4WE6E67-6X/EG24N9K4/VSO9

***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 4WE6E67-6X/EG24N9K4/VSO9 (R901233333) is a high-performance directional control valve designed for hydraulic systems requiring precise control of fluid flow. This model is a solenoid-operated directional spool valve that can be utilized to manage the start, stop, and direction of a flow within a hydraulic circuit. The valve includes a housing, one or two electromagnets for actuation, a control spool that directs the hydraulic flow, and return springs that reset the spool to its neutral position when de-energized. The 4WE6E67-6X/EG24N9K4/VSO9 is equipped with two switching positions and operates without spring return on the control spool, meaning it does not have a defined basic position when not powered. It also features manual override capabilities through an auxiliary actuation mechanism allowing for manual operation in the absence of electrical power. This particular model's design ensures soft switching behavior which minimizes the mechanical shock during on-off transitions by reducing switching strokes, leading to smoother operations and potentially extending service life. The valve is also designed with an option for spool position monitoring which can enhance system safety and reliability. For installation flexibility, this valve comes with porting patterns according to ISO standards with or without locating holes and offers high-power solenoid options that can be rotated by 90 degrees. It provides electrical connections as either single or central connections. The unit meets CE conformity requirements for low-voltage directive EU and has optional UL approval marking according to UL standard edition and CSA C22.2 No. approval. It's important to note that proper venting of the hydraulic system is necessary for optimal performance of this valve. Additionally, users must consider using a throttle insert under certain operating conditions where flows during switching exceed the performance limit of the valve. Pressure peaks in the drain line should be managed carefully to avoid unintended control spool movements, especially in versions with detent where separate return lines or check valves are recommended due to potential pressure peaks causing unintentional movements of the control spool.