Bosch Rexroth | 4WRZ10E85-7X6EG24N9ETK4D3V
4WRZ10E85-7X/6EG24N9ETK4/D3V
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The 4WRZ10E85-7X/6EG24N9ETK4/D3V proportional directional valve is manufactured by Bosch Rexroth for the WRZ Proportional Directional Valves series. It meters hydraulic flow and controls cylinder or motor direction in automated equipment. The valve is supplied in size 10, supporting a nominal flow of 85 l/min at a differential pressure of 10 bar. The main ports withstand up to 315 bar, allowing operation in high-pressure circuits. A command value overlap of 15 percent provides a defined neutral zone for stable positioning. The solenoid operates on 24 V DC, and a coil resistance of 4.8 Ω at 20 °C matches this supply. Maximum current is limited to 1.5 A to prevent overheating, while a continuous duty cycle of 100 percent supports uninterrupted service.
The electrical connection follows the DIN EN 175301-803 pattern, simplifying integration with standard cable sets. A concealed manual override labeled N9 permits local actuation without exposing the spool during routine setup. The coil insulation tolerates temperatures up to 150 °C, extending service life in hot manifolds. The housing bolts to subplates with the ISO 4401-05-05-0-94 mounting interface for interchangeability within modular stacks. Each working, tank, and pressure port is drilled to 11 mm, matching common pipe sizes and minimizing pressure loss. Internal return pressure is limited to 30 bar at port T to protect the seals. FKM sealing elements resist mineral oils and many synthetic fluids, and the assembled unit weighs 7.8 kg, which eases handling during maintenance.
Technical Specifications
Coil Resistance (20 °c)
4.8 Ω
Command Value Overlap
15%
Connector Standard
DIN EN 175301-803
Duty Cycle
100%
Manual Override
Concealed (N9)
Max Coil Temperature
150 °C
Max Current
1.5 A
Max Operating Pressure (main)
315 bar
Max Return Pressure Port T (internal)
30 bar
Mounting Interface
ISO 4401-05-05-0-94
Nominal Flow (Δp 10 Bar)
85 l/min
Port Diameter A/b/t/t1/p
11 mm
Rated Voltage
24 V DC
Seal Material
FKM (V)
Size
10
Weight
7.8 kg
1620 Old Apex Road
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