Bosch Rexroth | 4WRZE32W6-520-7X6EG24N9ETK31F1D3V
4WRZE32W6-520-7X/6EG24N9ETK31/F1D3V
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The 4WRZE32W6-520-7X/6EG24N9ETK31/F1D3V proportional directional valve belongs to the WRZ Proportional Directional Valves series from Bosch Rexroth and is intended to meter flow and control actuator direction in hydraulic automation. It handles a nominal flow of 520 l/min at a 10 bar differential, and its main stage tolerates operating pressures up to 350 bar for use in high-pressure circuits. The pilot stage is supplied and drained internally and is limited to 25 bar, reducing external lines. Port diameters for a, b, p, and t are 38 mm, and the mounting interface follows ISO 4401-10-08-0-94, allowing direct installation on standard manifolds. A concealed manual override lets maintenance staff shift the spool without dismantling covers.
The solenoid section runs from a 24 V DC supply and can draw up to 2.5 A at full actuation. Coil resistance is 2 Ω when cold and rises to 3 Ω when hot, parameters that dictate current across the operating range. A 100 % duty cycle supports continuous service, and the winding endures temperatures to 150 °C. Electrical connection is made through a DIN EN 175201-804 plug for quick replacement, and the housing meets IP65 to resist dust and low-pressure water jets. FKM seals provide chemical and thermal compatibility with standard hydraulic oils, rounding out the protection scheme.
Technical Specifications
Coil Resistance (cold)
2 Ω
Coil Resistance (hot)
3 Ω
Duty Cycle
100%
Electrical Connection
DIN EN 175201-804
Manual Override
Concealed
Max Coil Temperature
150 °C
Max Current
2.5 A
Max Operating Pressure
350 bar
Max Pilot Pressure
25 bar
Nominal Flow (Δp 10 Bar)
520 l/min
Pilot Oil Supply/drain
Internal (ET)
Port Diameter (a,b,p,t)
38 mm
Porting Pattern
ISO 4401-10-08-0-94
Protection Class
IP65
Seal Material
FKM
Supply Voltage
24 V DC
1620 Old Apex Road
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