R978878558 PROPORTIONAL VALVE 4WRAEB 6 E25-1X/G24N9DK26/MR is a high-quality industrial hydraulic valve, perfect for medium power applications. With nominal size 6 and symbol E, this electric product with external electronic components operates at 24 VDC. Original Bosch Rexroth products are available with local support from CreatX Technology SRL.