Bosch Rexroth | 4WRZE16E1-100-7X6EG24N9K31A1V
4WRZE16E1-100-7X/6EG24N9K31/A1V
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The 4WRZE16E1-100-7X/6EG24N9K31/A1V valve is produced by Bosch Rexroth for the WRZ Proportional Directional Valves series. It meters hydraulic flow and direction in automated circuits. The unit accepts a ±10 V command signal so a controller can adjust spool position proportionally. A nominal size of 16 defines its port geometry, while the nominal flow reaches 100 l/min at a 10 bar differential, supporting medium-capacity actuators. The internal electronics run from a 24 V DC supply and can operate continuously because the duty cycle is 100%. The valve attaches to manifolds through an ISO 4401-07-06-0-94 interface, and wiring is completed via a DIN EN 175201-804 connector. A concealed manual override allows local actuation during commissioning or power loss. Command value overlap is fixed at 15 % to establish a neutral deadband around the center position.
Maximum operating pressure on the main ports is 350 bar, while return lines drained externally can reach 250 bar and port Y is limited to 30 bar, enabling use in high-pressure circuits with restricted pilot drainage. The solenoid can draw up to 2.5 A and its coil temperature may rise to 150 °C without damage, supporting sustained energization. Hysteresis remains at or below 6 %, providing repeatable positioning throughout the stroke. With an IP65 rating when the cable socket is installed, the enclosure resists dust and low-pressure water jets in typical machine environments. Together, these limits complete the functional envelope and ensure the valve handles demanding servo control tasks in hydraulic automation.
Technical Specifications
Command Signal Input
±10 V
Command Value Overlap
15%
Duty Cycle
100%
Electrical Connection
DIN EN 175201-804
Hysteresis
≤6%
Ingress Protection
IP65 (with cable socket)
Manual Override
Concealed
Max Coil Temperature
150 °C
Max Operating Pressure (main)
350 bar
Max Port Y Pressure
30 bar
Max Return Pressure (t, Ext. Drain)
250 bar
Max Solenoid Current
2.5 A
Mounting Interface
ISO 4401-07-06-0-94
Nominal Flow (Δp = 10 Bar)
100 l/min
Nominal Size
16
Supply Voltage
24 V DC
1620 Old Apex Road
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