Bosch Rexroth | 4WRZE10E25-7X6EG24N9EK31A1D3V
4WRZE10E25-7X/6EG24N9EK31/A1D3V
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The 4WRZE10E25-7X/6EG24N9EK31/A1D3V proportional directional valve is manufactured by Bosch Rexroth within the WRZ Proportional Directional Valves series and is used to meter flow and direct motion in hydraulic automation. It accepts a ±10 V command input so a controller can shift the spool proportionally to the signal, while a 24 V DC supply powers the onboard electronics. Wiring is handled through a DIN EN 175201-804 plug, and current consumption is limited to 1.8 A to match common power sources. A coil temperature limit of 150 °C allows placement near hot manifolds without overheating. The main ports withstand operating pressures up to 315 bar, and the design delivers a nominal flow of 25 l/min with a 10 bar pressure drop. Subplate mounting follows the ISO 4401-05-05-0-94 pattern so the valve fits standard five-port bases.
Reliable performance depends on keeping the main flow at ISO 4406 cleanliness class 20/18/15 and the pilot supply at 18/16/13, which helps maintain precise edge control. The unit operates with mineral-oil hydraulic fluids in the HL or HLP classes defined by DIN 51524, ensuring seal compatibility and lubrication. Spool accuracy is defined by a maximum hysteresis of 6 %, limiting position error during direction changes. Port Y handles back pressure up to 30 bar to protect the pilot stage. When the return is routed externally, port T can carry 315 bar; with an internal return, allowable pressure drops to 30 bar. The subplate-mounted assembly weighs 8.0 kg, permitting single-person installation during maintenance or system upgrades.
Technical Specifications
Command Input (voltage)
+/- 10 V
Electrical Connection
DIN EN 175201-804 Plug
Fluid Cleanliness, Main
ISO 4406 20/18/15
Fluid Cleanliness, Pilot
ISO 4406 18/16/13
Hydraulic Fluid
Mineral Oil (HL, HLP) DIN 51524
Max Coil Temperature
150 C
Max Current Consumption
1.8 A
Max Hysteresis
6%
Max Operating Pressure (main)
315 bar
Max Pressure Port Y
30 bar
Max Return Pressure Port T (ext)
315 bar
Max Return Pressure Port T (int)
30 bar
Nominal Flow (10 Bar Dp)
25 l/min
Porting Pattern
ISO 4401-05-05-0-94
Supply Voltage
24 V DC
Weight (subplate Mounting)
8.0 kg
1620 Old Apex Road
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