Bosch Rexroth | 4WRZE16W8-150-7X6EG24N9ETK31A1D3M
4WRZE16W8-150-7X/6EG24N9ETK31/A1D3M
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The 4WRZE16W8-150-7X/6EG24N9ETK31/A1D3M proportional directional valve is part of the WRZ Proportional Directional Valves series from Bosch Rexroth. It meters hydraulic flow to actuators in automation circuits where precise position or force control is required. The valve attaches to subplates with the ISO 4401-07-06-0-94 mounting pattern, which standardizes port alignment for quick interchange. A nominal flow of 150 l/min is achieved when the differential pressure across the main stage is 10 bar, supporting medium-to-high throughput loops. The main spool tolerates operating pressures up to 350 bar, while the return line at port T is limited to 30 bar to protect tank plumbing. Pilot oil is sourced and drained internally, and the internal pilot supply must remain between 100 and 350 bar for stable spool positioning. An integrated ZDR 6 DP0-4X/40YM-W80 pressure reducing valve governs control oil pressure, and NBR seals contain the hydraulic fluid throughout the assembly.
The electronic interface accepts a ±10 V command signal that shifts the spool proportionally, and the solenoids draw a maximum of 1.8 A during full output. Power is provided by a 24 V DC supply routed through a DIN EN 175201-804 connector, simplifying wiring in modular manifolds. A concealed manual override lets maintenance personnel shift the valve without energizing the electronics. The housing carries an IP65 rating, so the enclosure resists dust ingress and water jets when the mating plug is fitted. Total mass is 13.6 kg, which must be supported by the manifold or mounting plate. These electrical and mechanical attributes match the hydraulic capabilities described earlier and enable reliable servo-class control in harsh production environments.
Technical Specifications
Command Signal
±10 V
Electrical Connection
DIN EN 175201-804
Ip Rating
IP65
Manual Override
Concealed
Max. Current Consumption
1.8 A
Max. Operating Pressure (main Valve)
350 bar
Max. Return Line Pressure (port T)
30 bar
Mounting Pattern
ISO 4401-07-06-0-94
Nominal Flow @ Δp=10 Bar
150 l/min
Pilot Oil Supply/drain
Internal/Internal
Pilot Supply Pressure (internal)
100 to 350 bar
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Seal Material
NBR
Supply Voltage
24 V DC
Weight
13.6 kg
1620 Old Apex Road
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