Bosch Rexroth | 4WE6J6XEG12N9DK25L
4WE6J6X/EG12N9DK25L
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The 4WE6J6X/EG12N9DK25L directional spool valve is manufactured by Bosch Rexroth within the WE Directional Spool Valves series for hydraulic automation where reliable directional control is required. The unit withstands a maximum operating pressure of 350 bar at ports A, B, and P, allowing it to route high-pressure supply and actuator lines without external relief devices, while port T is limited to 210 bar to protect the return gallery. A direct-current solenoid rated at 30 W shifts the spool, and the coil accepts 12 V DC with a ±10 % voltage window to accommodate battery or regulated supplies. Continuous energization is permitted because the duty cycle is 100%, and the spool can change state up to 4.2 times per second to follow rapid control commands. Acceptable contamination level is ISO 4406 class 20/18/15, which minimizes wear on the precision-ground lands. Maximum flow of 80 l/min is supported in direct-current operation, preventing excessive pressure drop at rated conditions.
Installation uses the ISO 4401-03-02-0-05 interface, enabling interchange with standard size 6 subplates; the pattern fixes bolt spacing and port geometry so replacements do not disturb existing lines. An IP65 enclosure protects the coil from dust ingress and low-pressure water jets, allowing placement on exposed machinery. Electrical connection is made through a five-pole DK25L plug that simplifies field wiring and supports auxiliary circuits on the remaining pins. The concealed N9 manual override lets maintenance staff shift the spool by hand while keeping the override recessed to avoid accidental actuation. Ambient temperatures may reach +50 °C, and hydraulic fluid can be as hot as +80 °C without derating, covering normal mobile and industrial conditions. Together, these features give the valve consistent performance while simplifying mounting, wiring, and service on equipment that demands compact directional control.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Coil Nominal Power
30 W
Duty Cycle
100%
Electrical Connector
DK25L (5-Pole)
Manual Override
Concealed (N9)
Max Ambient Temperature
+50 °C
Max Flow (dc)
80 l/min
Max Fluid Temperature
+80 °C
Max Operating Pressure (a/b/p)
350 bar
Max Pressure (port T, Dc)
210 bar
Max Switching Frequency (dc)
4.2 1/s
Mounting Interface
ISO 4401-03-02-0-05
Nominal Voltage
12 V DC
Protection Class
IP65
Voltage Tolerance
±10%
Voltage Type
DC
1620 Old Apex Road
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