Bosch Rexroth | 4WRZE16E1-150-7X6EG24K31A1V
4WRZE16E1-150-7X/6EG24K31/A1V
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The 4WRZE16E1-150-7X/6EG24K31/A1V proportional directional valve belongs to the WRZ Proportional Directional Valves series from Bosch Rexroth. It modulates flow and pressure within hydraulic automation circuits. The valve accepts a command input of ±10 V and is energized by a 24 V DC supply voltage for its solenoid electronics. It is built in size 16 and mounts on subplates that follow the ISO 4401-07-06-0-94 port pattern. Nominal flow reaches 150 l/min at a 10 bar differential pressure to serve medium-capacity actuators. The pilot stage is size 6 and draws 5.5 l/min when stepped from 0 to 100 percent. Main ports withstand up to 350 bar, while port T with external drain is limited to 250 bar.
The valve operates continuously with a 100 percent duty cycle and tolerates coil temperatures up to 150 °C without derating. Electrical connection is through a DIN EN 175201-804 plug that achieves IP65 protection when the mating seal is in place, preventing dust ingress and water jets. Static accuracy is supported by a maximum hysteresis of 6 percent, reducing position error and hunting in servo loops. Port Y is restricted to 30 bar to protect pilot seals and avoid backpressure-induced spool shifts. Overall mass is 13.6 kg, so manifold designs must provide adequate support during installation and service.
Technical Specifications
Command Input
±10 V
Connector Standard
DIN EN 175201-804
Duty Cycle
100 %
Hysteresis (max)
6 %
Max Coil Temperature
150 °C
Max Operating Pressure (main)
350 bar
Max Port T Pressure (external Drain)
250 bar
Max Port Y Pressure
30 bar
Nominal Flow (10 Bar Δp)
150 l/min
Pilot Oil Flow (0 To 100% Step)
5.5 l/min
Pilot Valve Size
6
Porting Pattern
ISO 4401-07-06-0-94
Protection Class
IP65
Size
16
Supply Voltage
24 V DC
Weight
13.6 kg
1620 Old Apex Road
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