Патрон уравнительного предохранительного клапана Caterpillar 5309437

A Counterbalance Relief Valve Cartridge prevents a load from drifting down when the hydraulic system is not energized. It is a pilot-operated relief valve that is controlled by a smaller pilot valve. The pilot valve is connected to the cylinder port that is being lowered. When the cylinder is raised, the pilot valve opens, allowing the main relief valve to open and the load to be lowered.Attributes: • Manufactured to precise specifications and are built for durability, and reliability• Protect the hydraulic system from overpressure due to thermal expansionApplications:A Counterbalance Relief Valve Cartridge is used to provide over center load control by blocking flow to the cylinder port.