The R901339440 PROPORTIONAL VALVE 4WRTE10E50P-4X is a high-quality industrial hydraulic valve, providing reliable 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 offers local support and repairs for this product.