Bosch Rexroth | 4WRZ16E1-100-7X6EG24N9ETK4V
4WRZ16E1-100-7X/6EG24N9ETK4/V
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The 4WRZ16E1-100-7X/6EG24N9ETK4/V valve belongs to the WRZ Proportional Directional Valves series and is manufactured by Bosch Rexroth for closed-loop hydraulic automation tasks. It meters flow to actuators in proportion to an electrical command, letting a control system vary speed and force without mechanical throttling. With a nominal size of 16, the flow passages suit medium-power circuits, and the valve delivers 100 l/min at a 10 bar pressure drop for responsive motion control. Main ports withstand 350 bar, enabling use on high-pressure lines. The coil is energized by a 24 V DC supply and can draw up to 1.5 A, while its 4.8 Ω resistance at 20 °C limits heat rise. A 100 percent duty cycle permits continuous modulation without overheating, and a DIN EN 175301-803 plug provides a standardized electrical interface for fast replacement.
Installation uses the ISO 4401-07-06-0-94 mounting pattern so the valve bolts directly to common subplates. Pilot oil supply and drain are internal, eliminating external pilot lines and simplifying manifold layout. A T port connected to an external drain tolerates 250 bar, whereas the same port with an internal drain is limited to 30 bar, giving designers options for back-pressure control. FKM seals resist mineral and many synthetic fluids at elevated temperatures, maintaining leak-free service life. An IP65 protection rating guards the solenoid and connector against dust and water jets encountered inside machinery enclosures. The complete unit on its subplate weighs 13.4 kg, allowing one-person handling during installation or maintenance.
Technical Specifications
Coil Resistance (20 °c)
4.8 Ω
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803
Max Operating Pressure (main)
350 bar
Max T-port Pressure (ext Drain)
250 bar
Max T-port Pressure (int Drain)
30 bar
Mounting Interface
ISO 4401-07-06-0-94
Nominal Flow (10 Bar Δp)
100 l/min
Nominal Size
16
Pilot Oil Drain
Internal
Pilot Oil Supply
Internal
Seal Material
FKM
Solenoid Max Current
1.5 A
Supply Voltage
24 V DC
Type Of Protection
IP65
Weight (subplate)
13.4 kg
1620 Old Apex Road
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