Bosch Rexroth | 4WRZE16W6-150-7X6EG24N9ETK31A1D3M
4WRZE16W6-150-7X/6EG24N9ETK31/A1D3M
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The 4WRZE16W6-150-7X/6EG24N9ETK31/A1D3M is a proportional directional valve from Bosch Rexroth in the WRZ Proportional Directional Valves series, intended to control actuator speed and direction in hydraulic automation systems. It accepts a ±10 V command signal to modulate spool position, and its onboard electronics operate from a 24 V DC supply while drawing up to 1.8 A during peak demand. Electrical connection is made through a DIN EN 175201-804 plug, and the housing carries an IP65 protection rating against dust and water. The unit features a concealed manual override that permits local actuation when the control signal is absent. Pilot functions are handled by a size 6 pilot valve, with pilot oil supplied and drained internally to simplify plumbing. Mounting follows the ISO 4401-07-06-0-94 porting pattern, ensuring compatibility with standard subplates.
The valve supports system pressures to 350 bar on its service ports, while the internal drain line to port T is limited to 30 bar to protect the electronic stage. When the pressure drop across the main stage reaches 10 bar, it passes a nominal flow of 150 l/min, making it suitable for medium-flow circuits that require smooth proportional control. HL or HLP hydraulic fluids according to DIN 51524 are specified for proper lubrication and sealing. Thermal limits are maintained by a coil design rated for 150 °C maximum temperature, allowing dependable operation in hot environments. An integrated pressure reducing valve coded ZDR 6 DP0-4X/40YM-W80 stabilizes pilot pressure to the control stage. The assembly weighs 13.6 kg, providing enough mass for vibration damping without complicating installation.
Technical Specifications
Command Signal Input
±10 V
Electrical Connector
DIN EN 175201-804
Electronics Supply Voltage
24 V DC
Hydraulic Fluid
HL/HLP (DIN 51524)
Manual Override
Concealed
Max Coil Temperature
150 °C
Max Current Consumption
1.8 A
Max Operating Pressure
350 bar
Max Port T Pressure (internal Drain)
30 bar
Nominal Flow (∆p=10 Bar)
150 l/min
Pilot Oil Supply/drain
Internal
Pilot Valve Size
6
Porting Pattern
ISO 4401-07-06-0-94
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Type Of Protection
IP65
Weight
13.6 kg
1620 Old Apex Road
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