The Sun CKCBXCN is a high-performance, pilot-assisted counterbalance valve designed for controlling overrunning loads in hydraulic circuits. As a balanced poppet valve, it ensures smooth, stable, and reliable operation by preventing cylinder or motor runaway. This valve allows free flow from the directional valve (port 2) to the load (port 1) while blocking flow in the opposite direction until sufficient pilot pressure is applied at port 3. The CKCBXCN is a fixed-setting cartridge valve, factory-preset for consistent performance, and is ideal for applications requiring precise load holding and motion control. Its robust construction makes it suitable for demanding industrial and mobile hydraulic systems.