Bosch Rexroth | 4WEH10Q4X6EG24N9ETK4N08
4WEH10Q4X/6EG24N9ETK4/N08
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The 4WEH10Q4X/6EG24N9ETK4/N08 valve is produced by Bosch Rexroth as part of the WEH Directional Spool Valves series and directs hydraulic flow in automated circuits by shifting a Q-type spool with a solenoid. The unit uses a 24 V DC coil that connects through a DIN EN 175301-803 K4 plug, allowing quick wiring on machine panels. Nominal size is NG10, and the mounting interface follows ISO 4401-07-07-0-05 for compatibility with standard subplates. Installation requires four M6 × 45 screws, and the mounting type is subplate to keep piping compact. Pilot oil is supplied internally, and the return path is also internal to port T, so no external pilot lines are necessary. A minimum pilot pressure of 12 bar is needed to shift the spool, while the mean time to dangerous failure is 100 years, supporting long service intervals.
When energized, the valve handles a maximum flow of 160 l/min through the Q spool, and passages p, a, and b can be pressurized up to 280 bar during operation. Pilot stages tolerate up to 250 bar, and the tank port t is limited to 210 bar to protect seals. In the neutral position the a–t cross-section measures 13 mm², which restricts leakage when the spool is centered. Hydraulic oil must meet cleanliness class ISO 4406 20/18/15 to prevent wear of the sliding fit. These pressure and flow ratings let the component manage medium-size actuators in machinery while staying within defined safety margins.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Coil Voltage (dc)
24 V
Electrical Connection
DIN EN 175301-803 (K4)
Max Flow (spool Q)
160 l/min
Max Operating Pressure (p,a,b)
280 bar
Max Pilot Pressure
250 bar
Max Tank Port Pressure (t)
210 bar
Min Pilot Pressure
12 bar
Mounting Interface
ISO 4401-07-07-0-05
Mounting Screws
4x M6 x 45
Mounting Type
Subplate Mounting
Mttfd
100 years
Nominal Size
NG10
Pilot Oil Return
Internal (T)
Pilot Oil Supply
Internal
Zero Position Cross-section (a–t)
13 mm²
1620 Old Apex Road
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