Bosch Rexroth | 4WRL16WZ180S-3XG24Z4M
4WRL16WZ180S-3X/G24Z4/M
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The 4WRL16WZ180S-3X/G24Z4/M belongs to the 4WRL Solenoid Valves series from Bosch Rexroth and is intended to modulate flow and pressure in hydraulic automation loops. It operates on a 24 V DC supply, while a coil resistance of 2.5 Ω at 20 °C sets the electrical load the control system must source. The solenoid can draw up to 2.7 A, and power consumption is limited to 40 VA so that standard power supplies remain adequate. A 100 % duty cycle allows continuous energizing without thermal limits, and the valve reaches full stroke in 40 ms to support quick pressure regulation. Hydraulic capacity peaks at 450 l/min, with ports p, A, and B tolerating 350 bar, whereas ports t, X, and Y are restricted to 250 bar to protect pilot passages.
The valve mounts on an ISO 4401-07-06-0-94 interface, giving interchangeability with common manifold plates. Electrical hookup is through a DIN 43560-AM2 plug coded Z4, enabling fast coil replacement during service. Reliable actuation requires a pilot pressure of at least 10 bar, and pilot leakage at 100 bar is rated at 300 cm³/min, while main stage leakage under the same test is 600 cm³/min, figures used to size tank return lines. NBR seals identified by the M suffix are fitted to resist mineral oil and maintain containment under cycling. The assembled unit weighs 10 kg, so mounting hardware must support this mass without distortion.
Technical Specifications
Coil Resistance (20 °c)
2.5 Ω
Duty Cycle
100%
Electrical Connection
DIN 43560-AM2 Plug (Z4)
Main Stage Leakage (100 Bar)
600 cm3/min
Max Flow
450 l/min
Max Power Consumption
40 VA
Max Pressure (t, X, Y)
250 bar
Max Solenoid Current
2.7 A
Max Working Pressure (p, A, B)
350 bar
Mounting Interface
ISO 4401-07-06-0-94
Pilot Pressure Min
10 bar
Pilot Valve Leakage (100 Bar)
300 cm3/min
Response Time (0–100%, X=100 Bar)
40 ms
Seal Material
NBR (M)
Supply Voltage
24 V DC
Weight
10 kg
1620 Old Apex Road
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