Bosch Rexroth | 4WRZE16E150-7X6EG24N9ETK31F1D3V
4WRZE16E150-7X/6EG24N9ETK31/F1D3V
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The 4WRZE16E150-7X/6EG24N9ETK31/F1D3V valve is a proportional directional control valve produced by Bosch Rexroth within the WRZ Proportional Directional Valves series. It meters hydraulic flow up to 150 l/min at a 10 bar differential to position cylinders or motors with variable speed and direction. The pilot stage is driven by a 4–20 mA command signal that shifts the main spool proportionally. A coil resistance of 2 Ω at 20 °C pairs with the 24 V DC supply and limits steady-state power loss, while peak current draw is capped at 1.8 A. Continuous duty is possible because the electromagnetic assembly is rated for a 100 % duty cycle. Spool positioning repeatability is supported by maximum hysteresis of 6 %, reducing drift between command and actual flow. A concealed manual override enables technicians to stroke the spool mechanically when testing or during power loss without exposing the actuator internals.
For installation, the valve mounts on an ISO 4401-07-06-0-94 manifold interface, letting it replace or interchange with other size 16 sub-plate devices. Electrical power and feedback are routed through a DIN EN 175201-804 plug, coded K31, which simplifies wiring in industrial panels. The enclosure carries an IP65 rating, protecting the coil and electronics against dust ingress and low-pressure water jets encountered on machinery. FKM seals tolerate aggressive hydraulic fluids and higher temperatures, supporting long service life. Pilot oil is supplied and drained internally, so no external pilot lines are required on the manifold. An integrated pressure reducing valve, type ZDR 6 DP0-4X/40YM-W80, stabilizes pilot pressure to maintain consistent spool control under varying system loads. The assembly weighs 13.6 kg, a consideration when sizing mounting hardware and handling during maintenance.
Technical Specifications
Coil Resistance (20 °c)
2 Ω
Command Signal
4–20 mA (F1)
Duty Cycle
100%
Electrical Connection
DIN EN 175201-804 (K31)
Enclosure Rating
IP65
Hysteresis (max)
6%
Manual Override
Concealed (N9)
Max Current Consumption
1.8 A
Max Operating Pressure (main)
350 bar
Mounting Interface
ISO 4401-07-06-0-94
Nominal Flow (Δp 10 Bar)
150 l/min
Pilot Oil Supply/drain
Internal/Internal (ET)
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Seals
FKM (V)
Supply Voltage
24 V DC
Weight
13.6 kg
1620 Old Apex Road
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