R900904473 4WE6U6X/EW110N9K4 Spool Valve is a high-quality industrial hydraulic valve designed for reliable switching of oil flow direction. With nominal size 6 and symbol U, this original Bosch Rexroth product offers superior performance and local support through CreatX Technology SRL. Electrically operated with a solenoid at 110-120 V AC, ideal for industrial applications.