Bosch Rexroth | 4WE6D6XOFEG24NK4
4WE6D6X/OFEG24NK4
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The 4WE6D6X/OFEG24NK4 valve is produced by Bosch Rexroth as part of the WE Directional Spool Valves series and directs hydraulic flow in automated machinery. It uses a 24 VDC coil so control cabinets can energize the spool directly from standard logic power supplies. The coil draws a nominal 30 W, which technicians consider when sizing power outputs. Because the duty cycle is rated at 100% ED, the solenoid may remain energized continuously during long process sequences. Insulation class F and a permitted coil surface temperature of 120 °C protect windings against thermal stress. A voltage tolerance of ±10 % lets the electromagnet function despite minor supply deviations. The valve can shift up to 4.2 times per second, providing rapid response for cyclic positioning tasks. Its direct-operated spool handles flows up to 80 l/min, matching medium-capacity pumps and actuators.
Maximum operating pressure of 350 bar on ports A, B, and P allows the component to control high-pressure circuits without external boosters. The tank port withstands 210 bar, so backpressure from long return lines does not compromise function. Maintaining oil cleanliness at ISO 4406 class 20/18/15 limits contamination that could stick the spool or erode edges. A detent mechanism holds the spool in its last position when power is removed, which compensates for the absence of a spring return. The built-in manual override enables technicians to reposition the valve during setup or electrical failure. Mounting follows NFPA T3.5.1 R2-2002 D03, and the ISO 4401-03-02-0-05 porting pattern aligns passageways with common subplates. These standardized dimensions allow quick exchange during maintenance periods.
Technical Specifications
Coil Max Surface Temperature
120 °C
Coil Voltage
24 VDC
Detent
Yes
Duty Cycle
100% ED
Fluid Cleanliness Class
ISO 4406 (c) 20/18/15
Insulation Class (dc)
F
Manual Override
Yes
Max Flow (dc)
80 l/min
Max Operating Pressure (a/b/p)
350 bar
Max Switching Frequency (dc)
4.2 1/s
Mounting Interface
NFPA T3.5.1 R2-2002 D03
Nominal Coil Power
30 W
Porting Pattern
ISO 4401-03-02-0-05
Spring Return
None
Tank Port Pressure Max (t, Dc)
210 bar
Voltage Tolerance
±10%
1620 Old Apex Road
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