Bosch Rexroth | Z4WEH10E63-5X4KEG24N9ETK4
Z4WEH10E63-5X/4KEG24N9ETK4
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The Z4WEH10E63-5X/4KEG24N9ETK4 valve belongs to the Z4WE Solenoid Actuation Spool Valves series and is manufactured by Bosch Rexroth for directional control in automated hydraulic systems. The E63 spool symbol specifies the internal flow paths needed for four-way switching in pilot-operated circuits. A maximum flow capacity of 160 l/min supports medium-size actuators without excessive pressure losses, while ports A and B tolerate up to 315 bar to handle high load demands. The pressure limit on port P is 250 bar, protecting the supply line, and port T can accept back pressure to 210 bar for remote tank returns. Reliable shifting is ensured by a minimum pilot pressure of 12 bar that moves the main spool against system forces. Two 24 V DC solenoids provide electrical actuation compatible with common control voltages, and the assembled unit weighs 4.6 kg, a consideration for manifold support and vibration damping.
Installation follows the ISO 4401-05-04-0-05 interface, allowing the valve to mount directly on NG10 subplates, and an external pilot line connects through a G1/4 port X for flexible circuit layout. The permitted viscosity range of 2.8 to 500 mm²/s covers most standard hydraulic oils, maintaining predictable response over a broad spectrum of fluid conditions. Fluid temperature may vary from −30 to +80 °C, and the valve remains functional in ambient temperatures between −30 and +50 °C, supporting outdoor or mobile equipment. Cleanliness level ISO 4406 20/18/15 defines the filtration needed to prevent spool wear and sticking. Electrical connection is made with a DIN EN 175301-803 plug, offering a sealed, industry-standard interface to the coils. A concealed manual override identified as N9 allows on-site shifting during commissioning or in the event of power loss, enabling maintenance staff to move the spool without removing the connector.
Technical Specifications
Ambient Temperature (nbr)
-30 to +50 °C
Cleanliness Class
ISO 4406 20/18/15
Electrical Connector
DIN EN 175301-803
Fluid Temperature (nbr)
-30 to +80 °C
Manual Override
Concealed (N9)
Max Pressure A/b
315 bar
Max Pressure Port P (et)
250 bar
Max T Port Pressure (dc)
210 bar
Maximum Flow
160 l/min
Minimum Pilot Pressure
12 bar
Mounting Interface
ISO 4401-05-04-0-05
Pilot Port X
G1/4
Spool Symbol
E63
Supply Voltage
24 VDC
Viscosity Range
2.8 to 500 mm²/s
Weight (2 Solenoids)
4.6 kg
1620 Old Apex Road
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