Bosch Rexroth | 4WE6J6XEW42N9K4B10
4WE6J6X/EW42N9K4/B10
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The 4WE6J6X/EW42N9K4/B10 valve is part of the WE Directional Spool Valves series produced by Bosch Rexroth for hydraulic automation duties where responsive on/off control of pressure lines is required. It occupies the size 6 (NG6) envelope, making it suitable for compact D03 manifolds. The porting pattern follows ISO 4401-03-02-0-05, which aligns drillings for straightforward subplate mounting. A maximum operating pressure of 350 bar enables the spool to switch high-pressure supply ports, while tank ports are restricted to 160 bar in AC service and 210 bar in DC service to protect return circuits. Flow capability reaches 60 l/min with AC excitation and 80 l/min with DC excitation, allowing designers to match coil type to required throughput. A 1.0 mm throttle insert in the P port limits inlet surge and improves metering accuracy during shifting.
The valve tolerates hydraulic fluid from −20 °C to +80 °C so machines can start in cold plants and run continuously in warm environments. Acceptable viscosity extends from 2.8 mm²/s to 500 mm²/s, accommodating seasonal oil changes without compromising response time. System cleanliness must meet ISO 4406 (c) 20/18/15 to keep the spool lands free of abrasive particles. Electrical power reaches the solenoids through a K4 connector compliant with DIN EN 175301-803, which supports quick plug-in replacement. A concealed N9 manual override permits local actuation during commissioning or power loss while preventing unintended operation. With two solenoids fitted, the assembly weighs 1.95 kg so installation does not overload light aluminum manifolds.
Technical Specifications
Cleanliness Class
ISO 4406 (c) 20/18/15
Electrical Connection
K4 (DIN EN 175301-803)
Hydraulic Fluid Temp Max (nbr)
+80 C
Hydraulic Fluid Temp Min (nbr)
-20 C
Manual Override
Concealed (N9)
Max Operating Pressure (a, B, P)
350 bar
Max Tank Port Pressure (ac)
160 bar
Max Tank Port Pressure (dc)
210 bar
Maximum Flow (ac)
60 l/min
Maximum Flow (dc)
80 l/min
Porting Pattern
ISO 4401-03-02-0-05 (D03)
Size
6 (NG6)
Throttle Insert
P Port 1.0 mm (B10)
Viscosity Maximum
500 mm²/s
Viscosity Minimum
2.8 mm²/s
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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