Bosch Rexroth | 4WEH32E6X6EG24N9TS2DA
4WEH32E6X/6EG24N9TS2DA
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The 4WEH32E6X/6EG24N9TS2DA directional spool valve belongs to the WEH Directional Spool Valves series and is manufactured by Bosch Rexroth. It is an electro-hydraulic unit that shifts a NG 32, four-way spool to route pressure and return lines in automated hydraulic circuits. The integrated 6E pilot valve controls the main stage and is energized by a 24 V DC coil, enabling electrical interface with common machine controllers. During a switching event, the pilot stage requires 45 l/min of oil and a total pilot volume of 29.4 cm³, parameters that define the speed at which the main spool moves. The valve body follows the ISO 4401-10-09-0-05 porting pattern so it aligns with standardized subplates, and it supports continuous flows up to 1100 l/min without exceeding rated pressure drop.
For dependable actuation, the pilot supply must remain between 8.5 bar and 250 bar; these minimum and maximum pilot pressures ensure consistent force on the spool under varying system loads. External X supply and internal Y return form the T pilot-oil configuration, simplifying plumbing on manifolds that already provide a pressure tap. Switching speed can be slowed by the S2 discharge adjustment when circuit demands call for damped motion. A concealed N9 manual override lets maintenance staff reposition the spool without energizing the coil, and class ISO 4406 20/18/15 cleanliness is required to protect the precision lands from abrasion. Installation uses six M20 x 80 screws rated to ISO 4762-10.9, securing the valve to the manifold with proper preload.
Technical Specifications
Actuation Type
Electro-Hydraulic
Cleanliness Class
ISO 4406 20/18/15
Coil Voltage
24 V DC
Manual Override
Concealed (N9)
Maximum Flow
1100 l/min
Maximum Pilot Pressure
250 bar
Minimum Pilot Pressure
8.5 bar
Mounting Screws
6x M20 x 80 (ISO 4762-10.9)
Nominal Size
NG 32
Pilot Control Valve
6E
Pilot Flow For Shortest Switching
45 l/min
Pilot Oil Configuration
T (X External, Y Internal)
Pilot Volume For Switching
29.4 cm3
Porting Pattern
ISO 4401-10-09-0-05
Switching Time Adjustment
S2 (Discharge)
Way Configuration
4-Way
1620 Old Apex Road
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