R978877472 PROPORTIONAL DISTRIBUTOR 4WRAB 6 W25-1X/G12N9K4/MR is a high-quality industrial hydraulic valve, perfect for medium power applications. Nominal size 6 and symbol W ensure optimal performance. Operates electrically with external electronic components at 12 VDC. Original Bosch Rexroth products are available with local support through CreatX Technology SRL.