Bosch Rexroth | 4WRZE16E150-7X6EG24ETK31A1M
4WRZE16E150-7X/6EG24ETK31/A1M
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The 4WRZE16E150-7X/6EG24ETK31/A1M proportional directional valve belongs to the WRZ Proportional Directional Valves series produced by Bosch Rexroth for hydraulic automation. The integrated electronics operate on a 24 V DC supply voltage, which simplifies cabinet power distribution. A ±10 V command signal lets a controller adjust spool position with proportional accuracy, and hysteresis is held to 6 percent for repeatable flow control. The valve follows the ISO 4401-07-06-0-94 porting pattern and presents 20 mm diameters on ports A, B, P, and T to match size 16 subplates. With a 10 bar differential pressure it provides a nominal flow of 150 l/min to cylinders or motors.
The main stage can pass 460 l/min when full capacity is needed, and it withstands 350 bar on pressure ports while return pressure at port T may reach 30 bar. Pilot oil is supplied internally, eliminating external pilot plumbing. A DIN EN 175201-804 plug serves as the electrical connection for quick field replacement. The valve tolerates ambient temperatures from −20 °C to 50 °C, and fluid temperatures between −20 °C and 80 °C, supporting mobile and industrial installations. A weight of 13.6 kg allows manageable handling during manifold assembly.
Technical Specifications
Command Signal
±10 V
Electrical Connection
DIN EN 175201-804
Hysteresis
≤ 6%
Max Ambient Temperature
+50 °C
Max Fluid Temperature
+80 °C
Max Main Valve Flow (size 16)
460 l/min
Max Operating Pressure (main)
350 bar
Max Return Pressure (port T)
30 bar
Min Ambient Temperature
−20 °C
Min Fluid Temperature
−20 °C
Nominal Flow (∆p=10 Bar)
150 l/min
Pilot Oil Supply
Internal
Port A/b/p/t Diameter
20 mm
Porting Pattern
ISO 4401-07-06-0-94
Supply Voltage
24 V DC
Weight
13.6 kg
1620 Old Apex Road
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