Manually Operated Cartridge Valves

John Henry Foster offers a full range of manually operated cartridge valves designed for precise flow control in hydraulic circuits. These compact, drop-in valves are ideal for applications requiring direct operator input, including load-holding, directional control, and pressure regulation. With simple installation and low leakage, our manual cartridge valves provide dependable performance in mobile and industrial equipment. Available in standard cavity sizes and a variety of configurations, JHF's solutions support flexible system design while maintaining high flow rates and consistent response. Whether you need push, lever, or screw-type actuation, our manually operated cartridge valves deliver rugged reliability in demanding environments.