Bosch Rexroth | 4WP6W6XNV
4WP6W6X/N/V
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The 4WP6W6X/N/V directional valve is produced by Bosch Rexroth for the WP Pneumatic Spool Valves series and serves to route hydraulic flow under pneumatic control. The unit is actuated pneumatically and is classified as valve size 6, allowing it to fit standardized subplates. Its four main ports organize pressure, service, and return lines, and the mounting interface follows ISO 4401-03-02-0-05 for drop-in replacement on modular manifolds. The internal spool carries symbol W to define its flow pattern, a spring return resets the spool when pilot air is removed, and a manual override is present for setup or emergency shifting. Because the valve can be installed in any position, designers gain flexibility during machine layout.
A clamping length of 42 mm aligns the body on the manifold, while FKM seals contain pressure media at elevated temperatures. The galleries support a maximum flow of 60 l/min with the housing rated for 315 bar operating pressure. Pneumatic pilot control functions between 4 bar and 10 bar, and port T is limited to 160 bar to protect the return circuit. System cleanliness must remain at ISO 4406 code 20/18/15 to avoid spool adhesion and wear. These parameters establish the operating envelope for reliable switching in hydraulic automation tasks.
Technical Specifications
Actuation Type
Pneumatic
Clamping Length
42 mm
Cleanliness Class
ISO 4406 20/18/15
Installation Position
Any
Main Ports
4
Manual Override
Present
Max Flow
60 l/min
Max Operating Pressure
315 bar
Max Pilot Pressure
10 bar
Min Pilot Pressure
4 bar
Mounting Interface
ISO 4401-03-02-0-05
Port T Max Pressure
160 bar
Seal Material
FKM
Spool Symbol
W
Spring Return
Yes
Valve Size
6
1620 Old Apex Road
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