- Hydraulic valves
High Quality Hydraulic Directional Control Solenoid Valves and accessory valves. In Stock with Free Shipping. Power Valve USA, D03 and D05 hydraulic solenoid valves. Single spool to four spool, lever operated directional control valves manufactured Youli America. Inline mounted check valves, flow control valves and needle valves by Dynamic Fluid Components. D03 and D05 modular valves, check valves, flow control valves, pressure reducing valves, relief valves and counter balance valves by Power Valve USA.