Bosch Rexroth | 4WRZ16E1-150-7X6EG24N9ETK4D3V
4WRZ16E1-150-7X/6EG24N9ETK4/D3V
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The 4WRZ16E1-150-7X/6EG24N9ETK4/D3V valve is manufactured by Bosch Rexroth for the WRZ Proportional Directional Valves series and regulates hydraulic flow in automated machinery. The electromagnetic coil shows a resistance of 4.8 Ω at 20 °C, and it is energized from a 24 V DC supply that can deliver up to 1.5 A for full actuation. A 100 % duty cycle allows continuous energization without mandatory rest periods. The electrical interface is a DIN EN 175301-803 plug that standardizes field connections. Environmental protection reaches IP65, guarding the enclosure against dust and low-pressure water jets. Thermal limits include a maximum ambient temperature of 70 °C and a coil temperature ceiling of 150 °C to maintain insulation integrity.
The hydraulic end provides a nominal flow of 150 l/min at a 10 bar differential, and the pressure envelope spans up to 350 bar on the main ports while return port T withstands 30 bar internally. Pilot supply and drain paths are internal, so no external pilot lines are needed. Mounting follows the ISO 4401-07-06-0-94 pattern, ensuring compatibility with size 16 subplates. FKM seals resist mineral oils and elevated temperatures to keep leakage low. Control fidelity is defined by a maximum hysteresis of 6 %, supporting predictable proportional movement. The complete assembly weighs 13.4 kg, and this mass must be supported by the manifold during installation.
Technical Specifications
Coil Resistance (20 °c)
4.8 Ω
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803 Plug
Max Ambient Temperature
70 °C
Max Coil Temperature
150 °C
Max Current
1.5 A
Max Hysteresis
6%
Max Operating Pressure
350 bar
Max Return Pressure Port T (internal)
30 bar
Nominal Flow (Δp 10 Bar)
150 l/min
Pilot Supply/drain
Internal/Internal
Porting Pattern
ISO 4401-07-06-0-94
Seal Material
FKM
Supply Voltage
24 V DC
Type Of Protection
IP65
Weight (size 16, Subplate)
13.4 kg
1620 Old Apex Road
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