Bosch Rexroth | 4WE6D6XEG24NK4QMBG24B12
4WE6D6X/EG24NK4QMBG24/B12
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The 4WE6D6X/EG24NK4QMBG24/B12 valve belongs to the WE Directional Spool Valves series and is manufactured by Bosch Rexroth for hydraulic automation circuits that require reliable flow switching. A coil rated at 24 V DC energizes the solenoid, while a rated current of 1.25 A defines the electrical load presented to the control supply. The DIN EN 175301-803 (K4) plug gives a standardized electrical connection for quick replacement. A manual override is provided so maintenance personnel can shift the spool without power during setup or fault recovery. Fluid cleanliness must be kept to ISO 4406 20/18/15 to prevent accelerated wear on the metering edges. The coil surface may reach 120 °C, so ambient temperature and duty cycle must be planned accordingly. An IP65 protection class shields the housing from dust and water jets in typical machine environments. The single-solenoid assembly weighs 1.45 kg, which influences manifold support requirements.
The valve accommodates operating pressures up to 350 bar on ports P, A, and B, permitting use in high-pressure actuator lines, while the tank port withstands 210 bar in direct current service to suit pressurized returns. A maximum flow rating of 80 l/min defines the largest volume the spool can pass without excessive pressure loss. The porting pattern ISO 4401-03-02-0-05 aligns with standard CETOP 3 subplates for straightforward mounting. An inductive QM position switch mounted on spool b supplies status feedback, and it is powered from a 24 V DC source common to many controllers. A throttle insert positioned in port P with a 1.2 mm orifice moderates inlet flow to damp rapid shifts and reduce shock. Together these characteristics allow the valve to regulate motion speeds, withstand typical system pressures, and report position to the automation system without additional sensors.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Coil Rated Current (24 V)
1.25 A
Coil Rated Voltage
24 V DC
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Yes
Max Surface Temp (coil)
120 °C
Max Tank Port Pressure (dc)
210 bar
Maximum Flow (dc)
80 l/min
Maximum Operating Pressure (p/a/b)
350 bar
Porting Pattern
ISO 4401-03-02-0-05
Position Switch Supply
24 V DC
Position Switch Type
Inductive QM (spool b)
Protection Class (ip)
IP65
Throttle Insert
Port P Ø 1.2 mm
Weight (1 Solenoid)
1.45 kg
1620 Old Apex Road
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