Bosch Rexroth | 4WRL16W1Z180S-3XG24Z4M
4WRL16W1Z180S-3X/G24Z4/M
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The 4WRL16W1Z180S-3X/G24Z4/M valve belongs to the 4WRL Solenoid Valves series and is produced by Bosch Rexroth for closed-loop hydraulic control tasks. With nominal size 16, it fits circuits that require medium flow capacity. Installation follows the ISO 4401-07-06-0-94 mounting pattern, allowing direct stacking on standardized sub-plates. The integrated solenoid operates on a 24 V DC supply, and electrical connection is made through a DIN 43650/ISO 4400 plug with an M16×1.5 thread. Coil resistance of 2.5 Ω at 20 °C, together with a maximum solenoid current of 2.7 A, defines the actuator’s electrical load, while the 40 VA power limit caps energy draw. A continuous 100 percent duty cycle lets the valve stay energized without thermal pauses. External X and Y ports handle pilot oil supply and return to keep control pressures independent from main lines.
Hydraulic ratings include a maximum pressure of 350 bar at the P, A, and B ports, while the T, X, and Y ports are limited to 250 bar, ensuring safe operation across return and pilot lines. An IP65 housing shields the solenoid and electronics against dust and water jets when the connector is correctly installed. NBR sealing elements provide compatibility with standard mineral-based hydraulic fluids. Spool position is monitored by an internal LVDT DC/DC sensor that works on a +15 V, 35 mA supply and transmits a 0 to +10 V signal to the amplifier. The sensor offers a ±10 V differential feedback range that supports linear closed-loop positioning. Feeding pilot oil externally helps the main spool respond consistently even when system pressure fluctuates.
Technical Specifications
Coil Resistance (20 °c)
2.5 Ω
Degree Of Protection
IP65
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
Mounting Pattern
ISO 4401-07-06-0-94
Pilot Oil Supply/return
External (X/Y)
Position Feedback
LVDT DC/DC ±10 V
Position Transducer Output
0 to +10 V
Position Transducer Supply
+15 V (35 mA)
Seal Material
NBR
Size (ng)
16
Solenoid Connector
DIN 43650/ISO 4400 M16x1.5
Supply Voltage
24 V DC
1620 Old Apex Road
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