Bosch Rexroth | 4WRZE25W8-325-7X6EG24N9EK31F1D3V
4WRZE25W8-325-7X/6EG24N9EK31/F1D3V
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The 4WRZE25W8-325-7X/6EG24N9EK31/F1D3V valve is produced by Bosch Rexroth for the WRZ Proportional Directional Valves series. It is engineered to regulate flow and direction in hydraulic automation systems. The unit has a nominal size of 25 and delivers a nominal flow of 325 l/min at a 10 bar differential pressure. Its main stage withstands operating pressures up to 350 bar. Electronic actuation relies on a 4 to 20 mA command signal and a 24 V DC supply. Connection to system wiring is via a DIN EN 175201-804 plug, and the housing follows the ISO 4401-08-07-0-94 mounting pattern for subplate installation.
The valve supports internal or external pilot oil supply and drain arrangements, giving flexibility in circuit design. A concealed manual override permits emergency operation without disturbing the enclosure. Static hysteresis remains at or below 6 %, providing repeatable spool positioning. The hydraulic circuit must use mineral oil of the HL or HLP classes specified in DIN 51524, and all dynamic seals are manufactured from FKM for temperature and chemical resistance. An integrated pressure reducing valve designated ZDR 6 DP0-4X/40YM-W80 conditions pilot pressure before it reaches the control stage. The assembled unit weighs 18.4 kg in subplate form and carries an IP65 protection rating against dust and low-pressure water jets.
Technical Specifications
Command Signal
4 to 20 mA
Electrical Connection
DIN EN 175201-804
Hydraulic Fluid
Mineral Oil (HL, HLP) to DIN 51524
Hysteresis
≤ 6 %
Manual Override
Concealed
Max Operating Pressure (main Valve)
350 bar
Mounting Pattern
ISO 4401-08-07-0-94
Nominal Flow (∆p 10 Bar)
325 l/min
Nominal Size
25
Pilot Oil Supply/drain
Internal/External
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Seal Material
FKM
Supply Voltage (electronics)
24 V DC
Type Of Protection
IP65
Weight (subplate Mounting)
18.4 kg
1620 Old Apex Road
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