Bosch Rexroth | 4WP6D6X
4WP6D6X/
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The 4WP6D6X/ valve is part of the WP Pneumatic Spool Valves series manufactured by Bosch Rexroth for hydraulic automation tasks that require compact directional control. The unit is actuated pneumatically, allowing the spool to shift without electric solenoids. Its size 6 envelope fits small power modules while passing the required flow. The pressure rating of 315 bar on ports a, b, and p supports high-pressure circuits used in presses or clamping devices. HL or HLP hydraulic oils according to DIN 51524 can circulate through the valve without restriction. HETG, HEPG, and HEES bio-based fluids are also accepted to meet environmental policies. The valve may be installed in any orientation, so designers have freedom in manifold stacking. Pilot air must lie between 4 and 10 bar, and each shift consumes 4.24 cm³ of air, enabling accurate sizing of control lines and compressors.
Maximum hydraulic flow of 60 l/min allows the valve to drive medium-sized cylinders at practical speeds. Return port t can tolerate 160 bar, preventing functional issues when back-pressure builds in long lines. The spool can operate up to 7,200 cycles per hour, supporting rapid indexing machinery. ISO 4406 cleanliness class 20/18/15 is needed to protect the metering edges from contamination. The subplate footprint follows DIN 24340 Form A to align with European manifold standards. An additional ISO 4401-03-02-0-05 pattern ensures compatibility in global assemblies, and the NFPA T3.5.1 D03 interface matches common North American mounts. These interface provisions simplify replacement and reduce downtime.
Technical Specifications
Actuation Type
Pneumatic
Biofluid Compatibility
HETG, HEPG, HEES
Cleanliness Class
ISO 4406 20/18/15
Din Interface
24340 Form A
Hydraulic Fluid
HL, HLP (DIN 51524)
Installation Position
Any
Iso Interface
4401-03-02-0-05
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
Nfpa Interface
T3.5.1 D03
Pilot Volume
4.24 cm3
Size
6
1620 Old Apex Road
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