Bosch Rexroth | 4WE6HA6XEG24N9K72LA12-AN
4WE6HA6X/EG24N9K72L/A12 AN
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The 4WE6HA6X/EG24N9K72L/A12 AN valve belongs to the WE Directional Spool Valves series and is manufactured by Bosch Rexroth to shift hydraulic flow paths in automated equipment. It is built to nominal size 6, so the flow galleries align with compact D03 manifold passages. A porting pattern defined as ISO 4401-03-02-0-05 maintains interchangeability with standard subplates, while the NFPA T3.5.1 D03 interface duplicates the same mounting geometry. The valve tolerates 350 bar at ports p, a, and b, letting it operate in high-pressure circuits, and it passes up to 80 l/min in direct-current service to satisfy medium-flow actuators. The solenoid coil is rated for 24 V DC, and a voltage tolerance of ±10% keeps performance consistent when supply levels fluctuate. Electrical consumption stays at 30 W, a figure used to size power supplies and heat dissipation allowances.
Fluid entering the valve must meet ISO 4406 cleanliness class 20/18/15, which limits particle contamination that could score the spool lands. An M12x1 four-pole K72L connector carries the control signal and simplifies quick replacement of the coil or wiring. Continuous operation is possible because the design supports a 100% ED duty cycle, allowing the solenoid to remain energized indefinitely. A concealed N9 manual override is included so technicians can shift the spool mechanically without exposing the plunger to accidental activation. The permitted coil surface temperature reaches 120 °C, defining the upper thermal limit for insulation and seal materials. Switching actions are specified at a maximum of 1 Hz for this configuration, guiding cycle-time calculations in reciprocating systems. The tank port withstands 210 bar, ensuring the return line can handle back-pressure without jeopardizing valve integrity.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Connector Type
M12x1 4-Pole (K72L)
Duty Cycle
100% ED
Manual Override
Concealed (N9)
Max Coil Surface Temperature
120 °C
Max Flow (dc)
80 l/min
Max Operating Pressure (p,a,b)
350 bar
Max Switching Frequency (k72l)
1 Hz
Max Tank Port Pressure (dc)
210 bar
Nfpa Interface
T3.5.1 D03
Nominal Power
30 W
Nominal Size
6
Nominal Voltage
24 V DC
Porting Pattern
ISO 4401-03-02-0-05
Voltage Tolerance
±10%
1620 Old Apex Road
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