Bosch Rexroth | 4WRA6WA15-2XG24N9K4V-589
4WRA6WA15-2X/G24N9K4/V-589
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The 4WRA6WA15-2X/G24N9K4/V-589 proportional directional valve is produced by Bosch Rexroth as part of the 4WRA Proportional Directional Valves series. Intended for closed-loop hydraulic automation, it fits size 6 envelopes so it integrates into compact control blocks. A subplate mounting style allows rapid swap-out without disturbing pipework, while the ISO 4401-03-02-0-05 porting pattern keeps manifold layouts consistent across systems. Each P, A, B, and T connection uses an 8 mm port diameter, balancing flow rate against pressure drop. The valve delivers a nominal flow of 15 l/min to cylinders or motors when the command signal reaches full scale. Working lines P, A, and B withstand pressures up to 350 bar, and the T return line is limited to 210 bar to protect reservoir plumbing. FKM seal material tolerates aggressive hydraulic oils and elevated temperatures, supporting long service intervals in production machinery.
Control electronics operate from a 24 V DC supply, and the K4 electrical interface provides a sealed plug connection that simplifies wiring on machine panels. System accuracy benefits from hysteresis below 5 percent, so spool position closely tracks input current during steady commands. Response sensitivity better than 0.5 percent means small signal changes shift the spool early, improving fine positioning of actuators. An inversion range under 1 percent keeps flow characteristics nearly identical when the direction of movement reverses. A concealed manual override lets maintenance staff move the spool mechanically during commissioning or in case of power loss without altering the external envelope. The recommended oil cleanliness of ISO 4406 class 20/18/15 prevents contamination-induced sticking, and an overall weight of 2.0 kg makes the valve easy to handle during installation.
Technical Specifications
Cleanliness Class
20/18/15 (ISO 4406)
Electrical Interface
K4
Hysteresis
<5%
Inversion Range
<1%
Manual Override
Concealed
Max Pressure (a/b/p)
350 bar
Max Pressure (t)
210 bar
Mounting Type
Subplate
Nominal Flow
15 l/min
Port Diameter (p/a/b/t)
8 mm
Porting Pattern
ISO 4401-03-02-0-05
Response Sensitivity
<0.5%
Seal Material
FKM
Size
6
Supply Voltage
24 V DC
Weight
2.0 kg
1620 Old Apex Road
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