Bosch Rexroth | 4WP6J6XN5
4WP6J6X/N/5
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The 4WP6J6X/N/5 spool valve belongs to the WP Pneumatic Spool Valves series manufactured by Bosch Rexroth and is intended for hydraulic automation tasks such as directional control of actuators. It follows the ISO 4401-03-02-0-05 mounting pattern so it can drop onto standard subplates, while the NFPA D03 interface supports installation in North American manifolds. Its NG6 nominal size establishes the flow class of the component, and a clamping length of 42 mm secures the body within a stacked assembly. The valve can be installed in any orientation, allowing flexible placement inside power units or machine frames. An integrated manual override lets technicians shift the spool during setup or in the event of electrical loss. A cleanliness level of 20/18/15 per ISO 4406 is required to keep the spool free of scoring and to maintain proper sealing between lands.
The pressure limits reach 315 bar on ports A, B, and P, enabling use in high-pressure work circuits, whereas port T is restricted to 160 bar to safeguard the return line. Pilot operation is possible with supplies between 4 and 10 bar, giving the designer room to use low-pressure control stages while guaranteeing consistent actuation. The pilot connection uses a G1/4 thread for straightforward tubing hookup, and a pilot volume of 4.24 cm³ specifies the fluid needed to move the spool, influencing shift time. A switching capacity of 7200 cycles per hour supports fast repetitive motion in automated cells, and the valve passes up to 60 l/min without excessive pressure drop. The DIN 24340 Form A porting pattern aligns with European manifold layouts, making the unit compatible with a broad range of hydraulic bases.
Technical Specifications
Clamping Length
42 mm
Cleanliness Class (iso 4406)
20/18/15
Installation Position
Any
Manual Override
Yes
Max Operating Pressure (a/b/p)
315 bar
Max Operating Pressure (t)
160 bar
Max Switching Frequency
7200 1/h
Maximum Flow
60 l/min
Maximum Pilot Pressure
10 bar
Minimum Pilot Pressure
4 bar
Mounting Pattern
ISO 4401-03-02-0-05
Nfpa Mounting Interface
D03
Nominal Size
NG6
Pilot Oil Port Thread
G1/4
Pilot Volume
4.24 cm3
Porting Pattern (din)
DIN 24340 Form A
1620 Old Apex Road
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