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R978909659

H-4WEH 25 R6X/6EW110N9DAL=CSA

Manufacturer: Bosch Rexroth

Material #: R978909659

Model : H-4WEH 25 R6X/6EW110N9DAL=CSA


***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-4WEH 25 R6X/6EW110N9DAL=CSA (R978909659) is a high-performance directional control valve designed for electrohydraulic applications that require precise control of fluid flow. This valve is engineered to maintain the main control spool in a central position via pressure centering, ensuring stable operation even in vertical mounting situations. The return springs within the spring chambers are not intended for return functions but rather to hold the spool in place when depressurized and installed horizontally. This model is part of the HWEH series, which features various configurations for pilot oil supply and return, including both internal and external options. The valve accommodates external pilot oil supply through channel X or internal supply from channel P of the main valve, with returns either externally via channel Y into the tank or internally via channel T. It is crucial that any modifications to the pilot oil supply be carried out by authorized specialists or directly at the factory to avoid operational issues. The H-4WEH 25 R6X/6EW110N9DAL=CSA incorporates a throttle insert when necessary to limit pilot oil flow and prevent excessive pressure peaks. It supports various types of actuation, such as electrohydraulic WEH, suitable for subplate mounting with porting patterns according to ISO standards. This versatile valve offers options for spring or pressure centering and comes with wet-pin DC or AC solenoids that can be connected individually or centrally. Additional features available include manual override, switching time adjustment, preload valves in channel P of the main valve, stroke setting, and spool position monitoring. The valve has a size designation of 25 and belongs to component series X with a maximum operating pressure of up to bar and maximum flow rate listed in l/min as specified in technical data sheets.

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