Bosch Rexroth | 4WRTE10V50P-4X6EG24ETK31A5M
4WRTE10V50P-4X/6EG24ETK31/A5M
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The 4WRTE10V50P-4X/6EG24ETK31/A5M valve belongs to the 4WRTE Directional Control Valves series manufactured by Bosch Rexroth for hydraulic automation tasks that require electrically controlled flow direction and volume. It fits manifolds designed for nominal size 10 and delivers a rated flow of 50 l/min to actuators in proportional control loops. The linear flow characteristic with fine control enables predictable adjustment across the stroke. An analog command signal of ±10 V governs the spool position, while the internal electronics operate from a 24 V DC supply. During modulation the electronics draw up to 1.6 A, translating to a peak power demand of 72 VA. Electrical connection is made through a DIN EN 175201-804 connector coded K31, and the assembled unit meets IP65 so wiring and housing resist dust and low-pressure water jets.
The valve supports applications that occasionally exceed the rated value by permitting a recommended maximum flow of 170 l/min when pressure drop and dynamics allow. System pressure can reach 350 bar without compromising internal components. Pilot oil is routed internally for both supply and return, and the pilot stage needs 7 l/min to shift the main spool from zero to full stroke. NBR seals are used to contain hydraulic fluid compatible with this material. The hydraulic fluid must meet cleanliness class ISO 4406 (c) 18/16/13 to prevent spool wear and electronic faults. A total weight of 8.7 kg must be considered when mounting the valve on subplates or blocks.
Technical Specifications
Cleanliness Class
ISO 4406 (c) 18/16/13
Command Signal
+/-10 V (A5)
Electrical Connector
DIN EN 175201-804 (K31)
Flow Characteristic
Linear With Fine Control (P)
Max Current Consumption
1.6 A
Max Operating Pressure
350 bar
Max Power Consumption
72 VA
Maximum Flow (recommended)
170 l/min
Nominal Size
10 (NG10)
Pilot Oil Flow (step 0–100%)
7 l/min
Pilot Oil Supply/return
Internal (ET)
Protection Class
IP65
Rated Flow
50 l/min
Seal Material
NBR
Supply Voltage (electronics)
24 V DC
Weight
8.7 kg
1620 Old Apex Road
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