Bosch Rexroth | 4WEH16E7X6EW110N9TK4
4WEH16E7X/6EW110N9TK4
Request a Quote
Call For Quote
What Happens Next?
Email Confirmation
You will get an email confirming we have received your inquiry.
Dedicated Account Manager
A team member will review your request and be in touch concerning any questions or specifications.
Quote Delivered
You will receive a comprehensive quote tailored to your specific needs.
The 4WEH16E7X/6EW110N9TK4 valve is produced by Bosch Rexroth within the WEH Directional Spool Valves series. Designed to shift flow paths in hydraulic automation, it employs a spool symbol E with three positions so actuators can be advanced, retracted, or blocked as required. A spring-centered return recenters the spool after the solenoids are de-energized, restoring neutral flow conditions. With a nominal size of NG16 and the ISO 4401-07-07-0-05 porting pattern, the unit bolts directly to standardized subplates. External pilot oil supply through channel X isolates the control stage from main line pressure while the internal T port handles pilot return, reducing hose runs. The valve handles up to 300 l/min on the E spool and withstands 280 bar on ports P, A, and B, enabling high-capacity circuits. Stable operation is maintained once pilot pressure reaches 14 bar, and the assembly weighs 8.9 kg for manageable installation.
Electrical connection is provided by a DIN EN 175301-803 plug coded K4, allowing quick coil replacement without rewiring. A concealed manual override identified by code N9 lets technicians shift the spool during commissioning or in power-loss situations while preventing accidental actuation in service. Acceptable hydraulic fluid viscosity ranges from 2.8 to 500 mm²/s, giving the designer freedom to use common mineral oils or fire-resistant alternatives. The fluid temperature window of –20 to +80 °C supports outdoor machinery and elevated tank temperatures. The pilot stage tolerates up to 250 bar supply pressure, and its internal return path can accommodate 160 bar AC back-pressure without affecting switching accuracy. Together these limits keep the electromagnetic operator within safe force margins. Combined, these electrical and fluid parameters allow the valve to operate reliably across a wide range of mobile and stationary hydraulic systems.
Technical Specifications
Control Spool Return
Spring-Centered
Electrical Connection
DIN EN 175301-803 (K4)
Hydraulic Fluid Temp Range (nbr)
-20 to +80 C
Manual Override
Concealed (N9)
Max Flow (spool E, Ng16)
300 l/min
Max Operating Pressure (p,a,b)
280 bar
Max Pilot Pressure
250 bar
Max Pilot Return Pressure (y Internal)
160 bar (AC)
Min Pilot Pressure (3-pos Spring-centered)
14 bar
Nominal Size
NG16
Pilot Oil Return
Internal (T)
Pilot Oil Supply
External (X)
Porting Pattern
ISO 4401-07-07-0-05
Spool Symbol
E (3-Position)
Viscosity Range
2.8 to 500 mm2/s
Weight (two Solenoids, Spring-centered)
8.9 kg
1620 Old Apex Road
Shipping & Payment Options
