Bosch Rexroth | 4WEH32L6X6EG24N9ES2K410B08
4WEH32L6X/6EG24N9ES2K4/10B08
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The 4WEH32L6X/6EG24N9ES2K4/10B08 directional spool valve is produced by Bosch Rexroth within the WEH Directional Spool Valves series and directs hydraulic flow for automated machine actuation. The unit is built for NG32 interfaces, permitting high throughput circuits, and its maximum flow of 1100 l/min supports large-volume cylinders. Channels p, a, and b tolerate up to 280 bar operating pressure for high-force work. The spool designated L defines the flow paths between pressure and service ports, while pilot control relies on a 24 V DC coil supplied internally with oil and returned externally. The mounting face follows ISO 4401-10-09-0-05, so it mates with common subplates.
During operation the pilot stage withstands 250 bar yet needs at least 8.5 bar to shift the spring-centered spool. Switching dynamics can be tuned by the discharge control feature marked S2, and a built-in Ø0.8 mm throttle insert labeled B08 stabilizes pilot flow. The valve handles hydraulic media from 2.8 to 500 mm²/s and works in a temperature band of –20 to +80 °C. Electrical hookup uses a DIN EN 175301-803 connector, and a concealed N9 manual override allows emergency actuation without disturbing wiring. The assembly weighs 41.0 kg, a factor to consider when selecting manifold support.
Technical Specifications
Approximate Weight
41.0 kg
Coil Voltage (pilot)
24 V DC
Electrical Connection
DIN EN 175301-803
Hydraulic Fluid Temperature (nbr)
-20 to +80 °C
Manual Override
Concealed (N9)
Max Operating Pressure (p,a,b)
280 bar
Max Pilot Pressure
250 bar
Maximum Flow
1100 l/min
Min Pilot Pressure (spring-centered)
8.5 bar
Nominal Size
NG32
Pilot Oil Configuration
Internal Supply, External Return (E)
Porting Pattern
ISO 4401-10-09-0-05
Spool Symbol
L
Switching Time Adjustment
Discharge Control (S2)
Throttle Insert
Ø0.8 mm (B08)
Viscosity Range
2.8 to 500 mm²/s
1620 Old Apex Road
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