Bosch Rexroth | 4WEH16E7X6EG96N9ETS2K4B10
4WEH16E7X/6EG96N9ETS2K4/B10
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The 4WEH16E7X/6EG96N9ETS2K4/B10 valve belongs to the WEH Directional Spool Valves series from Bosch Rexroth. It is an electro-hydraulic unit that shifts a 4-way spool to route pressure and tank lines in automated hydraulic machinery. The nominal size NG16 establishes port spacing that matches the ISO 4401-07-07-0-05 mounting interface, allowing direct stack installation on standard manifolds. The main spool returns to center by springs so flow is blocked when pilot pressure is removed. Pilot oil is supplied internally through port X and returns internally through port T, eliminating external hoses. A 4WE6E pilot control valve generates the shift pressure, while a concealed N9 manual override enables hand actuation during maintenance.
The solenoids connect through a DIN EN 175301-803 K4 plug, providing sealed electrical termination for industrial panels. With the e-spool fitted, the valve passes up to 300 l/min without exceeding design drop limits. Working ports P, A, and B tolerate operating pressures to 280 bar, and the pilot stage accepts up to 250 bar while needing at least 14 bar to move the main spool. A throttle insert with a 1.0 mm orifice, coded B10, is installed in the pilot gallery to moderate flow and reduce pressure transients. Complete with two solenoids, the assembly weighs 8.9 kg, permitting rigid mounting without extra support brackets.
Technical Specifications
Actuation Type
Electro-Hydraulic
Electrical Connection
DIN EN 175301-803 (K4)
Main Spool Return
By Springs
Manual Override
Concealed (N9)
Max Flow (e Spool, Spring-centered)
300 l/min
Max Operating Pressure (p, A, B)
280 bar
Max Pilot Pressure
250 bar
Min Pilot Pressure (spring-centered)
14 bar
Mounting Interface
ISO 4401-07-07-0-05
Nominal Size
NG16
Pilot Control Valve
4WE6E
Pilot Oil Return
Internal (T)
Pilot Oil Supply
Internal (X)
Throttle Insert
Ø 1.0 mm (B10)
Way Configuration
4-Way
Weight (two Solenoids)
8.9 kg
1620 Old Apex Road
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