The Walvoil SD52P18LCN4 is a genuine Walvoil 2-section monoblock hydraulic valve designed for open center, parallel circuit hydraulic systems. It features a spool type 18 (double acting with spring return to center) and is operated by a lever control (N4 handle position, lever on spool 2, handle to the left). This robust valve supports a maximum flow of 45 L/min (12 US gpm) and a maximum pressure of 315 bar (4600 psi), making it suitable for various agricultural and industrial machinery applications requiring precise hydraulic control. Ports P, T, A, B are G3/8".