Bosch Rexroth | 4WRE-10-W1-32-1X24K4M
4WRE 10 W1-32-1X/24K4/M
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The 4WRE 10 W1-32-1X/24K4/M proportional directional valve is produced by Bosch Rexroth within the 4WRE Proportional Directional Valves series. It meters hydraulic flow and directs fluid paths in automated systems that rely on variable spool positioning. The valve installs on subplates with an ISO 4401-05-04-0-05 mounting pattern, allowing interchangeability in standard manifolds. At 6.3 kg, its mass permits handling during assembly without specialized lifting equipment. Electrical power is delivered through a DIN EN 175301-803 (ISO 4400) connector for quick plug-in wiring in control cabinets. The coil operates on direct voltage, and its winding shows a resistance of 4.55 Ω at 20 °C to match common 24 V DC drivers. Continuous energization is supported by a 100 % duty cycle, while a maximum coil temperature of 150 °C sets the thermal limit for extended actuation. An IP65 protection class seals the housing against dust ingress and water jets encountered on mobile or factory equipment.
The design limits coil resistance rise to 6.82 Ω so current regulators can maintain consistent magnet force during warm operating periods. Flow passages withstand 315 bar on ports P, A, and B, whereas the tank port tolerates up to 210 bar, enabling use in high-pressure circuits. Bosch Rexroth rates the unit for a recommended maximum flow of 180 l/min, ensuring spool dynamics remain stable without excessive pressure drop. Maximum hysteresis is held to 0.1 %, contributing to repeatable spool positioning when the command signal is cycled. Response sensitivity does not exceed 0.05 %, so small input changes translate into fine flow adjustments. During temperature fluctuation, zero shift stays within 0.15 % per 10 K, keeping neutral position accuracy over a broad operating range. Hydraulic cleanliness must meet ISO 4406 20/18/15, because contamination control protects the precision edges that govern proportional operation.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Coil Resistance (20 °c)
4.55 Ω
Duty Cycle
100 %
Electrical Connector
DIN EN 175301-803 (ISO 4400)
Hysteresis (max)
0.1 %
Max Coil Resistance
6.82 Ω
Max Coil Temperature
150 °C
Max Operating Pressure (p, A, B)
315 bar
Max Operating Pressure (t)
210 bar
Mounting Pattern
ISO 4401-05-04-0-05
Protection Class
IP65
Recommended Max Flow
180 l/min
Response Sensitivity (max)
0.05 %
Voltage Type
Direct Voltage
Weight
6.3 kg
Zero Shift Per 10 K (max)
0.15 %
1620 Old Apex Road
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