Bosch Rexroth | 4WE6W73-6XEG24N9K4B12V
4WE6W73-6X/EG24N9K4/B12V
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The 4WE6W73-6X/EG24N9K4/B12V is a directional spool valve manufactured by Bosch Rexroth in the WE Directional Spool Valves series, intended to route pressurized oil in automated hydraulic circuits. It is energized by a 24 V DC supply, and the coil draws 1.25 A to shift the spool against spring force. An IP65 enclosure protects the assembly from dust and water spray, while a DIN EN 175301-803 K4 connector provides a secure electrical interface. Mounting follows the ISO 4401-03-02-0-05 port pattern so the valve bolts directly to standard subplates. FKM sealing material resists swelling in mineral and synthetic oils, and the permissible fluid temperature extends from −15 °C to 80 °C. The design handles viscosities between 2.8 mm²/s and 500 mm²/s, letting equipment builders use a broad range of hydraulic media without compromising response time.
The valve includes a concealed N9 manual override that allows technicians to move the spool during setup or power loss, and the override can be operated with tank line pressure up to 50 bar. In service the unit tolerates 350 bar on ports A, B, and P, enabling control of high-pressure actuators, while back pressure at port T may reach 210 bar. Flow capability tops out at 80 l/min, giving adequate volume for medium-size cylinders and motors. A 1.2 mm throttle insert in port P moderates pressure rise on start-up and helps stabilize the pilot stage during rapid cycling. These pressure, flow, and control features equip the 4WE6W73-6X/EG24N9K4/B12V for consistent operation in industrial automation where reliable switching and precise fluid management are required.
Technical Specifications
Coil Rated Current
1.25 A
Electrical Connector
DIN EN 175301-803 (K4)
Hydraulic Fluid Temp Max (fkm)
80 °C
Hydraulic Fluid Temp Min (fkm)
-15 °C
Manual Override
N9 (Concealed)
Manual Override Max Tank Pressure
50 bar
Max Flow (dc)
80 l/min
Max Operating Pressure (a/b/p)
350 bar
Max Tank Port Pressure (dc)
210 bar
Porting Pattern
ISO 4401-03-02-0-05
Protection Class
IP65 (K4)
Seal Material
FKM (V)
Supply Voltage
24 V DC
Throttle Insert (port P)
1.2 mm (B12)
Viscosity Max
500 mm²/s
Viscosity Min
2.8 mm²/s
1620 Old Apex Road
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