Bosch Rexroth | 4WP6C6X5
4WP6C6X/5
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The 4WP6C6X/5 spool valve belongs to the WP Pneumatic Spool Valves series from Bosch Rexroth and directs hydraulic flow in automated machinery where pneumatic pilot signals are available. Pneumatic actuation removes the need for electric solenoids, while nominal size 6 passages suit compact circuit layouts. The valve tolerates a maximum operating pressure of 315 bar on ports A, B, and P, and the tank port is limited to 160 bar to protect return piping. A flow capacity of 60 l/min keeps pressure drops low in medium-capacity systems. Pilot control works between 4 bar and 10 bar, giving flexibility in pilot circuit design, and the pilot volume is 4.24 cm³ to minimize air consumption and speed actuation.
The valve can switch up to 7 200 cycles per hour, supporting rapid duty applications. Hydraulic fluid may reach 80 °C during continuous operation, and installation in any position simplifies manifold layout. System cleanliness should meet ISO 4406 class 20/18/15 to protect spool surfaces from wear. The mounting interface follows ISO 4401-03-02-0-05 and the porting pattern matches DIN 24340 Form A, allowing compatibility with standard subplates. Proper sealing requires mounting face flatness within 0.01 mm per 100 mm and roughness not exceeding Rzmax 4, ensuring leak-free joints and straightforward maintenance.
Technical Specifications
Actuation Type
Pneumatic
Cleanliness Class
ISO 4406 20/18/15
Hydraulic Fluid Temp Max (nbr)
80 °C
Installation Position
Any
Max Operating Pressure (a, B, P)
315 bar
Max Tank Port Pressure (t)
160 bar
Maximum Flow
60 l/min
Maximum Pilot Pressure
10 bar
Maximum Switching Frequency
7200 1/h
Minimum Pilot Pressure
4 bar
Mounting Face Flatness
0.01 mm/100 mm
Mounting Face Roughness
Rzmax 4
Mounting Interface
ISO 4401-03-02-0-05
Nominal Size
6
Pilot Volume
4.24 cm³
Porting Pattern
DIN 24340 Form A
1620 Old Apex Road
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