Bosch Rexroth | 4WRA10W1-30-2XG24N9K4V
4WRA10W1-30-2X/G24N9K4/V
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The 4WRA10W1-30-2X/G24N9K4/V proportional directional valve is produced by Bosch Rexroth for the 4WRA Proportional Directional Valves series and serves to meter flow and direct actuator movement in hydraulic automation. It is built in nominal size 10 and matches manifolds that follow the porting pattern ISO 4401-05-04-0-94. The energizing circuit uses a 24 V DC supply delivered through an electrical connector conforming to DIN EN 175301-803. Each solenoid draws a maximum of 2.5 A and shows a coil resistance of 2 Ω at 20 °C, which simplifies driver sizing. The enclosure is rated IP65, so it resists dust ingress and water jets when the gasket is in place. Static hysteresis is kept at or below 5%, supporting repeatable spool positioning under closed-loop command.
The valve tolerates operating pressures of 315 bar at ports p, a, and b, while the tank port endures 210 bar, enabling reliable service in medium-pressure circuits. It passes up to 75 l/min, and the metering section delivers a nominal 30 l/min with a 10 bar pressure drop. Response sensitivity is held within 0.5% of the control signal, and reversal error does not exceed 1%, which limits offset during directional changes. The W1 spool profile sets the overlap and flow gain used in proportional metering. The complete assembly weighs 6.6 kg, allowing straightforward installation on stack valves or subplates.
Technical Specifications
Electrical Connection
DIN EN 175301-803
Hysteresis
≤ 5%
Max Current Per Solenoid
2.5 A
Max Operating Pressure (p,a,b)
315 bar
Max Permissible Flow
75 l/min
Max Tank Port Pressure (t)
210 bar
Nominal Flow (Δp=10 Bar)
30 l/min
Nominal Size
10
Porting Pattern
ISO 4401-05-04-0-94
Response Sensitivity
≤ 0.5%
Reversal Error
≤ 1%
Solenoid Coil Resistance (20 C)
2 Ω
Spool Symbol
W1
Supply Voltage
24 V DC
Valve Protection
IP65
Weight
6.6 kg
1620 Old Apex Road
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