Bosch Rexroth | 4WRZE32E520-7X6EG24K31A1V
4WRZE32E520-7X/6EG24K31/A1V
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The 4WRZE32E520-7X/6EG24K31/A1V directional proportional valve is produced by Bosch Rexroth and belongs to the WRZ Proportional Directional Valves series. It is used to meter and direct hydraulic flow in automated machinery. The valve is built to the size 32 envelope and follows the ISO 4401 porting pattern, enabling direct mounting on standard subplates. Its spool is identified by symbol E, defining overlap and metering edges consistent with servo-controlled actuator movement. Under a pressure differential of 10 bar the valve passes a nominal flow of 520 l/min, while the main stage can reach 1600 l/min if required. The assembly withstands 350 bar at the main ports, 150 bar on the return flow at port T, and 30 bar on the drain line at port Y. These pressure and flow ratings allow stable control in high power hydraulic circuits.
Electrical actuation is supplied by a 24 V DC coil that accepts a ±10 V command signal from the motion controller. Continuous service is possible because the solenoid is rated for a 100% duty cycle and remains functional up to a coil temperature of 150 °C. The coil draws 1.8 A during steady operation and may require a 3 A power pulse for rapid spool positioning. Wiring is completed through a connector that complies with DIN EN 175201-804, simplifying replacement in existing panels. A subplate weight of 42.2 kg supports the mass of the main valve body and secures it against vibration. These electrical limits and mechanical details ensure reliable proportional control when the valve is integrated into closed-loop automation systems that demand precise pressure regulation and repeatable flow response.
Technical Specifications
Command Signal
±10 V
Duty Cycle
100%
Electrical Connection
DIN EN 175201-804
Max Coil Temperature
150 °C
Max Current Consumption
1.8 A
Max Main Valve Flow
1600 l/min
Max Operating Pressure (main)
350 bar
Max Pressure (port Y)
30 bar
Max Return Flow Pressure (port T)
150 bar
Nominal Flow (Δp=10 Bar)
520 l/min
Porting Pattern
ISO 4401
Power Pulse Current
3 A
Spool Symbol
E
Supply Voltage
24 V DC
Valve Size
32
Weight (subplate)
42.2 kg
1620 Old Apex Road
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