Bosch Rexroth | 3WH6A5X5
3WH6A5X/5
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The 3WH6A5X/5 directional spool valve belongs to the WEH Directional Spool Valves series and is manufactured by Bosch Rexroth for hydraulic automation circuits that demand compact flow control. It uses hydraulic actuation and provides two switching positions defined by spool symbol A to shift flow paths between three ports. Nominal size 6 dimensions allow integration into small manifolds, while subplate mounting simplifies service replacement. The interface conforms to the ISO 4401-03-02-0-05 porting pattern so the valve aligns with common CETOP 03 subplates. Internal sealing is handled by NBR material to retain fluid under varying temperature ranges.
The valve supports a maximum flow rate of 60 l/min and tolerates operating pressures up to 315 bar at the service ports. Pilot actuation can be supplied from 6 to 200 bar and acts on a pilot volume of 1.23 cm³ to move the spool rapidly. Back-pressure capability extends to 160 bar at the tank port, maintaining reliable return flow in high-pressure circuits. A maximum switching frequency of 2 Hz keeps cyclic operation within safe limits for valve wear and system stability. The mounting face also follows the NFPA T3.5.1 R2-2002 D03 pattern, giving compatibility with North American manifold standards.
Technical Specifications
Actuation
Hydraulic
Max Flow
60 l/min
Max Operating Pressure
315 bar
Max Pilot Pressure
200 bar
Max Switching Frequency
2 Hz
Max Tank Port Pressure
160 bar
Min Pilot Pressure
6 bar
Mounting
Subplate
Nfpa Port Pattern
T3.5.1 R2-2002 D03
Nominal Size
6
Pilot Volume
1.23 cm³
Porting Pattern
ISO 4401-03-02-0-05
Ports
3
Seal Material
NBR
Spool Symbol
A
Switching Positions
2
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