Bosch Rexroth | 4WRZE25E3-325-7X6EG24N9K31A1D3V
4WRZE25E3-325-7X/6EG24N9K31/A1D3V
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The 4WRZE25E3-325-7X/6EG24N9K31/A1D3V is a proportional directional valve manufactured by Bosch Rexroth within the WRZ Proportional Directional Valves series. It meters hydraulic flow to actuators in closed-loop automation systems. The valve is built in nominal size 25, and at a pressure drop of 10 bar it delivers a nominal flow of 325 l/min to support medium-to-high volume circuits. It tolerates operating pressures up to 350 bar, making it suitable for high-pressure manifolds. The internal electronics run from a 24 V DC supply and draw a maximum current of 1.8 A. Spool position is governed by a ±10 V command input that interfaces with common motion controllers. An IP65 protection rating guards the housing against dust ingress and low-pressure water jets during normal plant operation.
The hydraulic interface follows the ISO 4401-08-07-0-94 porting pattern for straightforward sub-plate mounting. Electrical terminations are made through a DIN EN 175201-804 connector, and a concealed manual override allows the spool to be shifted mechanically during servicing. The coil remains functional up to 150 °C, ensuring thermal integrity in continuous duty. Pilot operation requires 7 l/min of oil flow and a volume change of 10 cm³ to move the spool from 0 to 100 percent stroke. The Y drain port can be pressurized to 30 bar, while the tank line accepts 250 bar when an external drain is used and 30 bar when connected internally, providing flexibility in reservoir layouts.
Technical Specifications
Command Value Input
+/- 10 V
Electrical Connection
DIN EN 175201-804
Manual Override
Concealed
Max Coil Temperature
150 °C
Max Current Consumption (obe)
1.8 A
Max Operating Pressure
350 bar
Max Port Y Pressure
30 bar
Max Tank Port Pressure (external Drain)
250 bar
Max Tank Port Pressure (internal Drain)
30 bar
Nominal Flow (10 Bar Dp)
325 l/min
Nominal Size
25
Pilot Oil Flow (0 To 100%)
7 l/min
Pilot Oil Volume (0 To 100%)
10 cm3
Porting Pattern
ISO 4401-08-07-0-94
Supply Voltage
24 V DC
Type Of Protection
IP65
1620 Old Apex Road
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