Bosch Rexroth | 4WP6EA6XN5
4WP6EA6X/N/5
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The 4WP6EA6X/N/5 valve is part of the WP Pneumatic Spool Valves series manufactured by Bosch Rexroth for directional control in hydraulic automation. It uses pneumatic actuation to shift a spool identified by symbol EA, enabling circuits to alternate between pressure and return lines. The unit is built in nominal size 6 with four ports laid out to the ISO 4401-03-02-0-05 pattern, allowing direct mounting on standard subplates. The inlet and work ports withstand up to 315 bar, while the tank port is rated for 160 bar, supporting high-pressure operation in compact manifolds. A maximum flow rate of 60 l/min can pass through the valve without exceeding these limits.
The pilot stage functions between 4 bar and 10 bar, matching common pneumatic supply networks. A switching capacity of 7200 cycles per hour suits rapid repetition applications. Internal passages require oil filtered to ISO 4406 class 20/18/15 to maintain reliable spool movement, and NBR seals provide compatibility with standard mineral hydraulic fluids. A manual override is included to permit local actuation during commissioning or maintenance. Service temperatures range from −30 °C to 80 °C, so the valve performs in both unheated machinery halls and high-temperature equipment enclosures.
Technical Specifications
Actuation Type
Pneumatic
Fluid Cleanliness Class
ISO 4406 20/18/15
Manual Override
Yes
Max Ambient Temp
80 °C
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 Ambient Temp (nbr)
-30 °C
Min Pilot Pressure
4 bar
Nominal Size
6
Port Pattern
ISO 4401-03-02-0-05
Ports
4
Seal Material
NBR
Spool Symbol
EA
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