Bosch Rexroth | 4WE6E73-6XEG24N9K4A12B12
4WE6E73-6X/EG24N9K4/A12B12
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The 4WE6E73-6X/EG24N9K4/A12B12 directional spool valve belongs to the WE Directional Spool Valves series and is produced by Bosch Rexroth for switching hydraulic flow paths in automated machinery. Its nominal 24 V DC solenoid suits standard control systems, and the coil draws 1.25 A so the electrical driver can be sized accurately. Continuous operation permits oil flow up to 80 l/min, allowing medium-capacity actuators to be supplied without excessive pressure loss. The working ports P, A, and B tolerate 350 bar, giving the valve the strength to handle high-pressure circuits, while the tank port rating of 210 bar supports return lines that carry elevated back-pressure. A concealed N9 manual override is provided for emergency actuation during commissioning or power failures, and this feature must be used with tank pressures not exceeding 50 bar to safeguard the seals.
The valve follows the NFPA D03 mounting pattern, making it directly compatible with common North American manifolds, and its ISO 4401-03-02-0-05 port layout extends compatibility to international subplates. Each throttle insert at ports A and B is 1.2 mm in diameter, introducing fixed orifice restriction that stabilizes spool shifts and cushions downstream components. An IP65 enclosure guards the solenoids against dust and water jets so they can operate reliably in industrial wash-down zones. The coil surface may reach 120 °C under heavy duty, requiring adjacent wiring and hoses to be rated for that temperature. System oil must be filtered to ISO 4406 class 20/18/15 to prevent contamination from jamming the precision spool lands. The dual-solenoid assembly weighs 1.95 kg, a light mass that enables direct attachment to compact manifold blocks without added support brackets.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Coil Rated Current (24 V Dc)
1.25 A
Coil Surface Temp Max
120 C
Ip Rating
IP65
Manual Override
Concealed N9
Manual Override Tank Pressure Max
50 bar
Max Flow (dc)
80 l/min
Max Operating Pressure (p,a,b)
350 bar
Max Tank Port Pressure (dc)
210 bar
Nfpa Mounting Pattern
D03
Nominal Voltage
24 V DC
Porting Pattern
ISO 4401-03-02-0-05
Throttle Insert Port A
1.2 mm
Throttle Insert Port B
1.2 mm
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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