Bosch Rexroth | 4WRL16V120M-3XG24K0M-750
4WRL16V120M-3X/G24K0/M-750
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The 4WRL16V120M-3X/G24K0/M-750 is produced by Bosch Rexroth and belongs to the 4WRL Solenoid Valves series. It modulates hydraulic flow and pressure in automated circuits. The valve mounts on an ISO 4401-07-06-0-94 interface. Under a differential pressure of 10 bar it delivers a nominal flow of 120 l/min, while the ports can pass up to 450 l/min when the spool is fully shifted. The pressure ports P, A, and B tolerate up to 350 bar, whereas the T, X, and Y return and pilot ports are limited to 250 bar. A pilot stage needs at least 10 bar to operate and supplies the main spool with 12 l/min. With the amplifier powered from 24 V DC the coil moves the spool from 0 to 100 % in 40 ms, enabling quick position changes for closed-loop control.
The electrical section is designed for a coil resistance of 2.5 Ω at 20 °C and draws up to 2.7 A during peak excitation, keeping power consumption below 40 VA. The hysteresis stays at or under 0.1 %, supporting precise metering without significant deadband. Acceptable oil cleanliness is ISO 4406 class 18/16/13, so filtration must match this level to avoid wear. An IP65 enclosure prevents dust ingress and protects against low-pressure water jets, and the complete assembly weighs 10 kg for manageable installation. The modest energy demand lessens heat buildup in control enclosures, and these electrical and environmental limits simplify integration with common valve amplifiers while keeping performance stable in demanding hydraulic automation environments.
Technical Specifications
Coil Resistance (20 °c)
2.5 Ω
Fluid Cleanliness (iso 4406)
18/16/13
Hysteresis
≤0.1%
Ip Rating
IP65
Mass
10 kg
Max Operating Pressure (p, A, B)
350 bar
Max Power Consumption
40 VA
Max Pressure (t, X, Y)
250 bar
Max Solenoid Current
2.7 A
Maximum Flow
450 l/min
Minimum Pilot Pressure
10 bar
Mounting Interface
ISO 4401-07-06-0-94
Nominal Flow (∆p 10 Bar)
120 l/min
Pilot Valve Flow
12 l/min
Response Time 0–100% (x=100 Bar)
40 ms
Supply Voltage (amplifier)
24 V DC
1620 Old Apex Road
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