4WE6X191-6X/EG24N9K4/Z

***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 4WE6X191-6X/EG24N9K4/Z (R901138639) is a high-performance directional control valve designed for hydraulic applications requiring precise control over the start, stop, and direction of fluid flow. This model features solenoid-operated directional spool valves that are essential for managing the flow within a hydraulic system. The valve housing includes one or two electromagnets, a control spool, and return springs that work together to achieve the desired flow direction when energized. It is engineered to maintain its middle or initial position via the return springs when de-energized, except for versions without a spring return. This particular model comes with two switching positions and two electromagnets but lacks a detent or spring return, meaning it does not have a defined rest position when not powered. It provides flexibility with an optional auxiliary actuation for manual operation without electrical power. The valve is designed to ensure energy-efficient operation by allowing fixed positioning of the control spool with detents in other versions. The 4WE6X191-6X/EG24N9K4/Z valve offers compatibility with ISO porting patterns and can be fitted with or without a locating hole. It also boasts high-power solenoids that can be rotated by 90 degrees and supports various electrical connections including single or central connection options. Spool position monitoring is available as an optional feature for enhanced operational awareness. For safety compliance, this valve meets CE conformity standards under the Low-Voltage Directive of the EU for electrical voltages greater than 50 VAC or 75 VDC. Additionally, it includes an optional solenoid coil with UR marking in accordance with UL edition standards and has an optional approval according to CSA C22.2 No. 0-M91. The Bosch Rexroth directional valve ensures reliable performance even under demanding conditions but should be used in conjunction with a properly vented hydraulic system to guarantee proper functionality. Users must also consider internal leakage inherent in such valves which may increase over time due to wear and tear during service life.