Bosch Rexroth | 4WEH16W7X6EW110N9ETS2K4B10
4WEH16W7X/6EW110N9ETS2K4/B10
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The 4WEH16W7X/6EW110N9ETS2K4/B10 directional valve is built by Bosch Rexroth as part of the WEH Directional Spool Valves series. It directs hydraulic flow in automation systems that require rapid on-off sequences. The unit uses a 4-way spool layout to route pressure to two service lines or tank as commanded. With a frame size of NG16, it matches manifolds sized for medium flow applications. Electro-hydraulic actuation converts an electrical pilot signal into hydraulic force, allowing remote control from PLC outputs. Subplate mounting lets the valve drop onto a standardized manifold without threaded porting, while the ISO 4401-07-07-0-05 port pattern ensures interchangeability with other components. A high-power pilot control valve develops sufficient pilot pressure to shift the spool under load, and the main stage tolerates up to 280 bar on the P, A, and B ports.
The valve passes up to 300 l/min, so it supports actuators that demand high cylinder speeds. Electrical termination is provided by a DIN EN 175301-803 connector and is supplied without a mating plug, leaving the installer free to choose cable orientation. Fluid entering the device must meet ISO 4406 class 20/18/15 cleanliness to prevent silt from scoring the spool lands. A concealed manual override allows maintenance staff to shift the spool locally during setup without exposing moving parts. Switching time can be adjusted through a discharge control feature, letting the user fine-tune response to minimize shock in the circuit. A 1.0 mm throttle insert in the pilot gallery limits pilot flow to stabilize actuation and reduce energy loss.
Technical Specifications
Actuation
Electro-Hydraulic
Electrical Connection
Without mating connector; connector DIN EN 175301-803
Fluid Cleanliness
ISO 4406 20/18/15
Manual Override
Concealed
Maximum Flow
300 l/min
Maximum Operating Pressure (p, A, B)
280 bar
Mounting Type
Subplate
Pilot Control Valve
High-Power
Porting Pattern
ISO 4401-07-07-0-05
Size
NG16
Switching Time Adjustment
Switching time adjustment as discharge control
Throttle Insert
1.0 mm
Way Configuration
4-Way
1620 Old Apex Road
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