Bosch Rexroth | 4WRZE16E100-7X6EG24N9ETK31A1D3V
4WRZE16E100-7X/6EG24N9ETK31/A1D3V
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The 4WRZE16E100-7X/6EG24N9ETK31/A1D3V valve is produced by Bosch Rexroth within the WRZ Proportional Directional Valves series and meters hydraulic flow in automated machinery. It responds to a ±10 V command signal that shifts the spool proportionally for precise actuator motion, while a 24 V DC supply voltage powers the built-in electronics. At a 10 bar differential, the unit provides a nominal flow of 100 l/min to set cylinder speed. The main stage tolerates operating pressures up to 350 bar, enabling use on high-pressure manifolds. Hysteresis is held to 6 percent or less to limit position error during repeated cycles. A size 6 pilot valve modulates the main spool, drawing 5.5 l/min of pilot oil for stable control. Both pilot oil supply and drain are internal, removing external lines and simplifying manifold layout.
Electrical connection is made with a DIN EN 175201-804 plug that standardizes pin assignments for quick wiring. The housing carries an IP65 ingress rating, protecting the interior against dust and low-pressure water spray. Coil windings can reach 150 °C without loss of function, supporting continuous duty under elevated fluid temperatures. Port Y withstands 30 bar so drain backpressure does not restrict pilot movement, and the external return port endures 250 bar for circuits with high downstream pressure. The mounting interface follows ISO 4401-07-06-0-94, allowing direct installation on compatible subplates. FKM seals resist aggressive fluids and higher temperatures than common NBR options. Total mass is 13.6 kg, a value to consider when designing support brackets on the manifold.
Technical Specifications
Command Signal
±10 V
Electrical Connection
DIN EN 175201-804
Hysteresis
≤ 6%
Ingress Protection
IP65
Max Coil Temperature
150 °C
Max Operating Pressure (main)
350 bar
Max Port Y Pressure
30 bar
Max Return Port Pressure (ext)
250 bar
Mounting Interface
ISO 4401-07-06-0-94
Nominal Flow (Δp=10 Bar)
100 l/min
Pilot Oil Flow
5.5 l/min
Pilot Oil Supply/drain
Internal/Internal
Pilot Valve Size
6
Seals
FKM
Supply Voltage
24 V DC
Weight
13.6 kg
1620 Old Apex Road
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