Bosch Rexroth | 4WP6HA5XN5
4WP6HA5X/N/5
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The 4WP6HA5X/N/5 directional valve is produced by Bosch Rexroth for the WP Pneumatic Spool Valves series and serves to route hydraulic flow in automated machinery. It attaches to manifolds through an ISO 4401-03-02-0-05 interface so it can be exchanged without custom drilling. Size 6 flow galleries and a spool in position a establish the default path when the solenoid is not energized, while spool symbol H defines the internal cross-connections used during actuation. Four main ports permit separate pressure, tank, and dual actuator lines, and service pressures reach 315 bar at ports a, b, and p to handle high-pressure circuits. The tank port tolerates up to 160 bar so return flow remains contained, and a rated flow of 60 l/min matches medium-capacity cylinders.
A manual override is provided to shift the spool mechanically during setup or in the event of power loss. Contamination limits follow ISO 4406 class 20/18/15 to protect the metering edges from wear, and NBR seals maintain compatibility with standard mineral oils. The valve can be installed in any orientation, giving designers layout freedom. A pilot volume of 4.24 cm³ defines the oil needed for each actuation, and the pilot stage functions between 4 bar minimum and 10 bar maximum to ensure consistent switching. A maximum frequency of 7200 cycles per hour supports rapid duty cycles in automated presses and pick-and-place units.
Technical Specifications
Cleanliness Class (iso 4406)
20/18/15
Installation Position
Any
Main Ports
4
Manual Override
Yes
Max Flow
60 l/min
Max Operating Pressure (a,b,p)
315 bar
Max Pilot Pressure
10 bar
Max Switching Frequency
7200 1/h
Max Tank Port Pressure (t)
160 bar
Min Pilot Pressure
4 bar
Mounting Interface
ISO 4401-03-02-0-05
Pilot Volume
4.24 cm3
Seal Material
NBR
Size
6
Spool Position
a
Spool Symbol
H
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