Bosch Rexroth | 4WRZE32W6-520-7X6EG24N9ETK31A1D3V
4WRZE32W6-520-7X/6EG24N9ETK31/A1D3V
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The 4WRZE32W6-520-7X/6EG24N9ETK31/A1D3V valve belongs to the WRZ Proportional Directional Valves series from Bosch Rexroth and regulates flow and direction in hydraulic automation systems. A mounting interface matching ISO 4401-10-08-0-94 lets the unit bolt directly to standardized subplates, while a nominal flow of 520 l/min at a 10 bar differential supports large actuators. The main stage tolerates up to 350 bar operating pressure, allowing it to work in high-pressure circuits. A pilot oil flow of 15.9 l/min and a pilot oil volume of 26.5 cm³ govern spool positioning across the full control range. Electrical characteristics include a 2 Ω coil resistance measured at 20 °C, a 24 V DC supply for the integrated solenoid electronics, and a ±10 V command signal that provides proportional metering from external controllers.
A continuous 100 % duty cycle keeps the valve energized without scheduled cooldown periods, and a DIN EN 175201-804 connector simplifies field wiring. The electronics draw 1.8 A during normal operation, with a maximum solenoid current of 2.5 A available for peak demands. An IP65 enclosure rating seals the unit against dust ingress and water jets, while a permissible coil temperature of 150 °C defines its thermal operating limit. The internal return port withstands up to 30 bar backpressure, preventing pilot stage interference when downstream lines see elevated pressure. A subplate weight of 42.2 kg provides mechanical stability once the assembly is installed.
Technical Specifications
Coil Resistance (20 °c)
2 Ω
Command Signal
±10 V
Duty Cycle
100%
Electrical Connector
DIN EN 175201-804
Electronics Current Consumption
1.8 A
Ip Rating
IP65
Max Coil Temperature
150 °C
Max Operating Pressure (main)
350 bar
Max Return Flow Pressure (t, Internal)
30 bar
Max Solenoid Current
2.5 A
Mounting Interface
ISO 4401-10-08-0-94
Nominal Flow (Δp=10 Bar)
520 l/min
Pilot Oil Flow (0→100%)
15.9 l/min
Pilot Oil Volume (0→100%)
26.5 cm3
Supply Voltage
24 V DC
Weight (subplate)
42.2 kg
1620 Old Apex Road
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