Bosch Rexroth | 4WEH32G6X6EW110N9TS2K4
4WEH32G6X/6EW110N9TS2K4
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The 4WEH32G6X/6EW110N9TS2K4 valve is produced by Bosch Rexroth for the WEH Directional Spool Valves series and directs hydraulic flow in automated systems that require precise spool positioning. The valve has a nominal size of NG32 so it fits circuits needing large flow capacity, and its 4-way configuration provides separate paths for pressure, return, and two work ports. A spool identified by symbol G establishes the specific flow pattern when shifted. The maximum operating pressure at ports P, A, and B is 280 bar, suitable for high-pressure industrial lines. A minimum pilot pressure of 8.5 bar is required to move the spring-centered three-position spool. Pilot oil is supplied externally at port X and returns internally through port T, simplifying manifold layout.
Switching time can be tuned with the discharge control option labeled S2 to match response requirements. A concealed manual override coded N9 permits local actuation without exposing the mechanism to contaminants. Electrical actuation comes through a DIN EN 175301-803 K4 connector, integrating the valve with standard solenoid wiring. Six mounting bolts sized M20 × 80 secure the unit to a subplate, and each bolt requires 340 Nm of tightening torque to seal the ISO 4401-10-09-0-05 porting pattern. The valve passes up to 450 l/min at a performance limit referenced to 350 bar, supporting high throughput applications. Maximum pilot pressure is 250 bar while pilot return pressure at port y or Ac is limited to 160 bar, protecting the pilot stage. Port T also tolerates up to 250 bar, giving designers flexibility in back-pressure conditions.
Technical Specifications
Bolt Tightening Torque
340 Nm
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Operating Pressure (p, A, B)
280 bar
Max Pilot Pressure
250 bar
Max Pilot Return Pressure (y, Ac)
160 bar
Max Pressure Port T
250 bar
Min Pilot Pressure (3-pos, Spring)
8.5 bar
Mounting Bolts
6x M20 x 80
Nominal Size
NG32
Performance Limit (g, 350 Bar)
450 l/min
Pilot Oil Configuration
X External, T Internal (T)
Porting Pattern
ISO 4401-10-09-0-05
Spool Symbol
G
Switching Time Adjustment
Discharge Control (S2)
Way Configuration
4-Way
1620 Old Apex Road
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