H-4WEH10GB4X/6EG24N9ETK4/B10D3

***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 H-4WEH10GB4X/6EG24N9ETK4/B10D3 (R901019880) is a highly sophisticated electrohydraulic directional control valve designed for subplate mounting with a porting pattern that complies with ISO standards. This model is distinguished by its spring centering feature, which ensures the main control spool remains in the central position without pilot pressure, even when the valve is oriented vertically. The valve offers multiple types of actuation, including internal or external pilot control, and accommodates a variety of applications through its 3 or 4-way version options. Equipped with wet-pin DC or AC solenoids, the H-4WEH10GB4X/6EG24N9ETK4/B10D3 valve can be tailored to specific requirements with optional features such as manual override, switching time adjustment, preload valve in channel P of the main valve, and stroke setting or spool position monitoring. The springs within this model are not meant for return functions but are designed to maintain the spool's central position when depressurized and installed horizontally. The pilot oil supply for this directional valve can be configured externally from a separate pressure supply or internally from channel P of the main valve. Similarly, pilot oil return can be directed externally into the tank or internally via channel T. For applications requiring controlled pilot oil flow, an optional throttle insert can be used to limit supply in channel P. This model also includes pressure centering of the main control spool through pressurization on both front faces, allowing precise movement and positioning when one face is relieved. However, it's important to note that internal leakage is inherent to these valves and may increase over their lifecycle. The Bosch Rexroth H-4WEH10GB4X/6EG24N9ETK4/B10D3 provides robust performance and versatility for complex hydraulic systems requiring meticulous control.