Bosch Rexroth | 4WRZE10W6-85-7X6EG24N9ETK31F1V
4WRZE10W6-85-7X/6EG24N9ETK31/F1V
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The 4WRZE10W6-85-7X/6EG24N9ETK31/F1V proportional directional valve belongs to the WRZ Proportional Directional Valves series from Bosch Rexroth and regulates actuator flow in hydraulic automation. Control is based on an F1 current command, and the coil accepts 24 V DC while drawing up to 1.8 A at peak. A W6 spool provides the metering profile and allows a nominal flow of 85 l/min at a 10 bar differential. The assembly supports system pressures to 350 bar and mounts on a manifold with the ISO 4401 porting pattern. Its pilot stage is size 6, and both pilot oil supply and drain are routed internally, identified by the ET code; this eliminates the need for external pilot lines and simplifies installation.
Signal precision is aided by a 15 % command value overlap that minimizes leakage near the neutral position. Wiring is completed through a DIN EN 175201-804 connector, and the housing achieves an IP65 degree of protection against dust and water jets. The unit operates with HL or HLP oils conforming to DIN 51524, and media containment is handled by FKM seals marked with the V suffix. A concealed N9 manual override lets technicians shift the spool mechanically during setup without removing covers. The coil insulation withstands temperatures up to 150 °C, supporting continuous duty in hot environments. These features collectively maintain reliable function for proportional control tasks in industrial hydraulic systems.
Technical Specifications
Command Signal Type
Current (F1)
Command Value Overlap
15%
Current Consumption (imax)
1.8 A
Degree Of Protection
IP65
Electrical Connection
DIN EN 175201-804
Hydraulic Fluid
HL/HLP (DIN 51524)
Manual Override
Concealed (N9)
Max Coil Temperature
150 °C
Max Operating Pressure
350 bar
Nominal Flow (Δp=10 Bar)
85 l/min
Pilot Oil Supply/drain
Internal/Internal (ET)
Pilot Valve Size
6
Porting Pattern
ISO 4401
Seals
FKM (V)
Spool Type
W6
Supply Voltage
24 V DC
1620 Old Apex Road
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