The Check Valve Spring is specifically designed for the Excavator's stick cylinder and is a precision-engineered compression spring for hydraulic system control. Crafted from durable materials, this spring serves as a check valve within the system, exhibiting an outer diameter of 8.50mm. Its primary function involves regulating the flow of hydraulic fluid, allowing it to move in a single direction while effectively preventing any backflow. This function ensures the precise and reliable operation of the Excavator's stick cylinder during hydraulic processes, enhancing the overall efficiency and performance of the machinery in various excavation and construction tasks.Attributes:• Durable materials for longevity and reliability• Precision engineering for hydraulic system control• Ensures the proper functioning of hydraulic processes during various tasks• Provides reliability in maintaining fluid flow directionApplications:This Check Valve Spring is used in Excavator stick cylinders, to regulate fluid flow, ensuring one-directional movement and preventing backflow for efficient and precise operation during construction and excavation tasks.