Bosch Rexroth | 4WRL16EZ180S-3XG24Z4M
4WRL16EZ180S-3X/G24Z4/M
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The 4WRL16EZ180S-3X/G24Z4/M is a proportional solenoid valve manufactured by Bosch Rexroth for the 4WRL Solenoid Valves series. It meters hydraulic oil to actuators in automation circuits that require precise flow control. The valve operates on a 24 V DC supply, and the coil shows 2.5 Ω resistance at 20 °C, so it draws predictable current from the drive electronics. A maximum solenoid current of 2.7 A and a power limit of 40 VA define the electrical envelope for the controller. A 100 % duty cycle allows continuous energization without overheating. Installation follows the ISO 4401-07-06-0-94 porting pattern, and the DIN 43650/ISO 4400 M16×1.5 (2P+PE) connector provides quick electrical hookup. The housing meets IP65, guarding internal parts against dust ingress and low-pressure water jets.
The hydraulic section handles up to 350 bar on ports P, A, and B, while return and pilot ports t, X, and Y are limited to 250 bar. The spool begins to respond at a control oil pressure of 10 bar, reaching a peak flow of 450 l/min when fully shifted. Position feedback is delivered by an LVDT DC/DC transducer, enabling closed-loop control of the spool position. A 40 ms step response from 0 to 100 % at 100 bar supports fast cycle times in presses and injection machines. NBR seals keep hydraulic fluid contained and resist common mineral oils. With a mass of 10 kg, the unit can be mounted by a single technician using standard manifold hardware.
Technical Specifications
Coil Resistance (20 °c)
2.5 Ω
Control Oil Pressure Min
10 bar
Duty Cycle
100%
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
Porting Pattern
ISO 4401-07-06-0-94
Position Transducer Type
LVDT DC/DC
Protection Class
IP65
Seal Material
NBR
Solenoid Connector
DIN 43650/ISO 4400 M16x1.5 (2P+PE)
Step Response 0–100% (x=100 Bar)
40 ms
Supply Voltage
24 V DC
Weight
10 kg
1620 Old Apex Road
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