R901559973 SPOOL VALVE 4WE6D6X/OFEG24N9K4QSAG24W/B12V is a high-quality industrial hydraulic valve designed for reliable switching of oil flow direction. With nominal size 6 and symbol D, it is solenoid-operated at 24 VDC. Original Bosch Rexroth products are available with local support through CreatX Technology SRL.