Bosch Rexroth | 4WP6E6X5
4WP6E6X/5
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The 4WP6E6X/5 spool valve belongs to the WP Pneumatic Spool Valves series and is built by Bosch Rexroth for directional control in hydraulic automation. Pneumatic actuation shifts the spool, eliminating electric coils. The valve is direct operated, so pilot pressure acts directly on the spool. Its nominal size of 6 fits compact manifolds. Maximum operating pressure is 315 bar, while a flow capacity of 60 l/min suits medium cylinders. A pilot pressure range from 4 bar to 10 bar ensures reliable operation without overloading seals. The unit can switch up to 7200 cycles per hour, and radial pilot connections route air lines sideways to save vertical space.
The body fastens to subplates that follow DIN 24340 Form A, ensuring interchangeability across machines. System oil cleanliness must stay within ISO 4406 code 20/18/15 to protect the spool from contamination. An NBR seal set allows operation with mineral oils and handles fluid temperatures from −30 °C to +80 °C. The tank port tolerates back pressure up to 160 bar, so return flow can be restricted if needed. Pilot volume is 4.24 cm³, keeping the control chamber small for quick response. These characteristics let the 4WP6E6X/5 valve maintain precise flow direction under frequent cycling and elevated pressure.
Technical Specifications
Actuation Type
Pneumatic
Cleanliness Class Iso 4406 (c)
20/18/15
Design
Direct Operated
Max Flow
60 l/min
Max Fluid Temperature (nbr)
+80 °C
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 Fluid Temperature (nbr)
-30 °C
Min Pilot Pressure
4 bar
Mounting Pattern
DIN 24340 Form A
Nominal Size
6
Pilot Connection Orientation
Radial
Pilot Volume
4.24 cm3
Seal Material
NBR
1620 Old Apex Road
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