Bosch Rexroth | 4WRZE16W8-100-7X6EG24N9ETK31A1D3V
4WRZE16W8-100-7X/6EG24N9ETK31/A1D3V
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The 4WRZE16W8-100-7X/6EG24N9ETK31/A1D3V proportional directional valve belongs to the WRZ Proportional Directional Valves series and is manufactured by Bosch Rexroth. Intended to meter hydraulic flow and control actuator motion, it has a nominal size 16 interface that fits medium frame manifolds. The cartridge follows the ISO 4401-07-06-0-94 mounting pattern so it can be installed on standardized sub-plates without adapters. The main stage tolerates operating pressures up to 350 bar, and at a 10 bar differential it delivers a nominal flow rate of 100 l/min for consistent cylinder or motor speed. Internal pilot supply and internal pilot drain simplify plumbing by eliminating external lines, while a bipolar ±10 V command signal allows proportional spool positioning through the integrated electronics. Those electronics draw up to 1.8 A from a 24 V DC supply and support a continuous 100 % duty cycle for sustained machine cycles.
Electrical termination is made through a DIN EN 175201-804 connector that provides sealed power and command lines, and the assembled housing reaches an IP65 protection level to resist dust and water jets in industrial environments. Static spool deviation is controlled, with hysteresis kept to 6 % or less to maintain repeatable flow in closed-loop systems. A concealed manual override permits on-site movement of the spool during commissioning without affecting external envelope dimensions. The internal pilot drain discharges to port T, which may be pressurized up to 30 bar without impairing valve function, and pressure stability in the pilot circuit is maintained by the integrated ZDR 6 DP0-4X/40YM-W80 pressure reducing valve. The unit weighs 13.6 kg, which should be considered when selecting manifold support hardware and handling equipment.
Technical Specifications
Command Input
±10 V
Duty Cycle
100 %
Electrical Connector
DIN EN 175201-804
Electrical Protection
IP65
Hysteresis
≤ 6 %
Manual Override
Concealed
Mounting Pattern
ISO 4401-07-06-0-94
Nominal Flow (Δp 10 Bar)
100 l/min
Nominal Size
16
Obe Current Consumption Max
1.8 A
Operating Pressure (main Valve)
350 bar
Pilot Oil Supply/drain
Internal/Internal
Port T (internal Pilot Drain) Max
30 bar
Pressure Reducing Valve
ZDR 6 DP0-4X/40YM-W80
Supply Voltage
24 V DC
Weight
13.6 kg
1620 Old Apex Road
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