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The 4WRA10W1-60-2X/G24N9K4/V-589 proportional directional valve is manufactured by Bosch Rexroth within the 4WRA Proportional Directional Valves series to regulate flow and direction in hydraulic automation tasks. It employs the W1 spool to establish the required metering profile and fits manifolds built for nominal size 10 components. Installation is through the ISO 4401-05-04-0-94 interface, permitting straightforward swap-outs in standardized subplates. Under a pressure drop of 10 bar the valve delivers a nominal flow of 60 l/min, yet its passages allow up to 75 l/min when maximum capacity is demanded. Working ports a, b, and p tolerate 315 bar, while the return port t is limited to 210 bar to protect reservoir plumbing. Each proportional solenoid is powered by a 24 V DC drive signal, draws as much as 2.5 A, and presents 2 Ω of resistance at 20 °C, providing a predictable electrical load for servo amplifiers.
Continuous energization is possible because the duty cycle is 100 %, eliminating the need for cooling pauses during rapid machine sequences, and safe operation is maintained up to a coil temperature of 150 °C. Wiring is completed through a DIN EN 175301-803 K4 connector that supports quick field replacement and reliable sealing against contamination. An IP65 enclosure rating shields internal components from dust and water jets encountered on production floors. FKM sealing elements withstand hot hydraulic oil and reduce leakage over extended service intervals. The assembled valve weighs 6.6 kg, which supplies mechanical stability against line vibration while remaining light enough for single-technician handling. These characteristics combine to provide accurate proportional control across the stated pressure and flow ranges without compromising durability or serviceability.
Coil Resistance (20 °c)
2 Ω
Duty Cycle
100 %
Electrical Connector
DIN EN 175301-803 (K4)
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 Tank Port Pressure (t)
210 bar
Mounting Interface
ISO 4401-05-04-0-94
Nominal Flow (Δp = 10 Bar)
60 l/min
Nominal Size
10
Protection Rating
IP65
Seal Material
FKM (V)
Spool Symbol
W1
Supply Voltage
24 V DC
Weight
6.6 kg
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