The Argo Hytos SP4A-B3 Pressure Reducing Valve is a spool-type, pilot-operated valve designed to reduce system pressure at the consumer port. Its three-way design provides reverse relief protection for the secondary circuit to the tank port. With features like excellent stability throughout the flow range, rapid response to dynamic pressure changes, low hysteresis, and accurate pressure control, this valve ensures efficient and reliable operation. It offers a wide pressure range of up to 350 bar and high flow capacity, thanks to hardened precision parts and a CFD-optimized flow path that minimizes pressure drop. The valve is adjustable via an allen key or hand screw and comes standard with zinc coating for added protection.