The pressure valve H 55054 is a safety- and performance-critical control component used in the Sulzer ASL25 engine to regulate system pressure within defined operating limits. Engineered for fast response and precise pressure control, this valve protects downstream components from overpressure while ensuring stable and balanced system operation. Its robust construction and accurately calibrated spring mechanism allow reliable performance under continuous load, pressure fluctuations, and thermal stress, making H 55054 essential for maintaining operational safety, system reliability, and long service life of the engine.