Bosch Rexroth | 4WP10C3XOFV12
4WP10C3X/OF/V/12
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The 4WP10C3X/OF/V/12 valve belongs to the WP Pneumatic Spool Valves series from Bosch Rexroth and is intended for directional control in hydraulic automation systems. It is built with four main ports to match common actuator and supply lines, and its nominal size is 10 which sets the flow passage dimensions for medium-capacity circuits. The interface follows the ISO 4401-05-04-0-05 pattern so mounting on standard subplates is straightforward. During operation the spool accommodates flow rates up to 160 l/min without excessive pressure drop, while ports A, B, and P can be pressurized to 350 bar. The tank port is limited to 210 bar, ensuring safe return-line conditions in closed or open center configurations.
Control oil can be applied through a pilot port threaded 7/16-20 UNF, and reliable shifting occurs between a minimum pilot pressure of 8 bar and a maximum of 160 bar. The design works with hydraulic fluids that have viscosities from 2.8 mm²/s to 500 mm²/s, allowing use with a range of mineral and synthetic oils. FKM seals resist wear and maintain leakage control within the specified fluid temperature window of −15 °C to +80 °C. Ambient service temperatures are identical on the low end at −15 °C and rise to +70 °C on the high end, supporting installation in moderately heated machinery spaces. These parameters enable predictable spool movement and long service life under varied duty cycles.
Technical Specifications
Main Ports
4
Max Ambient Temperature (fkm)
+70 °C
Max Hydraulic Fluid Temp (fkm)
+80 °C
Max Operating Pressure (a/b/p)
350 bar
Max Tank Port Pressure (t)
210 bar
Max Viscosity
500 mm²/s
Maximum Flow
160 l/min
Maximum Pilot Pressure
160 bar
Min Ambient Temperature (fkm)
-15 °C
Min Hydraulic Fluid Temp (fkm)
-15 °C
Min Viscosity
2.8 mm²/s
Minimum Pilot Pressure
8 bar
Nominal Size
10
Pilot Oil Port Thread
7/16-20 UNF
Porting Pattern
ISO 4401-05-04-0-05
Seal Material
FKM
1620 Old Apex Road
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