Hydraulic Directional Control Valve, 10 Ports 3600 PSI Directional Control Valve 1 Spool 21GPM Hydraulic Spool Valve SAE Key Features and Benefits: Relief Valve: Adjustable Center system: Open Spool Spool Count: 1-Spool Valve Operation: Manual Gallons per minute (GPM): 21 Maximum pressure: 3600 PSI Inlet size: SAE10 Outlet size: SAE10 Port Size: SAE 10 Product Description: Equipped with 1 spool valve, with a maximum pressure of 3600 PSI and a maximum flow rate of 21 GPM. Made of durable aluminum and iron for long-term service. Manual control allows for closed valve operation, providing power output through the pressure output port connected with other hydraulic components.