R978919621 PROPORTIONAL VALVE 4WRTE10V50L-4X/6EG24ETK31/A1V is a high-quality industrial hydraulic valve, ensuring reliable oil flow direction control. With high precision due to the internal piston position retraction and nominal size 10, this original Bosch Rexroth product is electric, with integrated electronic components and operates at 24 VDC. CreatX Technology SRL provides local support and repairs.