H-4WEH16E19-7X/6EW110N9ETDAL/B10VSO857

***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-4WEH16E19-7X/6EW110N9ETDAL/B10VSO857 (R901376102) is an advanced electrohydraulic directional control valve designed for subplate mounting with a porting pattern according to ISO standards. It offers versatile actuation options, including internal or external pilot control, and can be operated with wet-pin DC or AC solenoids. The model provides flexibility in hydraulic system design with options for 3-way or 4-way configurations and features such as spring or pressure centering, and spring end position or hydraulic end position. This valve is engineered to maintain the main control spool in the central position without pilot pressure due to its return springs, which is particularly beneficial for vertical valve installations. However, it's important to note that internal leakage is an inherent characteristic of this type of valve and may increase over its lifecycle. The main control spool is pressure-centered within the housing, ensuring stability and precision in operation. The model includes a variety of optional features that enhance its functionality: manual override capabilities, switching time adjustments, a preload valve in channel P of the main valve for improved response times, stroke setting, and spool position monitoring for accurate control. For systems requiring controlled pilot oil supply flow rates, a throttle insert can be utilized to limit flow in channel P of the pilot control valve. Pilot oil supply and return configurations vary depending on the specific type designation (ET... or E...), with options for external supply via channel X from a separate pressure source or internal supply from channel P of the main valve. Similarly, pilot oil return can be executed externally via channel Y into the tank or internally through channel T. The design and construction of this Bosch Rexroth directional control valve make it suitable for sophisticated hydraulic applications requiring precise motion control and reliable performance under varying operational conditions.