4WEH16J7X/6EG24N9ETS2K4/B10

The 4WEH16J7X/6EG24N9ETS2K4/B10 valve belongs to the WEH Directional Spool Valves series and is produced by Bosch Rexroth for hydraulic control circuits. It directs flow between ports to start, stop, or change actuator motion in automated machinery. The four-way configuration provides separate paths for pressure, return, and two work lines, enabling bidirectional cylinder movement. With the NG16 nominal size, the valve fits manifolds designed for 16 mm porting and handles medium flow rates common in industrial presses and plastics machines. A maximum operating pressure of 280 bar on the pressure, A, and B ports allows safe service in high-pressure systems. Energizing a 24 V DC coil shifts the spool, so the valve interfaces directly with standard control voltages from programmable logic controllers. Electrical terminations are made through a DIN EN 175301-803 connector and are supplied without a mating plug, giving installers flexibility in cable selection. A concealed manual override lets technicians reposition the spool during commissioning or power loss without exposing the mechanism to contaminants.

Pilot operation is supported up to 250 bar, giving sufficient force to shift the main spool even when the service lines are at full pressure, while a minimum pilot pressure of 14 bar must be present in three-position versions to guarantee centered spool return. Switching time can be tuned through the discharge control feature, allowing machine builders to adjust actuation delays to match cylinder mass and reduce hydraulic shock. To further influence timing, the 1.0 mm throttle insert restricts pilot flow; this damping element smooths pressure ramps and limits noise. The valve requires fluid cleanliness of ISO 4406 20/18/15, a level normally achieved with high-efficiency return filters, and adherence to this rating reduces silting in the lands and preserves spool accuracy. Together, these parameters let the 4WEH16J7X/6EG24N9ETS2K4/B10 perform precise, repeatable switching cycles in automated presses, molding equipment, and assembly lines where consistent motion control is critical.