Description:Cat® Cartridges is used for the load control valve on hydraulic cylinders. These cartridge valves are a compact design that can be used in hydraulic manifold systems. Each Cat valve is designed to meet or exceed the operating temperature and pressure requirements of the system in which it is used, to ensure a long life and proper machine functionality.Application:Cat® Cartridges are designed for specific machine applications. Used to actuate heavy-duty implements in hydraulic systems. Consult your owner's manual or contact your local Cat Dealer for more information.