Bosch Rexroth | 3WH6A5XO5
3WH6A5X/O/5
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The 3WH6A5X/O/5 valve belongs to the WEH Directional Spool Valves series and is built by Bosch Rexroth for hydraulic automation tasks. It uses hydraulic actuation to shift a size 6 spool between two switching positions, enabling controlled flow redirection in compact circuits. The unit carries spool symbol A and provides three main ports to accommodate pressure, return, and work lines. A subplate mounting connection is used, and the interface matches the ISO 4401-03-02-0-05 pattern so installation in standardized manifolds is straightforward. Proper function is supported when the valve is installed horizontally, and its 1.26 kg mass simplifies handling during assembly.
The hydraulic pilot stage accepts pressures from 6 bar up to 200 bar, while the main ports withstand operating pressures of 315 bar on the P, A, and B lines. The return T port tolerates up to 160 bar so backpressure in closed circuits can be accommodated without damage. A maximum flow rate of 60 l/min passes through the body when the spool is fully shifted, and the internal pilot volume of 1.23 cm³ minimizes response time. Sealing is provided by NBR material, which is compatible with common mineral-based fluids used in industrial hydraulics.
Technical Specifications
Actuation
Hydraulic
Installation Position
Horizontal
Main Ports
3
Max Flow
60 l/min
Max Operating Pressure (p/a/b)
315 bar
Max Pilot Pressure
200 bar
Max Return-port Pressure (t)
160 bar
Min Pilot Pressure
6 bar
Mounting Pattern
ISO 4401-03-02-0-05
Pilot Volume
1.23 cm³
Seal Material
NBR
Size
6
Spool Symbol
A
Switching Positions
2
Type Of Connection
Subplate Mounting
Weight
1.26 kg
1620 Old Apex Road
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