The Hydraulic Return Check Valve Spring is designed to regulate the flow of hydraulic fluid, allowing it to move in one direction while preventing backflow. This control is important for maintaining precision, safety, and reliability in heavy machinery's hydraulic operations. By controlling fluid flow, the spring enhances safety and reliability within hydraulic systems, preventing unintended fluid movement and potential system malfunctions. It plays an important role in maintaining precision, safety, and overall system reliability in heavy machinery's hydraulic operations.Attributes: • Spring rate is 17.656 n/mm.• Wire diameter is 3.50mm.• Total coils is 11.• The number of active coils is 9.Applications:The Hydraulic Return Check Valve Spring plays an important role in controlling hydraulic fluid flow, ensuring the safety, precision, and reliability of heavy machinery.