Bosch Rexroth | 4WRZE10W6-85-7X6EG24N9ETK31F1D3M
4WRZE10W6-85-7X/6EG24N9ETK31/F1D3M
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The 4WRZE10W6-85-7X/6EG24N9ETK31/F1D3M valve is part of the WRZ Proportional Directional Valves series and is produced by Bosch Rexroth for closed-loop hydraulic automation. The unit controls actuator speed and direction by modulating flow through its size 10 body. It mounts on subplates that follow ISO 4401-05-05-0-94 and connects to the circuit through 11 mm a, b, p, t, and t1 ports. At a 10 bar differential the spool admits 85 l/min, while the main stage withstands system pressures up to 350 bar. Command signals arrive as 4–20 mA and are powered by a 24 VDC supply so the electronics can provide continuous positioning at a 100 % duty cycle. Mineral-oil fluids of the HL or HLP groups defined in DIN 51524 are compatible, and NBR seals contain the medium. A concealed manual override lets maintenance personnel shift the spool mechanically when needed.
An IP65 housing protects the solenoid electronics against dust and low-pressure wash-down, matching the environmental demands of mobile and industrial presses. Electrical power and feedback are routed through an EN 175201-804 K31 connector, which simplifies wiring during panel assembly and supports quick exchange. Internal pilot supply eliminates the need for a separate feed line, while internal pilot drain returns control oil to the tank without external piping, reducing manifold drillings. The pilot stage works with pressures up to 25 bar to translate the electrical command into spool movement with repeatable accuracy. These features minimize external hoses, shorten commissioning time, and help the 4WRZE10W6-85-7X/6EG24N9ETK31/F1D3M deliver proportional flow control inside densely packed hydraulic systems.
Technical Specifications
Command Input
4 to 20 mA
Duty Cycle
100%
Electrical Connector
EN 175201-804 (K31)
Hydraulic Fluid
Mineral Oil (HL, HLP) DIN 51524
Manual Override
Concealed
Max Operating Pressure
350 bar
Mounting Interface
ISO 4401-05-05-0-94
Nominal Flow (10 Bar Δp)
85 l/min
Pilot Drain
Internal
Pilot Pressure Max (main Valve)
25 bar
Pilot Supply
Internal
Port Diameter (a/b/p/t/t1)
11 mm
Protection Class
IP65
Seals
NBR
Size
10
Supply Voltage
24 VDC
1620 Old Apex Road
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