4WEH 16 W7X/6EW110N9ETS2K4

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The Bosch Rexroth 4WEH 16 W7X/6EW110N9ETS2K4 (R900930713) is a high-performance directional spool valve with electrohydraulic actuation, designed for subplate mounting and conforming to ISO porting patterns. This model is adept at managing the start, stop, and direction of fluid flow within hydraulic systems. It features a robust housing that contains the main control spool, which is regulated by one or two solenoids in the pilot control valve. The valve's operation is supported by return springs that maintain the spool in its central position when not actuated. This particular model offers flexibility with options for both spring or pressure centering and can be configured with spring end positions or hydraulic end positions. The solenoids are wet-pin design, available in either DC or AC options, and can be connected electrically as individual units or through a central connection. The valve also includes various optional features such as manual override capabilities, switching time adjustment, a preload valve in channel P of the main valve for enhanced control over flow dynamics, as well as stroke setting and spool position monitoring for precise operational feedback. The WEH series valves are designed to accommodate different types of pilot oil supply (internal or external) and return arrangements to suit various system requirements. Attention must be given to ensure correct installation and operation parameters are met to avoid excessive internal leakage over time—a characteristic inherent to this design principle. This Bosch Rexroth directional valve stands out for its reliability and adaptability in complex hydraulic systems where precise control of fluid direction and pressure is critical. It's suitable for various electrohydraulic applications where quality and performance are paramount.