Bosch Rexroth | 4WE10G73-31CG12N9Z45-S09
4WE10G73-31/CG12N9Z45 S09
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The 4WE10G73-31/CG12N9Z45 S09 valve belongs to the WE Directional Spool Valves series and is produced by Bosch Rexroth for hydraulic automation where precise flow direction is required. It provides four fluid ports and three switching positions to route pressure, return, and actuator lines as needed. The G73 spool symbol defines the internal flow paths selected by the solenoid pilot. A nominal size of 10 and a CETOP D05 interface align the valve with common manifold blocks, while the ISO 4401-05-04-0-05 porting pattern maintains interchangeability across equipment. Subplate mounting simplifies service because the valve can be removed without disturbing pipework. A wet-pin DC solenoid with a detachable coil drives each spool end and is energized with a 12 V DC supply.
Electrical connection is made through an EN 175301-803 three-pin plug marked Z45, allowing quick replacement of coils during maintenance. When the mating connector is fitted, the housing achieves an IP65 rating that resists dust ingress and low-pressure water jets. A concealed manual override identified by code N9 permits local shifting of the spool without exposed hardware. The assembly tolerates system pressures up to 315 bar on pressure ports and 210 bar on the tank port, enabling use in high-pressure circuits. A maximum flow of 100 l/min can pass through the valve without exceeding rated pressure loss, supporting medium-capacity actuators. These parameters define the valve’s operational limits in mobile or industrial hydraulic circuits.
Technical Specifications
Cetop Size
D05
Electrical Connector
EN 175301-803 3-pin (Z45)
Ingress Protection
IP65 (with mating connector)
Manual Override
Concealed (N9)
Max Operating Pressure
315 bar
Max Tank Port Pressure
210 bar
Maximum Flow
100 l/min
Mounting Type
Subplate Mounting
Nominal Size
10
Number Of Ports
4
Number Of Positions
3
Porting Pattern
ISO 4401-05-04-0-05
Solenoid Type
Wet-Pin DC, Detachable Coil
Spool Symbol
G73
Supply Voltage
12 V DC
1620 Old Apex Road
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