Bosch Rexroth | 4WRL25V1-370M-3XG24K0M-750
4WRL25V1-370M-3X/G24K0/M-750
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The 4WRL25V1-370M-3X/G24K0/M-750 valve is produced by Bosch Rexroth within the 4WRL Solenoid Valves series. It meters hydraulic flow and shifts direction in closed-loop automation circuits. A nominal size of NG25 establishes the passage diameter for systems that need high volumetric throughput. The ISO 4401-08-07-0-94 mounting pattern aligns the body with standard subplates, allowing direct installation without custom manifolds. A 24 V DC supply energizes the coil so the unit can be driven by typical machine control power. The solenoid draws a maximum current of 2.7 A, setting the ceiling for driver modules, while overall electrical demand is limited to 40 VA, simplifying power supply sizing. A DIN 43650 connector with an M16×1.5 thread provides sealed plug-in wiring. The spool completes a full stroke in 45 ms between 0 and 100 % command at 100 bar, supporting rapid response, and valve hysteresis is held to 0.1 %, delivering repeatable position for precise pressure or speed regulation.
The valve passes a rated flow of 370 l/min with a 10 bar pressure drop, delivering steady actuator speed under normal load, and it tolerates peaks up to 900 l/min for transient demands. Ports P, A, and B withstand operating pressure to 350 bar, while ports T, X, and Y are limited to 250 bar to safeguard return and pilot lines. Pilot oil consumption is 24 l/min, supplying the volume required to shift the main spool, and the pilot stage functions with pressures from 10 to 250 bar to maintain control across light and heavy duty cycles. Hydraulic cleanliness must reach ISO 4406 class 18/16/13 so the precision edges remain free of contamination. These limits coordinate to maintain stable performance and long service life in automated hydraulic machinery.
Technical Specifications
Actuating Time 0–100% (x=100 Bar)
45 ms
Cleanliness Class (iso 4406)
18/16/13
Hysteresis
0.1%
Max Flow
900 l/min
Max Operating 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
Pilot Oil Flow
24 l/min
Pilot Pressure Max
250 bar
Pilot Pressure Min
10 bar
Power Consumption
40 VA
Rated Flow
370 l/min (Δp 10 bar)
Solenoid Connector
DIN 43650 (M16x1.5)
Supply Voltage
24 V DC
1620 Old Apex Road
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