Bosch Rexroth | 4WRZ16E100-7X6EG24N9ETK4D3V
4WRZ16E100-7X/6EG24N9ETK4/D3V
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The 4WRZ16E100-7X/6EG24N9ETK4/D3V is manufactured by Bosch Rexroth within the WRZ Proportional Directional Valves series and is used to modulate flow and direction in hydraulic automation circuits. Its nominal size of 16 defines the port geometry for mid-frame manifolds, while a nominal flow of 100 l/min at a 10 bar pressure drop supplies stable actuator velocity during normal operation. A maximum main valve flow capacity of 460 l/min allows short-term high demand without exceeding design limits, and the valve tolerates a maximum operating pressure of 350 bar so it can be placed in high-pressure supply lines. The T-port is limited to 30 bar, protecting return plumbing from excessive back-pressure. The ISO 4401-07-06-0-94 porting pattern matches standard sub-plates for quick installation, and FKM seals withstand common mineral oils and many synthetic fluids used in industrial power units.
The unit employs a proportional detachable coil that is energized at 24 V DC, permitting fine metering through controlled current while allowing rapid coil replacement for maintenance. Connection to the solenoid is made through a DIN EN 175301-803 plug, providing a uniform interface for wiring harnesses. A concealed manual override is present so service technicians can shift the spool without disturbing electrical control. Pilot functions are handled by an internally supplied oil feed, and the drain is also internal, which eliminates external pilot lines. During a 0 to 100 percent command step the pilot stage passes 5.5 l/min and displaces 4.6 cm³, ensuring swift yet stable spool positioning. The integrated pilot valve corresponds to size 6, giving compatibility with miniature pilot components and maintaining a compact envelope.
Technical Specifications
Coil Voltage
24 V DC
Electrical Connection
DIN EN 175301-803
Manual Override
Concealed
Max Main Valve Flow
460 l/min
Max Operating Pressure (main)
350 bar
Max T-port Pressure (internal Drain)
30 bar
Nominal Flow @ Δp 10 Bar
100 l/min
Nominal Size
16
Pilot Oil Drain
Internal
Pilot Oil Flow (0→100% Step)
5.5 l/min
Pilot Oil Supply
Internal
Pilot Oil Volume (0→100%)
4.6 cm3
Pilot Valve Size
6
Porting Pattern
ISO 4401-07-06-0-94
Seals
FKM
Solenoid Type
Proportional Detachable Coil
1620 Old Apex Road
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