Bosch Rexroth | 4WRZ16W6-150-7X6EG24N9K4D3V
4WRZ16W6-150-7X/6EG24N9K4/D3V
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The 4WRZ16W6-150-7X/6EG24N9K4/D3V proportional directional valve is part of the WRZ Proportional Directional Valves series from Bosch Rexroth. It meters flow and shifts actuator movement in hydraulic automation circuits. The solenoid is designed for a 24 V DC supply, and a maximum current of 1.5 A produces the magnetic force required for spool positioning. Coil resistance is 4.8 Ω at 20 °C, establishing the electrical load seen by the driver. Continuous operation is supported by a 100 % duty cycle, while thermal limits are defined by a maximum coil temperature of 150 °C. Power reaches the unit through a DIN EN 175301-803 plug, and a concealed manual override lets service personnel move the spool without energizing the solenoid. At a differential pressure of 10 bar the nominal flow rate is 150 l/min, delivering high volume control for medium-size actuators.
The hydraulic section is rated for a main operating pressure of 350 bar, and return flow routed through port T may reach 250 bar. A pilot valve size 6 commands the main stage, and the body follows the ISO 4401-07-06-0-94 port pattern to fit standard subplates. A ZDR 6 DP0-4X/40YM-W80 pressure reducing valve stabilizes pilot pressure when supply conditions fluctuate. The enclosure carries an IP65 protection class that prevents dust ingress and water jets from reaching internal parts. FKM seals provide chemical and temperature resistance at the port interfaces, and the assembly weighs 13.4 kg, which must be supported by the mounting surface during installation.
Technical Specifications
Coil Resistance (20 °c)
4.8 Ω
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803 Plug
Manual Override
Concealed
Max Coil Temperature
150 °C
Max Operating Pressure (main)
350 bar
Nominal Flow (Δp 10 Bar)
150 l/min
Pilot Valve Size
6
Port Pattern
ISO 4401-07-06-0-94
Port T Return Pressure (external)
250 bar
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Protection Class
IP65
Seals
FKM
Solenoid Max Current
1.5 A
Supply Voltage
24 V DC
Weight
13.4 kg
1620 Old Apex Road
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