Bosch Rexroth R978910383 is a pilot-operated directional valve in the 4WEH family (4WEH 10 UA4X/6EW110N9K4). The device directs hydraulic flow through its ports under pilot control, enabling precise positioning of hydraulic actuators in industrial machinery. The part number signals a size-10 valve configuration with a UA4X actuator variant and the 6EW110N9K4 control code, aligning with Rexroth's size-10 platform. This valve combines Rexroth reliability with modular pilot operation for responsive, robust control of hydraulic circuits.
