Buy the Vickers (Eaton Hydraulics) DG4V4-012AL-M-PBWL-B5-10 Hydraulic Valve - a precision hydraulic control valve for directional, flow, or pressure control. Features robust spool design, low leakage, and long service life. The Vickers (Eaton Hydraulics) DG4V4-012AL-M-PBWL-B5-10 is a direct replacement for existing hydraulic valve installations.