The R978028039 4WE 6 D6X/EW110N9DK25L/V/62 spool valve is a high-quality industrial hydraulic valve designed for reliable switching of oil flow direction. With a nominal size of 6 and symbol D, this electrically operated solenoid valve works at 110 - 120 V AC. Original Bosch Rexroth products are available with local support through CreatX Technology SRL, ensuring superior performance and durability.