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The 4WRL25EZ350S-3X/G24Z4/M-760 valve belongs to the 4WRL Solenoid Valves series and is manufactured by Bosch Rexroth to modulate hydraulic flow and pressure in automated machinery. It is energized by a 24 V DC supply voltage so the control rack can power it directly without a separate converter. A coil resistance of 2.5 Ω at 20 °C defines the current draw characteristics, and the maximum solenoid current is 2.7 A, allowing designers to size drivers appropriately. Power demand peaks at 40 VA, which limits the load on the electrical cabinet. The device uses a DIN 43560-AM2 connector so maintenance staff can replace coils without rewiring. A relative duty cycle of 100 % permits continuous actuation during long production shifts, while an IP65 protection class blocks dust and low-pressure water jets in harsh plant environments. The size is specified as NG 25, matching standard port dimensions in medium-capacity hydraulic circuits.
For hydraulic performance, the valve manages a maximum operating pressure of 350 bar at ports P, A, and B so it can control high-pressure supply lines in presses and forming machines. Drain and pilot ports t, X, and Y are limited to 250 bar to protect the return side and control passages. The main stage passes up to 900 l/min, giving sufficient flow for large cylinders or motor groups, while the pilot stage offers a nominal flow of 24 l/min to shift the spool reliably. Pilot control is possible as long as pressure stays between the 10 bar minimum and the 250 bar maximum, ensuring stable positioning across varied load conditions. The mounting pattern follows ISO 4401-08-07-0-94 so the unit fits standard subplates without extra machining. Finally, the valve weighs 18 kg, which informs handling requirements during installation inside presses, test rigs, or other automation equipment.
Coil Resistance (20°c)
2.5 Ω
Electrical Connection
DIN 43560-AM2
Max Operating Pressure (p, A, B)
350 bar
Max Power Consumption
40 VA
Max Pressure (t, X, Y)
250 bar
Max Solenoid Current
2.7 A
Maximum Flow
900 l/min
Maximum Pilot Pressure
250 bar
Minimum Pilot Pressure
10 bar
Mounting Pattern
ISO 4401-08-07-0-94
Pilot Valve Nominal Flow
24 l/min
Protection Class
IP65
Relative Duty Cycle
100%
Size
NG 25
Supply Voltage
24 V DC
Weight
18 kg
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