Bosch Rexroth | 4WRA6W15-2XG24K4V
4WRA6W15-2X/G24K4/V
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The 4WRA6W15-2X/G24K4/V proportional directional valve is built by Bosch Rexroth in the 4WRA Proportional Directional Valves series. It meters flow and switches hydraulic actuators in automated machinery. Its nominal flow is 15 l/min, enabling controlled motion in circuits sized for moderate throughput. The valve handles operating pressures up to 350 bar on ports A, B, and P, and sustains 210 bar on the T port to suit high-pressure loops. Accurate positioning is aided by hysteresis below 5 percent and a range of inversion under 1 percent, so spool shifts remain predictable. Response sensitivity is better than 0.5 percent, allowing small command changes to translate into precise flow variation. A size 6 form factor and a porting pattern conforming to ISO 4401-03-02-0-05 simplify manifold mounting in compact power units. The K4 electrical connector provides two power pins plus protective earth for solenoid supply, and the device carries an IP65 protection class for reliable enclosure against dust and water jets.
In service the valve accommodates mineral oils with viscosities between 20 and 380 mm²/s and keeps hydraulic fluid temperatures from –20 to +70 °C, while ambient air may vary between –20 and +80 °C without affecting function. An FKM seal set maintains tightness across the stated temperature and pressure ranges. System cleanliness must reach ISO 4406 code 20/18/15 so the spool and sleeve are not damaged by particulate contamination. The assembly weighs 2.0 kg, allowing one-hand positioning during manifold installation and facilitating maintenance swaps in confined power packs. These operating limits confirm suitability for continuous hydraulic automation where precise control, low leakage, and stable response are required across changing environmental conditions.
Technical Specifications
Ambient Temp Range
-20 to +80 C
Cleanliness Class
ISO 4406 20/18/15
Electrical Connector
K4 (2-pole + PE)
Hydraulic Fluid Temp Range
-20 to +70 C
Hysteresis
<5%
Max Operating Pressure (a,b,p)
350 bar
Max T-port Pressure
210 bar
Nominal Flow
15 l/min
Porting Pattern
ISO 4401-03-02-0-05
Protection Class
IP65
Range Of Inversion
<1%
Response Sensitivity
<0.5%
Seal Material
FKM
Size
6
Viscosity Range
20 to 380 mm²/s
Weight
2.0 kg
1620 Old Apex Road
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