Bosch Rexroth | 4WRZE10W6-85-7X6EG24N9ETK31F1D3V
4WRZE10W6-85-7X/6EG24N9ETK31/F1D3V
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The 4WRZE10W6-85-7X/6EG24N9ETK31/F1D3V proportional directional valve belongs to the WRZ Proportional Directional Valves series from Bosch Rexroth and is intended for closed-loop hydraulic automation where precise metering of flow and pressure is required. A size 10 body with the ISO 4401-05-05-0-94 mounting pattern lets the unit bolt directly to standard subplates, simplifying manifold design. The valve meters up to 85 L/min at a 10 bar differential, so it suits medium-capacity cylinders and motors. Its main ports tolerate 315 bar, while port T handles internal return pressures up to 30 bar, protecting the housing against back-pressure spikes. Pilot operation draws only 3.5 L/min and fills 1.7 cm³, enabling fast spool response with low energy loss. The solenoid accepts a current command interface identified as F1, allowing direct control from proportional amplifiers. Continuous operation is supported by a 100 percent duty cycle, ensuring the armature can hold position without thermal derating.
Electrical power is supplied at 24 V DC through a connector that follows DIN EN 175201-804, providing a familiar interface for machine wiring. An IP65 ingress rating keeps dust and water jets out of the coil housing, so the valve can be mounted on exposed machinery frames. A concealed manual override is present, enabling maintenance staff to shift the spool mechanically when electrical control is unavailable. The coil insulation withstands temperatures up to 150 °C, helping the assembly survive elevated oil or ambient heat. FKM seals resist synthetic and mineral fluids, extending service life in chemically aggressive circuits. At 8.0 kg, the valve adds minimal mass to compact power units yet remains stiff enough to maintain alignment under load.
Technical Specifications
Command Interface
Current (F1)
Duty Cycle
100%
Electrical Connection
DIN EN 175201-804
Ingress Protection
IP65
Manual Override
Concealed
Max Coil Temperature
150 C
Max Operating Pressure (main)
315 bar
Max Return Pressure (port T, Internal)
30 bar
Mounting Pattern
ISO 4401-05-05-0-94
Nominal Flow (10 Bar Dp)
85 L/min
Pilot Oil Flow (0-100%)
3.5 L/min
Pilot Oil Volume (0-100%)
1.7 cm3
Seals
FKM
Size
10
Supply Voltage
24 V DC
Weight
8.0 kg
1620 Old Apex Road
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