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R978909383

4WE10D4X/OFCW110N9DK25L

Manufacturer: Bosch Rexroth

Material #: R978909383

Model : 4WE10D4X/OFCW110N9DK25L


***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth 4WE10D4X/OFCW110N9DK25L (R978909383) is a high-performance directional spool valve designed to manage the start, stop, and direction of fluid flow within a hydraulic system. This model features a robust housing, two wet-pin electronic solenoids, a control spool, and return springs that ensure reliable operation. The solenoids actuate the control spool, shifting it from its neutral position to the desired end position to control flow direction from ports P to A and B to T or vice versa. This particular valve offers manual override capabilities that allow operators to manually switch the valve in situations where solenoid energization is not possible. For consistent performance, it's essential that the pressure chamber of the solenoid is filled with oil. The 4WE10D4X/OFCW110N9DK25L valve includes throttle inserts in channels P, A, B, or T for increased flow resistance when necessary due to operational conditions. This specific variant does not have spring return at the control spool and thus lacks a defined basic position when de-energized. It also features detents for locking the control spool in place during operation, allowing for energy-efficient usage by eliminating the need for continuous current application. It's important to note that pressure peaks in tank lines connected to multiple valves may cause unintended movement of the control spool if valves have a detent mechanism. To mitigate this risk, separate return lines or check valves are recommended. This model falls under component series X and X2 with an impressive maximum operating pressure of up to 350 bar and can handle maximum flow rates of up to 120 liters per minute. The solenoid coil on this directional valve is rotatable by 90 degrees for flexibility in installation and can be replaced without opening the pressure-tight chamber—an advantage during maintenance procedures. Electrical connections can be made individually or centrally according to user preference, with optional auxiliary operating devices available.

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