Bosch Rexroth | 4WE6H6XEG24N9K4062SO43A-1799
4WE6H6X/EG24N9K40/62SO43A-1799
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The 4WE6H6X/EG24N9K40/62SO43A-1799 directional spool valve belongs to the WE Directional Spool Valves series from Bosch Rexroth and routes hydraulic flow in automation circuits. It is built in valve size 6, allowing installation on compact NG6 subplates. The porting pattern follows ISO 4401-03-02-0-05 so the ports align with standard manifold passages, while a NFPA D03 mounting interface eases interchange with common base plates. Shifting is performed by a wet-pin solenoid, which keeps the coil separated from the fluid yet immerses the armature for efficient cooling and fast response. The coil is rated for 24 VDC, and a ±10 % voltage tolerance lets it operate where supply levels fluctuate slightly. A DT04-2PA connector provides a sealed electrical link suitable for mobile or humid environments. The valve includes a concealed manual override, enabling service personnel to move the spool mechanically during diagnostics while keeping the push pin protected during normal use.
The hydraulic performance permits a continuous flow of up to 80 l/min while maintaining controlled spool positioning. Channels p, a, and b can be pressurized to 350 bar, matching the requirements of high-pressure actuator circuits, whereas the tank port is limited to 210 bar to protect return-line components. The solenoid consumes 30 W, so heat dissipation remains moderate even in compact power units. Because the duty cycle is 100 % ED (S1), the coil may remain energized indefinitely without thermal overload. Bosch Rexroth designates installation position as unrestricted, allowing the valve to be mounted horizontally or vertically according to manifold layout. A locating hole sized ISO 8752-3x8-St simplifies alignment during assembly and secures the body against vibration. The recommended fluid cleanliness level of ISO 4406 20/18/15 protects the precision-ground spool and sleeve from abrasive wear.
Technical Specifications
Actuation Type
Wet-Pin Solenoid (E)
Cleanliness Class
ISO 4406 20/18/15
Duty Cycle
100% ED (S1)
Electrical Connector
DT04-2PA (K40)
Installation Position
Any
Locating Hole
ISO 8752-3x8-St (/62)
Manual Override
Concealed (N9)
Max Flow (dc)
80 l/min
Max Operating Pressure (p,a,b)
350 bar
Max Tank Port Pressure (dc)
210 bar
Mounting Interface
NFPA D03
Nominal Power (dc)
30 W
Nominal Voltage
24 VDC
Porting Pattern
ISO 4401-03-02-0-05
Valve Size
6 (NG6)
Voltage Tolerance
±10%
1620 Old Apex Road
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