Bosch Rexroth | 4WRZE32W6-520-7X6EG24N9ETK31F1V
4WRZE32W6-520-7X/6EG24N9ETK31/F1V
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The 4WRZE32W6-520-7X/6EG24N9ETK31/F1V valve is produced by Bosch Rexroth for the WRZ Proportional Directional Valves series. It provides closed-loop control of hydraulic actuators in automation systems. The valve is built for size 32 cavities and delivers a nominal flow of 520 l/min at a 10 bar pressure drop. It withstands a main pressure up to 350 bar so it can regulate high-pressure circuits. Command signals are transmitted with a 4 to 20 mA input, and the solenoid operates from a 24 V DC supply while drawing up to 1.8 A. Electrical connection is made through a DIN EN 175201-804 interface, and the porting pattern follows ISO 4401-10-08-0-94 for mounting on standardized subplates.
The unit functions in ambient conditions from −20 to +50 °C and handles hydraulic fluid between −20 and +80 °C. It accepts fluids with viscosities from 20 to 380 mm²/s, enabling use with common mineral oils. The enclosure carries an IP65 rating, protecting internal electronics from dust and low-pressure water jets. A concealed manual override allows local spool actuation during commissioning or power loss. Internal drain circuits tolerate up to 30 bar at port T. FKM seals prevent leakage when exposed to higher temperatures and aggressive media. The assembly weighs 42.2 kg, which should be considered during manifold design and lifting procedures.
Technical Specifications
Ambient Temp Range
−20 to +50 °C
Command Signal
4–20 mA
Electrical Connection
DIN EN 175201-804
Fluid Temp Range
−20 to +80 °C
Ip Rating
IP65
Manual Override
Concealed
Max Current Consumption
1.8 A
Max Operating Pressure (main)
350 bar
Max T Port Pressure (internal Drain)
30 bar
Nominal Flow (Δp 10 Bar)
520 l/min
Nominal Size
32
Porting Pattern
ISO 4401-10-08-0-94
Seal Material
FKM
Supply Voltage
24 V DC
Viscosity Range
20 to 380 mm²/s
Weight
42.2 kg
1620 Old Apex Road
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