Bosch Rexroth | 4WRZE32E520-7X6EG24ETK31A1D3V
4WRZE32E520-7X/6EG24ETK31/A1D3V
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The 4WRZE32E520-7X/6EG24ETK31/A1D3V proportional directional valve is built by Bosch Rexroth within the WRZ Proportional Directional Valves series. It modulates spool position to adjust flow and direction in hydraulic actuators used in automated presses, molding machines, and test rigs. The nominal size of 32 defines the passage cross-section and supports a nominal flow of 520 l/min at a 10 bar pressure drop, so large cylinders can be driven without throttling. A maximum operating pressure of 350 bar permits integration in high-pressure circuits, while the port T line may carry up to 30 bar internally before return. The ISO 4401-10-08-0-94 porting pattern matches common subplates to simplify manifold layout. An IP65 protection class guards the integral coil and electronics against dust and low-pressure jets of water, and the assembled unit weighs 42.2 kg, reflecting its heavy-duty construction.
Control electronics operate from a 24 V DC supply, and they accept a ±10 V command signal so standard analog controllers can set the spool position. The coil draws up to 2.5 A, so drive stages must be dimensioned accordingly, and its 2 Ω resistance at 20 °C establishes the cold current limiting point. Continuous duty is supported because the winding may reach 150 °C without damage. The on-board electronics consume 1.8 A, which helps size the power budget in the cabinet. A DIN EN 175201-804 electrical connector provides standardized pinout for power, feedback, and command leads. FKM seals resist mineral oil and many synthetic fluids, extending service life in aggressive media. Internal pilot oil supply and drain eliminate external pilot lines, reducing installation complexity.
Technical Specifications
Coil Resistance (20 °c)
2 Ω
Command Signal Input
±10 V
Electrical Connector
DIN EN 175201-804
Max Coil Current
2.5 A
Max Coil Temperature
150 °C
Max Operating Pressure (main)
350 bar
Max Port T Pressure (internal)
30 bar
Nominal Flow (Δp 10 Bar)
520 l/min
Nominal Size
32
Obe Current Consumption
1.8 A
Pilot Oil Supply/drain
Internal/Internal
Porting Pattern
ISO 4401-10-08-0-94
Protection Class
IP65
Seals
FKM
Supply Voltage
24 V DC
Weight
42.2 kg
1620 Old Apex Road
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