8 GPM Double Acting Directional Control Valves for Compact Applications. For double acting cylinders. Ideal for small tractor and other low flow applications. Load check. Built-in adjustable pressure relief valve. Spring centering spool action. Open center with enclosed plug to convert to power beyond or closed center. 8 GPM max flow. 3,500 Max PSI. Relief set at 2000 PSI adjustable from 2000-3500 PSI. In/Out ports and work ports SAE 8. 3 hole mounting base.