***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-4WEH16J7X/6EG24N9ETK4/B10D3Z (R901077601) is an advanced electrohydraulic directional control valve designed for subplate mounting with a porting pattern according to ISO standards. It features a 4-way configuration and is capable of being utilized in various hydraulic systems requiring precise control of fluid direction and flow. This model employs spring or pressure centering for the main control spool, with options for spring end position or hydraulic end position, ensuring the valve returns to a neutral state without pilot pressure. The H-4WEH16J7X/6EG24N9ETK4/B10D3Z valve incorporates wet-pin DC or AC solenoids that can be connected individually or centrally, according to system requirements. The valve offers additional versatility through optional features such as manual override, switching time adjustment, a preload valve in channel P of the main valve, stroke setting, and spool position monitoring. This specific model includes a throttle insert which is critical when there's a need to limit the pilot oil supply in channel P of the pilot control valve. The design ensures that internal leakage is inherent but may increase over time due to wear and tear. Furthermore, this version's springs are not intended for return function; instead, they maintain the main control spool in central position under depressurized conditions and with horizontal installation. The pilot oil supply for this model is implemented internally from channel P of the main valve with an external return via channel Y into the tank. Modifications to the pilot oil supply should only be carried out by authorized specialists or at the factory to avoid any operational issues. For safety and performance consistency, it's important to observe maximum and minimum pilot pressures as detailed in technical data sheets provided by Bosch Rexroth.