Bosch Rexroth | 4WRZE16W8-100-7X6EG24N9K31A1V
4WRZE16W8-100-7X/6EG24N9K31/A1V
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The 4WRZE16W8-100-7X/6EG24N9K31/A1V is manufactured by Bosch Rexroth for the WRZ Proportional Directional Valves series. Designed to modulate hydraulic flow and direction in automated machinery, it operates on a 24 V DC supply that energizes the solenoid coil. The coil has a resistance of 2 Ω at 20 °C, so the maximum steady current remains predictable when the ±10 V command signal drives the integrated electronics. Current draw peaks at 1.8 A, enabling fast spool positioning without exceeding control cabinet limits. A 100 % duty cycle authorizes continuous energization during prolonged machine cycles. The coil insulation endures up to 150 °C, protecting windings in high ambient or elevated oil temperature conditions. Electrical termination is through a DIN EN 175201-804 connector, providing standardized pin-out and quick service exchange. An IP65 enclosure rating blocks dust ingress and low-pressure water jets, allowing installation on exposed hydraulic manifolds.
An ISO 4401-07-06-0-94 porting pattern aligns the valve with common subplates, and a nominal flow of 100 l/min at a 10 bar differential supplies medium-frame actuators. Main ports tolerate operating pressures up to 350 bar, while the external drain at port T is limited to 250 bar to protect return lines. Port Y handles pilot relief at a maximum of 30 bar, preventing back-pressure from influencing spool control. Compatibility with HL or HLP hydraulic fluids defined in DIN 51524 supports use in mineral-oil-based systems. FKM seal material resists high temperature and chemical aging, extending service intervals. The assembled unit weighs 13.6 kg, which affects manifold reinforcement and handling during maintenance.
Technical Specifications
Coil Resistance (20 °c)
2 Ω
Command Signal (voltage)
±10 V
Current Consumption (max)
1.8 A
Duty Cycle
100%
Electrical Connection
DIN EN 175201-804
Enclosure Rating
IP65
Hydraulic Fluid
HL, HLP (DIN 51524)
Max Coil Temperature
150 °C
Max Operating Pressure (main)
350 bar
Nominal Flow (Δp 10 Bar)
100 l/min
Port T Max Pressure (ext. Drain)
250 bar
Port Y Max Pressure
30 bar
Porting Pattern
ISO 4401-07-06-0-94
Seal Material
FKM
Supply Voltage
24 V DC
Weight
13.6 kg
1620 Old Apex Road
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