4WE6EA6X/EG24K4QMAG24

The 4WE6EA6X/EG24K4QMAG24 valve is produced by Bosch Rexroth for the WE Directional Spool Valves series. It directs hydraulic oil to actuators in automated machinery, allowing controlled movement cycles. A nominal size of 6 fits compact manifolds while still passing typical machine flow rates. The mounting interface follows ISO 4401-03-02-0-05 so the valve can replace similar units without re-machining the subplate. Shifting force is generated by a wet-pin high-power solenoid, a design that isolates the coil from the hydraulic fluid and improves service life. The coil is energized with 24 V DC, drawing 1.25 A during steady operation, which simplifies wiring to standard machine power supplies. Class F insulation protects the windings against elevated temperatures, and the coil housing may reach up to 120 °C without damaging the insulation system. Electrical termination uses a K4 connector in accordance with DIN EN 175301-803, allowing quick detachment during maintenance.

The hydraulic section supports continuous flow up to 80 L/min, enabling medium-size cylinders or motors to move at full speed. Work ports withstand pressure to 350 bar so the valve can operate in high-pressure circuits common in presses and injection machines. The tank port is limited to 210 bar, matching typical return-line ratings and preventing case seal overloads. An IP65 enclosure prevents dust ingress and water jets from affecting the energized coil in factory wash-down areas. Spool position “a” is monitored, giving the control system confirmation that the commanded shift has completed. Feedback is supplied by a QM inductive switch, which detects metal movement without physical contact for higher reliability. The switch and associated electronics share the 24 V DC sensor supply already present in most safety PLC cabinets. A calculated mean time to dangerous failure of 300 years demonstrates a very low probability of malfunction in safety-related circuits.