1 Spool Hydraulic Valve 21GPM 3600PSI Hydraulic Directional Control Valve SAE Ports Double Acting Valve Features: Durable cast iron construction provides long-term usage. The relief valve range can reach up to 3600PSI and the maximum flow is up to 21GPM. All spools are standard double acting with spring return to neutral place which are ideal for double acting cylinders. Used for small tractors, tractors loaders, log splitters and other mobile. Specification: Inlet Port: SAE 10 Outlet Port: SAE 12 Working Ports: SAE 10 Max Operating Pressure: 3600PSI Nominal flow: 21GPM Relief valve: Adjustable Center System: Open Package Includes: 1 x 1 Spool 21GPM Hydraulic Directional Control Valve This loader control valve come with 1 spools, with cast iron construction for long-time use. The relief valve range is up to 3600PSI and the maximum flow is up to 21GPM, double acting cylinder. The check valve in the valve body ensures that the hydraulic oil does not return, and the overflow valve in the valve body can adjust the working pressure of the hydraulic system. Hydraulic control valve used to operate double-acting cylinders. There are springs at the bottom of the handles that make the joysticks easy to control. Fit for small tractors, tractors loaders, log splitters, and etc.