Bosch Rexroth | 4WRZ25W6-220-7X6EG24N9K4V
4WRZ25W6-220-7X/6EG24N9K4/V
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The 4WRZ25W6-220-7X/6EG24N9K4/V proportional directional valve belongs to the WRZ Proportional Directional Valves series from Bosch Rexroth and regulates hydraulic flow in automated machinery. Its W6 spool sits in a size 25 body to balance flow capacity with response speed. The solenoid is designed for 24 V DC operation; the coil presents 4.8 Ω resistance at 20 °C, permits a maximum current of 1.5 A, and supports a continuous 100 % duty cycle so frequent actuation does not require rest periods. Electrical hookup is made through a DIN EN 175301-803 connector, and a concealed N9 manual override lets maintenance staff shift the spool without electrical power.
The valve delivers a nominal flow of 220 L/min at a 10 bar differential while keeping hysteresis at or below 6 % to maintain command fidelity. Working ports withstand 350 bar, and the return line endures 250 bar, enabling direct use in high-pressure circuits. A 3DREP 6 pilot valve converts control current into pilot pressure, with both pilot oil supply and pilot oil drain arranged externally to prevent cross-contamination. Fluid compatibility is secured by FKM seals, completing a specification profile intended for long-term service in precise motion control systems.
Technical Specifications
Coil Resistance (20 °c)
4.8 Ω
Coil Voltage
24 V DC
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803
Hysteresis
≤ 6%
Manual Override
Concealed (N9)
Max Coil Current
1.5 A
Max Operating Pressure
350 bar
Max Return Line Pressure (t)
250 bar
Nominal Flow @10 Bar
220 l/min
Pilot Oil Drain
External
Pilot Oil Supply
External
Pilot Valve Type
3DREP 6
Seals
FKM
Size
25
Spool Type
W6
1620 Old Apex Road
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