Bosch Rexroth | 4WRZE25W6-325-7X6EG24N9ETK31F1D3V
4WRZE25W6-325-7X/6EG24N9ETK31/F1D3V
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The 4WRZE25W6-325-7X/6EG24N9ETK31/F1D3V proportional directional valve is produced by Bosch Rexroth for the WRZ Proportional Directional Valves series. It regulates flow and switching functions in hydraulic automation circuits where precise electro-hydraulic control is required. The unit is built in size 25, and at a pressure drop of 10 bar it passes a nominal flow of 325 l/min to support large actuator demands. Main ports tolerate up to 350 bar operating pressure so it fits high-pressure systems. Spool position is modulated by a 4 to 20 mA command current, while the on-board electronics derive power from a 24 V DC supply. Control signals drive a pilot stage in size 6, and pilot oil is both supplied and drained internally to eliminate external lines. A ZDR 6 DP0-4X/40YM-W80 pressure reducing valve limits pilot pressure for consistent response. The housing follows the ISO 4401-08-07-0-94 mounting interface for subplate installation.
An IP65 degree of protection shields the electronics and coils from dust ingress and water jets frequently encountered around hydraulic power units. Electrical connection is established through a DIN EN 175201-804 plug, a standard that provides keyed contacts and strain relief for mobile service. A concealed manual override permits direct spool actuation for testing while keeping accidental activation unlikely once the cover is in place. The internal return path withstands 30 bar, allowing the valve to share back-pressure manifolds without risk of cavitation. With a weight of 18.4 kg, installers often use lifting hooks integrated in the subplate to position the assembly accurately and prevent strain on wiring. These mechanical and environmental attributes round out the specification set required for dependable proportional control in industrial hydraulic automation.
Technical Specifications
Command Signal Max
20 mA
Command Signal Min
4 mA
Degree Of Protection
IP65
Electrical Connector
DIN EN 175201-804
Manual Override
Concealed
Max Operating Pressure (main)
350 bar
Max Return Pressure (t, Internal)
30 bar
Mounting Interface
ISO 4401-08-07-0-94
Nominal Flow (Δp 10 Bar)
325 l/min
Pilot Oil Drain
Internal
Pilot Oil Supply
Internal
Pilot Valve Size
6
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Size
25
Supply Voltage
24 V DC
Weight
18.4 kg
1620 Old Apex Road
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