Bosch Rexroth | 4WRL25EZ350S-3XG24Z4M-763
4WRL25EZ350S-3X/G24Z4/M-763
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The 4WRL25EZ350S-3X/G24Z4/M-763 valve is manufactured by Bosch Rexroth for the 4WRL Solenoid Valves series and serves as an electronically actuated directional element in hydraulic automation. It uses nominal size NG25 to fit standard cavities and follows the ISO 4401-08-07-0-94 mounting pattern for subplate installation. The solenoid is powered by a 24 V DC supply, draws up to 2.7 A, and limits electrical demand to 40 VA, making it compatible with common control cabinets. An IP65 degree of protection guards the enclosure from dust and water jets, while the 18 kg mass determines support requirements on the manifold. NBR sealing is applied to withstand typical hydraulic oils and prevent external leakage during continuous duty.
The control stage functions between 10 bar and 250 bar to keep pilot pressure stable across startup and full-load operation. Main ports p, A, and B tolerate 350 bar, whereas return and pilot ports t, X, and Y are rated for 250 bar to protect auxiliary lines. A maximum flow of 900 l/min minimizes pressure drop in high-volume circuits, and hysteresis is held to 0.1 % for accurate spool positioning. The 0–100 % response time at 100 bar is 45 ms, supporting fast loop adjustments in servo applications. Hydraulic media must meet ISO 4406 cleanliness class 18/16/13 to maintain internal clearances and extend service life, ensuring that the valve meets precision and durability demands in automated systems.
Technical Specifications
Control Oil Pressure Max
250 bar
Control Oil Pressure Min
10 bar
Degree Of Protection
IP65
Fluid Cleanliness Class
ISO 4406 18/16/13
Hysteresis
0.1%
Max Flow
900 l/min
Max Power Consumption
40 VA
Max Pressure (p, A, B)
350 bar
Max Pressure (t, X, Y)
250 bar
Max Solenoid Current
2.7 A
Mounting Pattern
ISO 4401-08-07-0-94
Nominal Size
NG25
Response Time 0–100% (x=100 Bar)
45 ms
Seal Material
NBR
Supply Voltage
24 V DC
Weight
18 kg
1620 Old Apex Road
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