Bosch Rexroth | 4WRAE10W1-30-2XG24K31A1V
4WRAE10W1-30-2X/G24K31/A1V
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The 4WRAE10W1-30-2X/G24K31/A1V valve belongs to the 4WRA Proportional Directional Valves series and is manufactured by Bosch Rexroth for closed-loop hydraulic automation where adjustable spool positioning meters flow precisely to cylinders or motors. Its nominal size is NS10, so the housing accepts port dimensions common to mid-range manifold blocks. A nominal flow of 30 l/min at a differential pressure of 10 bar defines baseline throughput, while a maximum permissible flow of 75 l/min accommodates peak demand. The valve tolerates a maximum operating pressure of 315 bar on ports a, b, and p; the return port T is limited to 210 bar to protect the tank line. Installation is carried out on an ISO 4401-05-04-0-94 subplate, ensuring interchangeability with many industrial patterns. A port T1 diameter of 11.2 mm supports adequate return flow without excessive back pressure, and the complete assembly weighs 6.8 kg, allowing single-person handling during maintenance.
Electrical actuation uses a 24 V DC supply that powers the integrated amplifier and coils. The electronics accept a ±10 V command signal, converting analog setpoints into proportional spool movement. Each solenoid draws up to 2.5 A, so drive modules must be sized for that current. Connection is made through a DIN EN 175201-804 seven-pin plug that provides six signal contacts and a protective earth. Static and dynamic accuracy is aided by hysteresis held to 5 percent or less, minimizing position error between increasing and decreasing commands. An IP65 ingress protection rating seals the enclosure against dust and low-pressure water jets, permitting use in wash-down production areas. Coil windings withstand temperatures up to 150 °C, giving thermal headroom during continuous duty, and fluid sealing is achieved with FKM elastomers that resist high temperature and common hydraulic oils.
Technical Specifications
Command Signal
±10 V (A1)
Electrical Connector
DIN EN 175201-804 (7-pin 6+PE)
Hysteresis
≤ 5%
Ingress Protection
IP65
Max Coil Temperature
150 °C
Max Current Per Solenoid
2.5 A
Max Operating Pressure (a/b/p)
315 bar
Max Permissible Flow
75 l/min
Max Pressure Port T
210 bar
Mounting Interface
ISO 4401-05-04-0-94
Nominal Flow (delta P = 10 Bar)
30 l/min
Nominal Size
NS10
Port T1 Diameter
11.2 mm
Seal Material
FKM
Supply Voltage
24 V DC
Weight
6.8 kg
1620 Old Apex Road
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