Bosch Rexroth | 4WRL25EZ350S-3XG24ETZ4M-763
4WRL25EZ350S-3X/G24ETZ4/M-763
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The 4WRL25EZ350S-3X/G24ETZ4/M-763 proportional solenoid valve is produced by Bosch Rexroth for the 4WRL Solenoid Valves series. It meters fluid in electro-hydraulic automation where electronic signals translate into stable flow control. The coil operates from a 24 V DC supply and draws up to 2.7 A to generate the magnetic force that shifts the spool. Electrical hookup uses a DIN 43650/ISO 4400 two-pole plus earth connector, while the housing carries an IP65 rating that shields internal parts from dust and water jets when the plug is fitted. Mechanical mounting conforms to the ISO 4401-08-07-0-94 interface so the valve can bolt directly to standard manifolds. Internal channels handle both pilot oil supply and return, eliminating external pilot lines. The assembled unit weighs 18 kg, a load that must be supported by the manifold or sub-plate.
The valve passes up to 900 l/min of main flow without exceeding accuracy limits. Ports p, a, and b can withstand working pressures to 350 bar for use in high-pressure circuits. Pilot operation begins at 10 bar and remains safe up to 250 bar, and secondary ports t, x, and y are also limited to 250 bar to protect drain passages. The integral pilot valve delivers 24 l/min of control oil so the spool responds quickly to command changes. Sealing is handled by NBR elastomers that are compatible with common hydraulic oils. Position feedback wiring connects through a Pg7 four-pin transducer socket to support closed-loop control. Together these limits on flow, pressure, electrical input, and sealing define how the valve performs in automated hydraulic machinery.
Technical Specifications
Degree Of Protection
IP65
Max Flow
900 l/min
Max Pilot Pressure
250 bar
Max Pressure (t/x/y)
250 bar
Max Solenoid Current
2.7 A
Max Working Pressure (p/a/b)
350 bar
Min Pilot Pressure
10 bar
Mounting Interface
ISO 4401-08-07-0-94
Pilot Oil Return
Internal
Pilot Oil Supply
Internal
Pilot Valve Flow
24 l/min
Seal Material
NBR
Solenoid Connector
DIN 43650/ISO 4400 (2P+PE)
Supply Voltage
24 V DC
Transducer Connector
Pg7 (4P)
Weight
18 kg
1620 Old Apex Road
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