R978909358 PROPORTIONAL VALVE 4WRZ10E1-85-7X/6EG24ETK4/D3V provides reliable control of oil flow direction, being a high-power industrial hydraulic valve. With nominal size 10 and symbol E1, this original Bosch Rexroth product is electric with external electronic components, operating at 24 VDC. CreatX Technology SRL offers local support and repairs.