Open Center Hydraulic Design
- How to wire open center valves in series, paralle, and series-parallel.
- Jack Johnson. He writes - the future of America lies not in its military and aerospace hardware, but in the commercial, industrial, and manufacturing sectors. - [1]
Series and Parallel of Individual Valves
- Bad diagrams (not clear what is connected), but useful - [2]
Definitions
- PDF of definitions - [3]