Bosch Rexroth | 4WRZ16W6-100-7X6EG24N9K4D3V
4WRZ16W6-100-7X/6EG24N9K4/D3V
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The 4WRZ16W6-100-7X/6EG24N9K4/D3V belongs to the WRZ Proportional Directional Valves series manufactured by Bosch Rexroth and is applied in hydraulic automation to meter flow and shift actuator direction. It delivers a nominal flow of 100 l/min at a 10 bar differential, while the main ports tolerate pressures up to 350 bar and the return line up to 250 bar. The solenoid operates on a 24 V DC supply, draws a peak of 1.5 A, and is rated for a 100 percent duty cycle to support continuous service. Cold coil resistance measures 4.8 Ω at 20 °C and rises to 7.2 Ω when the winding is hot, moderating current as temperature climbs. The coil can reach 150 °C without loss of insulation integrity, maintaining performance during extended energizing in demanding machine cycles.
The housing follows the ISO 4401-07-06-0-94 porting pattern, and a size 6 pilot valve precisely positions the main spool for proportional control. FKM seals resist synthetic and mineral hydraulic fluids, while an IP65 protection class safeguards internal components against dust and water jets when the connector is secured. Electrical connection is made through a DIN EN 175301-803 plug, and a concealed manual override permits manual actuation during setup or power loss. The assembly weighs 13.4 kg, so mounting plates and pipe clamps must handle that static load without deflection.
Technical Specifications
Coil Resistance (20 °c)
4.8 Ω
Coil Resistance (max Hot)
7.2 Ω
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803
Manual Override
Concealed
Max Coil Current
1.5 A
Max Coil Temperature
150 °C
Max Operating Pressure (main)
350 bar
Max Return Pressure (port T)
250 bar
Nominal Flow (Δp=10 Bar)
100 l/min
Pilot Valve Size
6
Porting Pattern
ISO 4401-07-06-0-94
Protection Class
IP65
Seal Material
FKM
Supply Voltage
24 V DC
Weight
13.4 kg
1620 Old Apex Road
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