Bosch Rexroth | 4WRTE25W6-350L-4X6EG24ETK31A1M
4WRTE25W6-350L-4X/6EG24ETK31/A1M
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The 4WRTE25W6-350L-4X/6EG24ETK31/A1M is produced by Bosch Rexroth as part of the 4WRTE Directional Control Valves series and is used to set flow direction and volume in automated hydraulic circuits. Its nominal size is NG25, providing port dimensions suited for medium-to-high flow applications. A rated flow of 350 l/min at a 5 bar control-edge differential lets the unit feed large actuators without excessive loss. Main ports tolerate operating pressures up to 350 bar, while the internal tank return keeps back pressure below 10 bar to limit heat generation. Acceptable fluid viscosity ranges from 20 to 380 mm²/s, covering light and heavy hydraulic oils. Cleanliness must meet ISO 4406 18/16/13 to avoid spool damage, and hydraulic fluid temperature can vary from −20 to +80 °C to suit outdoor or heated installations.
Electronic actuation is supplied by 24 V DC logic power, and a ±10 V command/actual value interface ties the valve into analog controllers. The solenoids draw up to 1.6 A during operation, with overall electrical demand limited to 72 VA, which guides fuse and conductor sizing. Connection is made through a DIN EN 175201-804 K31 plug, and the housing carries an IP65 rating to block dust and low-pressure water jets. Control accuracy is supported by hysteresis of 0.1 percent or less, keeping positional error minimal, while response sensitivity of 0.05 percent or better enables precise flow modulation in closed-loop systems.
Technical Specifications
Cleanliness Class
ISO 4406 18/16/13
Command/actual Value Interface
+/- 10 V (A1)
Current Consumption Max
1.6 A
Electrical Connection
DIN EN 175201-804 K31
Hydraulic Fluid Temperature Range
-20 to +80 C
Hysteresis
<= 0.1%
Max Operating Pressure (p,a,b)
350 bar
Max Return Pressure Port T (internal)
<10 bar
Maximum Power Consumption
72 VA
Nominal Size
NG25
Protection Class
IP65
Rated Flow (delta P 5 Bar/control Edge)
350 l/min
Response Sensitivity
<= 0.05%
Supply Voltage
24 V DC
Viscosity Range
20 to 380 mm2/s
1620 Old Apex Road
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