Springs and Washers are fundamental mechanical components used in Grundfos pump systems to provide tension, absorb shocks, and ensure secure connections between moving parts. Springs are utilized in various applications, such as maintaining pressure in valves and stabilizing assemblies, while Washers distribute load evenly and prevent loosening of fasteners. These components contribute to the smooth and reliable operation of pumps by mitigating vibrations, reducing mechanical stress, and enhancing the integrity of assemblies.