4WE6Y25-6X/EG24NK4

***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 4WE 6 Y25-6X/EG24NK4 (R900787685) is a high-performance directional spool valve designed for controlling the start, stop, and direction of fluid flow within a hydraulic system. This particular model features two electromagnets for actuation and does not include a spring return, meaning it has no defined rest position when de-energized. The valve can be manually operated with an auxiliary actuation in the absence of electrical power. The 4WE 6 Y25-6X/EG24NK4 is suitable for applications that require precise control over fluid dynamics, and it's capable of handling various switching positions due to its robust design. It offers soft switching behavior which minimizes shock and vibration during operation by reducing the number of switching strokes, thus extending the service life of both the valve and the hydraulic system. This model includes porting pattern options compliant with ISO standards and can be configured with or without a locating hole. The high-power solenoid can be optionally rotated by 90 degrees to accommodate different installation requirements. For electrical connections, users have the choice between single or central connections. Additionally, spool position monitoring is available as an option for enhanced operational awareness. The valve also meets CE conformity according to the Low Voltage Directive EU for electrical voltages greater than 50 VAC or 75 VDC. For those requiring specific certification, solenoid coils with UR marking according to UL standard edition are optional, as well as approval according to CSA C22.2 No. 0-M91. Users should note that pressure peaks in the drain line could cause unintended control spool movements in valves with detent versions; thus separate return lines or check valves are recommended. Internal leakage inherent in this design may increase over time; therefore, incorporating a throttle insert may be necessary under certain operating conditions that exceed the performance limit of this directional valve.