding plate, code 703020-8.2, is a specially prepared component intended for welded joints within the MAN L21/31 engine framework or auxiliary structures. Engineered to provide optimal weld integrity, it ensures strong, fatigue-resistant connections capable of withstanding thermal expansion, vibration, and operational loads. Its material properties and dimensional accuracy support high-quality welding results, contributing to the robustness and structural safety of the engine installation, particularly in heavy-duty marine environments.
The plate with code 1699385-9.0 is a structural and functional component used in the MAN L21/31 engine assembly to provide support, reinforcement, or separation between engine elements. Designed for precise fit and load distribution, this plate helps maintain alignment and structural stability under continuous mechanical stress and vibration. Manufactured from high-quality steel, it contributes to the durability of the engine structure and plays an important role in ensuring long-term reliability in marine and power-generation applications.
The impact bolt N 55052 is a high-strength mechanical fastening and load-transfer component used in the Sulzer ASL25 engine where resistance to shock loads and dynamic forces is required. Engineered to withstand repeated impact stresses, vibration, and high mechanical loads, this bolt ensures secure positioning of associated components under demanding operating conditions. Manufactured from tough, fatigue-resistant material with precise dimensional control, the N 55052 impact bolt contributes to structural integrity, operational safety, and long-term durability of critical engine assemblies.
The oil pressure regulation valve H 85700 is a vital control element in the lubrication system of the Sulzer ASL25 engine, responsible for maintaining oil pressure within precise operating limits. Designed for fast response and stable regulation under varying engine loads and temperatures, this valve protects bearings and moving components from both insufficient and excessive oil pressure. Its precision-machined internal geometry and robust spring mechanism ensure reliable performance, reduced mechanical stress, and long-term protection of the engine’s lubrication circuit.
The fuel filter cartridge H 87511 is a critical filtration component designed to protect the Sulzer ASL25 engine’s fuel system from contaminants such as particulates, water residues, and impurities. Engineered for high filtration efficiency and consistent flow characteristics, this cartridge ensures clean fuel delivery to sensitive injection components. Its robust filter media and durable construction support long service intervals, reduce wear on fuel system parts, and contribute directly to stable combustion, improved engine reliability, and optimal performance in demanding marine and industrial operating conditions.