The pressure spring for the relief valve (code K 86055) is an essential component that ensures the proper functioning of the relief valve in the Sulzer ZV40/48 engine. This precisely engineered spring maintains the necessary tension to regulate pressure within the system, allowing the valve to open and close at the correct thresholds. Built to withstand high-pressure conditions, this spring plays a vital role in protecting the engine from excessive pressure fluctuations. Routine checks and timely replacements of the pressure spring are crucial for maintaining optimal valve performance, ensuring smooth and reliable engine operation in challenging marine and industrial applications.