Bosch Rexroth | 4WRZE25W8-325-7X6EG24N9ETK31F1D3M
4WRZE25W8-325-7X/6EG24N9ETK31/F1D3M
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The 4WRZE25W8-325-7X/6EG24N9ETK31/F1D3M is supplied by Bosch Rexroth within the WRZ Proportional Directional Valves series. It provides closed-loop control of actuator speed and direction in hydraulic automation circuits. The valve has a nominal size of 25, and its W8 spool form defines the metering edges used to proportion flow. Under a differential pressure of 10 bar it delivers a rated flow of 325 l/min, making it suitable for high-volume lines. Electronic position feedback responds to a 4–20 mA command signal while a 24 VDC feed energizes the solenoids. Coil current may reach 2.5 A at full stroke, so external drivers must accommodate that load. Pressure containing parts are designed for continuous service up to 350 bar.
For mounting, the housing follows the ISO 4401-08-07-0-94 interface so it fits common size-25 sub-plates without adapter blocks. Pilot oil is both supplied and drained internally, which eliminates separate pilot lines. A concealed manual override permits service positioning when electrical power is absent. The single electrical plug conforms to DIN EN 175201-804 and, together with an IP65 enclosure rating, protects the coil assembly against dust ingress and water jets. An integrated ZDR 6 DP0-4X/40YM-W80 pressure reducing valve stabilizes pilot pressure to improve metering accuracy. NBR sealing material is used on all ports for compatibility with standard mineral oils. The complete assembly weighs 18.4 kg, and handling equipment should be selected accordingly during installation.
Technical Specifications
Command Signal
4–20 mA (F1)
Degree Of Protection
IP65
Electrical Connection
DIN EN 175201-804 (K31)
Manual Override
Concealed (N9)
Max Coil Current
2.5 A
Max Operating Pressure
350 bar
Nominal Size
25
Pilot Oil Drain
Internal (ET)
Pilot Oil Supply
Internal (ET)
Porting Pattern
ISO 4401-08-07-0-94
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80 (D3)
Rated Flow
325 l/min (Δp 10 bar)
Seal Material
NBR (M)
Spool Symbol
W8
Supply Voltage
24 VDC (G24)
Weight
18.4 kg
1620 Old Apex Road
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