R901561170 PROPORTIONAL VALVE 4WRTE16E1-150P-4X is a high-quality industrial hydraulic valve, providing precise control of oil flow direction. With a nominal size of 16 and symbol E1, this original Bosch Rexroth product includes integrated electronic components for efficient electric operation at 24 VDC. CreatX Technology SRL offers local support and repairs for these top-tier products.