The R901278973 PROPORTIONAL VALVE 4WRZ10E1-85-7X/6EG24K4/D3M is a high-quality industrial hydraulic valve, providing reliable control of oil flow direction. With a nominal size of 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 for this top-tier product.