Bosch Rexroth | 4WRZE16W6-100-7X6EG24N9ETK31A1D3V
4WRZE16W6-100-7X/6EG24N9ETK31/A1D3V
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The 4WRZE16W6-100-7X/6EG24N9ETK31/A1D3V valve belongs to the WRZ Proportional Directional Valves series from Bosch Rexroth and modulates hydraulic flow and direction in automated machinery. It is built to nominal size 16, defining port dimensions for standardized subplates, and follows the ISO 4401-07-06-0-94 mounting pattern for straightforward installation. With a pressure drop of 10 bar, it delivers a nominal flow of 100 l/min to serve medium-capacity actuator circuits. A ±10 V command signal positions the spool to achieve proportional control, while internal electronics run on a 24 V DC supply. The on-board amplifier draws up to 1.8 A to drive the solenoid, and wiring is completed through a DIN EN 175201-804 connector. Spool hysteresis does not exceed 6 percent, supporting repeatable response, and the coil endures temperatures to 150 °C for use near hot reservoirs.
The hydraulic fluid must meet cleanliness class ISO 4406 20/18/15 to preserve edge integrity inside the main stage. Main ports withstand operating pressures to 350 bar, and port T tolerates return pressures up to 30 bar without affecting performance. Pilot oil is both supplied and drained internally (ET), removing the need for external pilot lines. FKM seals resist heat and common fluid additives, and an IP65 enclosure rating blocks dust and water jets. The valve weighs 13.6 kg so a single technician can handle installation. These sealing, protection, pressure, and cleanliness measures support consistent proportional behavior across the full stroke even in demanding industrial environments.
Technical Specifications
Cleanliness Class (main)
ISO 4406 20/18/15
Command Signal
±10 V
Electrical Connection
DIN EN 175201-804
Hysteresis
6% (max)
Max Coil Temperature
150 °C
Max Operating Pressure (main)
350 bar
Max Return Pressure (port T)
30 bar
Mounting Pattern
ISO 4401-07-06-0-94
Nominal Flow (Δp=10 Bar)
100 l/min
Nominal Size
16
Obe Current Consumption
1.8 A (max)
Pilot Oil Supply/drain
Internal (ET)
Seals
FKM (V)
Supply Voltage
24 V DC
Type Of Protection
IP65
Weight
13.6 kg
1620 Old Apex Road
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