Bosch Rexroth | Z4WE6E137-3XEG24N9K4
Z4WE6E137-3X/EG24N9K4
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The Z4WE6E137-3X/EG24N9K4 valve is produced by Bosch Rexroth within the Z4WE Solenoid Actuation Spool Valves series and is used to route flow and pressure in automated hydraulic equipment. A maximum operating pressure of 315 bar permits use in high-pressure circuits, while a peak flow of 50 L/min supplies medium-sized actuators. Flow is metered through a 1.7 mm orifice in the E137 spool to maintain control accuracy. Its mounting face follows the ISO 4401-03-02-0-05 porting pattern, making it interchangeable with standard subplates. The solenoid is wound for 24 V DC, and a rated current of 1.25 A keeps magnet force stable. Power draw is limited to 30 W so heat buildup is modest, and a 100 percent duty cycle allows the coil to remain energized continuously.
A port T limit of 210 bar for direct-current operation protects the return line from overload, and a switching rate of 15 000 cycles per hour supports high-speed sequencing. The DIN EN 175301-803 K4 connector provides quick electrical hookup, while an IP65 housing resists dust and water jets. Coil surface temperature can reach 120 °C, so adjacent components must withstand that heat. A concealed manual override labeled N9 enables mechanical shifting during commissioning or power loss. NBR seals are fitted to resist common hydraulic oils, and fluid cleanliness should stay within ISO 4406 class 20/18/15 to prevent spool wear.
Technical Specifications
Cleanliness Class
ISO 4406 (c) 20/18/15
Coil Max Surface Temperature
120 °C
Duty Cycle
100% ED
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Operating Pressure
315 bar
Max Port T Pressure (dc)
210 bar
Max Switching Frequency
15000 1/h
Maximum Flow
50 L/min
Nominal Voltage
24 V DC
Orifice Diameter (spool E137)
1.7 mm
Porting Pattern
ISO 4401-03-02-0-05
Power Consumption
30 W
Protection Class
IP65
Rated Current
1.25 A
Seal Material
NBR
1620 Old Apex Road
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