Bosch Rexroth | 4WE6J73-6XEG96N9K4V
4WE6J73-6X/EG96N9K4/V
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The 4WE6J73-6X/EG96N9K4/V valve belongs to the WE Directional Spool Valves series and is produced by Bosch Rexroth for hydraulic automation that switches flow paths in actuators and circuits. It fits nominal size 6, so its mounting envelope stays compact while still handling applications common to small and medium power units. The porting pattern ISO 4401-03-02-0-05 allows direct stacking on standardized sub-plates without adapters. A maximum operating pressure of 350 bar on ports A, B, and P lets the spool direct high-pressure supply lines, whereas the tank port is limited to 210 bar to protect return circuits. The design supports a continuous flow of 80 l/min, permitting fast cylinder or motor response when the spool shifts. Hydraulic fluid may reach +80 °C, and the ambient enclosure can reach +50 °C, values guided by its FKM seal set to maintain leakage control under heat. Contamination must not exceed ISO 4406 class 20/18/15, so filtration is required to prevent spool sticking.
Actuation is provided by a wet-pin high-power solenoid, enabling the coil to transfer heat into the surrounding fluid and sustain repeated shifts. The coil is wound for 96 V DC, and a rated current of 0.33 A defines the electrical load drawn from the control supply. Connection is made through a DIN EN 175301-803 type K4 connector, so wiring can follow common industrial harnesses. An IP65 rating shields the housing from dust and low-pressure water jets, supporting installation near hydraulic power units where spray is likely. A concealed manual override designated N9 is built in; this recessed push pin lets maintenance staff shift the spool during commissioning or power loss, and its use must keep tank pressure below 50 bar to avoid seal damage. These characteristics align the valve with automated systems that need dependable electrical control of high-pressure hydraulic flow.
Technical Specifications
Ambient Temperature Max (fkm)
+50 C
Cleanliness Class
ISO 4406 20/18/15
Coil Voltage
96 V DC
Electrical Connector
DIN EN 175301-803 (K4)
Hydraulic Fluid Temp Max (fkm)
+80 C
Ingress Protection
IP65
Manual Override
Concealed (N9)
Manual Override Limit (tank)
50 bar
Max Flow (dc)
80 l/min
Max Operating Pressure (a/b/p)
350 bar
Max Tank Port Pressure (t, Dc)
210 bar
Nominal Size
6
Porting Pattern
ISO 4401-03-02-0-05
Rated Current (96 V)
0.33 A
Seal Material
FKM
Solenoid Type
Wet-Pin High-Power
1620 Old Apex Road
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