Bosch Rexroth | 4WRZE16E150-7X6EG24N9ETK31A1V
4WRZE16E150-7X/6EG24N9ETK31/A1V
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The 4WRZE16E150-7X/6EG24N9ETK31/A1V belongs to the WRZ Proportional Directional Valves series and is manufactured by Bosch Rexroth for hydraulic automation tasks that require precise flow control. The valve is powered by a 24 V DC supply voltage that feeds the solenoid, while a ±10 V command input signal positions the spool proportionally to the reference. A 100 % duty cycle permits continuous energization without mandatory cool-down intervals. Continuous current draw is limited to 1.8 A, and a 3 A power pulse is available to shorten response time during spool shift. The solenoid coil shows a resistance of 2 Ω at 20 °C, establishing the electrical relationship between voltage and current. Wiring is completed through a component plug according to DIN EN 175201-804, and an IP65 protection rating shields the electrical section from dust ingress and water spray.
Thermal endurance is supported by a maximum coil temperature of 150 °C, allowing operation in hot manifolds. The main stage tolerates operating pressures up to 350 bar, and a nominal flow of 150 l/min at a 10 bar differential enables high-volume actuator circuits. Pilot oil is supplied and drained internally, so no external pilot lines are required. Ports a, b, p, and t each feature a 20 mm diameter to match the rated flow area, and mounting follows the ISO 4401-07-06-0-94 pattern for interchangeability with standardized subplates. FKM seals resist common hydraulic fluids and elevated temperatures, while an assembled weight of 13.6 kg for the size 16 subplate must be considered during handling and installation.
Technical Specifications
Command Input Signal
±10 V
Duty Cycle
100 %
Electrical Connection
Component Plug DIN EN 175201-804
Max Coil Temperature
150 °C
Max Current Consumption
1.8 A
Max Operating Pressure (main)
350 bar
Nominal Flow (Δp 10 Bar)
150 l/min
Pilot Oil Configuration
Internal Supply/Drain
Port Diameter (a/b/p/t)
20 mm
Porting Pattern
ISO 4401-07-06-0-94
Power Pulse Current
3 A
Seal Material
FKM
Solenoid Coil Resistance (20 °c)
2 Ω
Supply Voltage
24 V DC
Type Of Protection
IP65
Weight (subplate, Size 16)
13.6 kg
1620 Old Apex Road
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