Bosch Rexroth | 4WRZ25E325-7X6EG24N9ETK4V
4WRZ25E325-7X/6EG24N9ETK4/V
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The 4WRZ25E325-7X/6EG24N9ETK4/V valve belongs to the WRZ Proportional Directional Valves series manufactured by Bosch Rexroth for automated hydraulic circuits where precise flow control is required. It has a nominal size of 25, allowing the main stage to pass up to 870 l/min while maintaining stable flow characteristics. A maximum operating pressure of 350 bar lets it work in high-pressure power units common in industrial machinery. The solenoid is energized with 24 V DC, and the coil draws up to 1.5 A; a cold resistance of 4.8 Ω establishes the expected inrush current. Continuous energization is possible because the duty cycle is rated at 100%. An IP65 enclosure shields the electrical section from dust and low-pressure water jets so that the valve can mount on exposed manifolds without additional covers.
The mounting interface follows ISO 4401-08-07-0-94, which aligns the ports with standard subplates to simplify replacement and service. Electrical connection is made through a DIN EN 175301-803 plug, enabling quick field wiring and easy coil exchange. Pilot oil supply and drain are internal, eliminating external pilot lines and reducing leak paths. The unit is compatible with HL and HLP hydraulic oils specified in DIN 51524, supporting common mineral-based fluids used in power units. Port T can withstand 250 bar when an external drain is employed, whereas an internal drain limits Port T to 30 bar; Port Y also carries a 30 bar ceiling to protect the pilot circuit. FKM seal material endures typical hydraulic oil temperatures and resists degradation from the specified fluids.
Technical Specifications
Coil Resistance (20 °c)
4.8 Ω
Coil Voltage
24 V DC
Duty Cycle
100%
Electrical Connector
DIN EN 175301-803
Hydraulic Fluid
HL, HLP to DIN 51524
Max Current
1.5 A
Max Flow (main Valve)
870 l/min
Max Operating Pressure (main)
350 bar
Max Pressure Port T (external Drain)
250 bar
Max Pressure Port T (internal Drain)
30 bar
Max Pressure Port Y
30 bar
Mounting Pattern
ISO 4401-08-07-0-94
Nominal Size
25
Pilot Oil Supply/drain
Internal
Protection Rating
IP65
Seal Material
FKM
1620 Old Apex Road
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