Bosch Rexroth | 4WRZE10E25-7X6EG24N9ETK31A1D3V
4WRZE10E25-7X/6EG24N9ETK31/A1D3V
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The 4WRZE10E25-7X/6EG24N9ETK31/A1D3V valve is produced by Bosch Rexroth for the WRZ Proportional Directional Valves series and meters hydraulic flow in automated circuits where precise directional control is required. It accepts a ±10 V command signal for spool positioning and is energized by a 24 V DC supply. Cold winding resistance is 2 Ω and rises to 3 Ω when hot, supporting stable current regulation while the solenoid draws up to 1.8 A. The electrical interface is a DIN EN 175201-804 connector, and the housing provides IP65 protection against dust and water jets. Under a 10 bar differential the valve passes 25 l/min, and the main ports tolerate operating pressures up to 315 bar.
Pilot oil is both supplied and drained internally, so no additional external lines are needed and manifold passages remain compact; the T-port withstands 30 bar back pressure when this drain path is used. Spool position repeatability is maintained by a maximum hysteresis of 6 %, supporting predictable axis movement. Reliable performance is specified for ambient temperatures up to 50 °C, while coil insulation handles 150 °C before thermal limits are reached. Continuous operation requires system fluid cleanliness of ISO 4406 20/18/15 to protect the precision land edges and preserve proportional accuracy.
Technical Specifications
Ambient Temp (max)
50 °C
Cleanliness Class (main)
ISO 4406 20/18/15
Command Signal (a1)
±10 V
Current Consumption (max)
1.8 A
Electrical Connector
DIN EN 175201-804
Hysteresis (max)
6%
Max Coil Temperature
150 °C
Max Operating Pressure (main)
315 bar
Nominal Flow (Δp 10 Bar)
25 l/min
Pilot Oil Drain
Internal
Pilot Oil Supply
Internal
Protection Class
IP65
Solenoid Resistance (cold)
2 Ω
Solenoid Resistance (hot)
3 Ω
Supply Voltage
24 V DC
T-port Pressure (internal Drain)
30 bar
1620 Old Apex Road
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