Bosch Rexroth | 4WEH16G7X6EG24N9TK4
4WEH16G7X/6EG24N9TK4
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The 4WEH16G7X/6EG24N9TK4 valve belongs to the WEH Directional Spool Valves series from Bosch Rexroth and is intended to route pressurized fluid in automated hydraulic systems. It fits the NG16 nominal size to mount on standardized sub-plates, and its 4-way flow path supports bidirectional actuator motion. Flow metering is defined by spool code G, while a spring-centered return drives the spool back to neutral when power is removed. A concealed N9 manual override permits local shifting during setup. The solenoid operates on 24 V DC and connects through a DIN EN 175301-803 K4 plug for quick wiring. Ports follow the ISO 4401-07-07-0-05 pattern, allowing the valve to drop into common manifolds without adapter plates.
At 280 bar the main stage conducts up to 210 l/min to satisfy medium-flow circuits. Working ports P, A, and B carry the same 280 bar operating pressure, while the pilot supply delivered at port X may reach 250 bar and needs at least 14 bar to shift the spool reliably. Pilot oil returns internally through port T, reducing external hoses, and the control signal is generated by an integrated 4WE6E pilot valve. ISO 4406 cleanliness class 20/18/15 is required to protect the precision lands and maintain switching accuracy. These parameters suit installations that demand rapid, repeatable direction changes under high system pressure.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Electrical Connector
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Flow (symbol G @ 280 Bar)
210 l/min
Max Operating Pressure (p, A, B)
280 bar
Max Pilot Pressure
250 bar
Min Pilot Pressure (x External)
14 bar
Nominal Size
NG16
Pilot Return
Internal (T)
Pilot Supply
External (X)
Pilot Valve Type
4WE6E
Porting Pattern
ISO 4401-07-07-0-05
Rated Voltage (solenoid)
24 V DC
Spool Return (main)
Spring-Centered
Spool Symbol
G
Way Configuration
4-Way
1620 Old Apex Road
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