Bosch Rexroth | 4WRZE25W6-325-7X6EG24N9ETK31F1M
4WRZE25W6-325-7X/6EG24N9ETK31/F1M
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The 4WRZE25W6-325-7X/6EG24N9ETK31/F1M valve is built by Bosch Rexroth within the WRZ Proportional Directional Valves series and regulates hydraulic flow and direction in automated circuits. The valve uses nominal size 25 to match large manifold cavities. A supply voltage of 24 VDC powers its integrated electronics, while a maximum current consumption of 1.8 A limits the load on the control power supply. Command signals are accepted as a 4 to 20 mA loop, letting standard process controllers issue position requests. A command value overlap of 15 % provides a defined deadband that stabilizes the neutral position. The electrical connection follows DIN EN 175201-804, so plug-in connectors can be wired quickly. An IP65 protection class keeps dust and water jets from reaching the internal coil when the connector is properly fitted. The coil winding tolerates temperatures up to 150 °C, supporting operation in hot power units.
It handles a nominal flow of 325 l/min at a 10 bar pressure drop, allowing high actuation speed for large cylinders. The main stage withstands operating pressures up to 350 bar, enabling use in heavy-duty machinery. Pilot oil is both supplied and drained internally, which removes the need for external pilot lines and simplifies manifold design. The mounting interface matches ISO 4401-08-07-0-94, allowing direct installation on standardized subplates. A concealed manual override permits local actuation without disturbing the enclosure profile. NBR seals are fitted to resist common hydraulic oils while maintaining low leakage. The assembled unit weighs 18.4 kg, so structural supports must account for this mass during mounting. Together, these parameters define a proportional valve that delivers accurate control of high-flow hydraulic circuits in automated plant equipment.
Technical Specifications
Command Input
4 to 20 mA
Command Value Overlap
15%
Electrical Connection
DIN EN 175201-804
Manual Override
Concealed
Max Coil Temperature
150 C
Max Current Consumption
1.8 A
Max Operating Pressure (main)
350 bar
Nominal Flow (10 Bar Dp)
325 l/min
Nominal Size
25
Pilot Oil Drain
Internal
Pilot Oil Supply
Internal
Porting Pattern
ISO 4401-08-07-0-94
Protection Class
IP65
Seal Material
NBR
Supply Voltage
24 VDC
Weight
18.4 kg
1620 Old Apex Road
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