R901427378 PROPORTIONAL VALVE 4WRTE27E1-500L-4X/6EG24TK31/A1M 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 27, this original Bosch Rexroth product is electric with integrated electronic components, operating at 24 VDC. CreatX Technology SRL offers local support and repairs for this product.