Vevor Hydraulic Directional Control Valve Hydraulic Spool Valve 6 Spool 11 Gpm Hydraulic Loader Valve Double-Acting Cylinders Inner Check/Relief Valve Durable & Rigid Structure Compact Handle Design Wide Application Flow Rating: 11gpm (40l/min),Center System: Open,Relief Valve: Adjustable,A, B port: 1/2' BSPP,P, T, N port: 1/2' BSPP,Model: 6spool113600,Spool Count: 6-Spool,Valve Operation: Manual,Max operating pressure: 3600psi