Bosch Rexroth | 4WEH32J6X6EW110N9S2DAL-CSA
4WEH32J6X/6EW110N9S2DAL CSA
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The 4WEH32J6X/6EW110N9S2DAL CSA valve is a member of the WEH Directional Spool Valves series from Bosch Rexroth. It shifts hydraulic flow to predetermined passages in automation circuits and supports high-demand motion sequences. The nominal size NG32 sets the flow channel dimensions, and the ISO 4401-10-09-0-05 porting pattern matches standard subplates for this size. A maximum flow capability of 1100 l/min allows the valve to feed large actuators, while ports P, A, and B can withstand operating pressures up to 280 bar. At 280 bar the performance limit is 750 l/min, indicating the flow that can be switched without excessive pressure drop. Actuation is managed by a 6E high-power pilot control valve, and its pilot oil is supplied externally through port X to isolate control pressure from the main circuit. The pilot stage tolerates up to 250 bar and needs at least 8.5 bar to return the spool to center when the spring-centered design is used.
Electrical triggering is provided by solenoids rated for 110 V AC at 50 or 60 Hz, and switching time can be fine-tuned with the S2 discharge adjustment to match system response needs. A concealed N9 manual override is present for local actuation during setup or power loss. Cleanliness requirements of ISO 4406 class 20/18/15 protect the precision spool fit from contamination-related wear. The valve routes return flow through port T, which is limited to 250 bar, while pilot drain port Y is restricted to 160 bar when AC coils are used. Overall mass for the two-solenoid, spring-centered version is 41.0 kg, giving the assembly sufficient stability for manifold mounting. Together, these characteristics ensure reliable directional control in high-flow hydraulic systems while maintaining consistent operation within the specified electrical, mechanical, and contamination limits.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Manual Override
N9 (Concealed)
Max Pilot Pressure
250 bar
Maximum Flow
1100 l/min
Min Pilot Pressure (spring-centered)
8.5 bar
Nominal Size
NG32
Performance Limit (j @ 280 Bar)
750 l/min
Pilot Control Valve
6E (High-Power)
Pilot Oil Supply
X External
Port P/a/b Max Operating Pressure
280 bar
Port T Max Pressure
250 bar
Port Y Max Pressure
160 bar (AC)
Porting Pattern
ISO 4401-10-09-0-05
Solenoid Voltage
110 V AC (50/60 Hz)
Switching Time Adjustment
S2 (Discharge)
Weight (2-solenoid, Spring-centered)
41.0 kg
1620 Old Apex Road
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