Bosch Rexroth | 4WRA6WA15-2XG24N9K4V
4WRA6WA15-2X/G24N9K4/V
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The 4WRA6WA15-2X/G24N9K4/V proportional directional valve belongs to the 4WRA Proportional Directional Valves series from Bosch Rexroth and is used to meter hydraulic flow in automated machinery. Its spool, designated by symbol WA, establishes the flow paths required for bidirectional actuator control. The valve installs on a subplate and follows the ISO 4401-03-02-0-05 porting pattern, ensuring interchangeability with common manifold layouts. Spool movement is generated by a 24 V DC solenoid, while a 2-pole plus protective earth connector in Design A provides the electrical interface. A nominal flow rate of 15 l/min defines steady-state capacity, and hysteresis is limited to 5 percent to support repeatable proportional positioning.
A concealed manual override lets technicians shift the spool mechanically during setup or power loss. When fully actuated the valve passes up to 42 l/min, giving reserve flow for transient demands. Pressure limits are 350 bar on ports A, B, and P, and 210 bar on port T, allowing the unit to serve high-pressure circuits with a lower tank return rating. Safe operation is specified between −20 °C and 80 °C ambient, with hydraulic fluid temperatures permitted to 70 °C. FKM seals contain the medium under these thermal conditions, and an IP65 housing prevents dust ingress and water spray from affecting the coil or internal components.
Technical Specifications
Coil Voltage
24 V DC
Electrical Connection
2-Pole + PE (Design A)
Hysteresis
5% Max
Manual Override
Concealed
Max Ambient Temperature
80 °C
Max Flow
42 l/min
Max Fluid Temperature
70 °C
Max Pressure (port T)
210 bar
Max Pressure (ports A,b,p)
350 bar
Min Ambient Temperature
-20 °C
Mounting
Subplate
Nominal Flow
15 l/min
Porting Pattern
ISO 4401-03-02-0-05
Protection Class
IP65
Seal Material
FKM
Spool Symbol
WA
1620 Old Apex Road
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