Bosch Rexroth | 4WRVE25V370M-2XG24K0B5M
4WRVE25V370M-2X/G24K0/B5M
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The 4WRVE25V370M-2X/G24K0/B5M valve is produced by Bosch Rexroth and forms part of the 4WRVE Solenoid Directional Control Valves series. Designed for closed-loop hydraulic automation, it directs flow between pressure, actuator, and tank galleries according to an electro-hydraulic signal. Its nominal size of NG25 matches medium-flow manifolds, while the ISO 4401-08-08-0-05 interface allows direct mounting without extra adapters. The spool labeled V sets a port arrangement that supports bidirectional cylinder movement, and the progressive M flow characteristic delivers fine metering near the center and faster response at larger strokes. A nominal flow of 370 l/min at a 10 bar differential provides baseline sizing data for servo circuits, and mineral oil grades HL or HLP are specified to ensure compatible lubrication and sealing. The pilot stage needs at least 10 bar control-oil pressure to shift the main spool reliably, and the working ports can be pressurized up to 350 bar, giving headroom for presses or injection systems.
The assembly handles transient demands with a maximum flow capacity of 900 l/min, so overshoot is avoided during rapid actuator motion, while the return, X, and Y lines are limited to 250 bar to protect the drain paths from overload. Electrical actuation is driven by a ±10 V input signal that represents the desired spool position, and internal electronics are supplied with 24 V DC for consistent solenoid force. Connection is made through an 11P+PE plug conforming to DIN 43563-AM6, simplifying wiring in standardized enclosures. An IP65 housing prevents dust ingress and water jets from affecting the coils, and a purity class of 18/16/13 under ISO 4406 is required to keep the metering edges free from abrasion. The unit weighs 18.2 kg, so manifolds and brackets must be rated accordingly to maintain alignment and vibration stability.
Technical Specifications
Control Spool Symbol
V
Degree Of Protection
IP65
Electrical Connection
11P+PE (DIN 43563-AM6)
Flow Characteristic
M (Progressive)
Hydraulic Fluid
Mineral Oil (HL, HLP)
Input Signal
±10 V
Max Pressure (t, X, Y)
250 bar
Maximum Flow (qmax)
900 l/min
Maximum Working Pressure (p,a,b)
350 bar
Min Control Oil Pressure (pilot Stage)
10 bar
Mounting Interface
ISO 4401-08-08-0-05
Nominal Flow (Δp=10 Bar)
370 l/min
Nominal Size
NG25
Power Supply
24 V DC
Purity Class (iso 4406)
18/16/13
Weight
18.2 kg
1620 Old Apex Road
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