Bosch Rexroth | 4WRZ10W6-50-7X6EG24N9EK4V
4WRZ10W6-50-7X/6EG24N9EK4/V
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The 4WRZ10W6-50-7X/6EG24N9EK4/V is a proportional directional valve built by Bosch Rexroth for the WRZ Proportional Directional Valves series. It directs and meters hydraulic oil within automated machinery. The valve is cataloged as size 10, enabling it to handle a nominal flow of 50 l/min when the pressure drop across the metering orifice is 10 bar. The main ports tolerate operating and return pressures up to 315 bar, supporting high-pressure circuits without separate drain lines. It is designed for use with mineral oil types HL or HLP, and the required fluid cleanliness is 20/18/15 per ISO 4406 to protect the spool and seat surfaces. Continuous operation is allowed because the duty cycle is 100%, while reliable sealing performance is maintained across a fluid temperature range from −20 °C to +80 °C.
Electrical actuation is supplied from a 24 V DC source, and the solenoid draws up to 1.5 A during full stroke. The coils can reach 150 °C without damage, giving thermal headroom for cabinets with limited ventilation. Wiring is terminated through an EN 175301-803 plug, and the enclosure meets IP65, a rating that blocks dust and water jets so the valve can sit in wash-down zones. A concealed manual override prevents accidental spool movement yet lets service staff shift the element with a tool when power is absent. The complete assembly weighs 7.8 kg, a figure that aligns with manifold frames designed for medium-duty proportional valves.
Technical Specifications
Cleanliness Class (main)
20/18/15 (ISO 4406)
Duty Cycle
100%
Electrical Connection
EN 175301-803 Plug
Fluid Temperature Range
-20 to +80 °C
Hydraulic Fluid
Mineral Oil (HL, HLP)
Manual Override
Concealed
Max Coil Temperature
150 °C
Max Current
1.5 A
Max Operating Pressure (main)
315 bar
Max Return Pressure (port T)
315 bar
Nominal Flow (∆p=10 Bar)
50 l/min
Protection Class
IP65
Size
10
Supply Voltage
24 V DC
Weight
7.8 kg
1620 Old Apex Road
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