Bosch Rexroth | 4WRZE25E325-7X6EG24N9K31A1V
4WRZE25E325-7X/6EG24N9K31/A1V
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The 4WRZE25E325-7X/6EG24N9K31/A1V valve is built by Bosch Rexroth for the WRZ Proportional Directional Valves series to modulate actuator motion in hydraulic automation. It operates from a 24 V DC supply that powers the on-board electronics, and it accepts a ±10 V command signal so a controller can position the spool proportionally. The main flow path tolerates 350 bar, giving the unit capability for high-pressure work circuits. A nominal flow of 325 l/min at 10 bar differential is available, while 25 mm A, B, and T ports keep velocity within acceptable limits. External return pressure up to 250 bar on port T lets the valve discharge into back-pressure lines. Installation follows the ISO 4401-08-07-0-94 interface for straightforward subplate mounting, and the product weight of 18.4 kg must be considered when supporting the manifold.
Hysteresis is held below 6 percent to maintain predictable correspondence between the input signal and delivered flow. Continuous current consumption is limited to 1.8 A, while a 3 A power pulse is available to move the spool rapidly at shift initiation. A DIN EN 175201-804 electrical connector provides a standardized plug for coil wiring. The concealed manual override allows local actuation during setup without exposing the control to accidental use. Hydraulic fluid cleanliness should meet ISO 4406 20/18/15 to protect the precision edges inside the metering slots. Port Y withstands 30 bar so the pilot drain can empty into pressurized return circuits. FKM seals are fitted to resist common mineral oils and elevated temperatures, completing the valve’s suitability for demanding proportional control loops.
Technical Specifications
Command Signal
±10 V
Current Consumption (max)
1.8 A
Electrical Connector
DIN EN 175201-804
Fluid Cleanliness Class (main)
ISO 4406 20/18/15
Hysteresis (max)
6%
Manual Override
Concealed
Max Operating Pressure (main)
350 bar
Mounting Interface
ISO 4401-08-07-0-94
Nominal Flow (10 Bar ∆p)
325 l/min
Port Diameter A/b/t
25 mm
Port Y Pressure (max)
30 bar
Power Pulse Current
3 A
Return Port T Pressure (external)
250 bar
Seals
FKM
Supply Voltage
24 V DC
Weight
18.4 kg
1620 Old Apex Road
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