Bosch Rexroth | 3WH6A5X
3WH6A5X/
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The 3WH6A5X/ valve is manufactured by Bosch Rexroth within the WEH Directional Spool Valves series. Designed to direct hydraulic flow in automated circuits, it uses hydraulic actuation to shift its internal spool and change the connection path between ports. Installation follows size 6 dimensions and uses a subplate mounting arrangement, so the body bolts to an ISO 4401-03-02-0-05 (D03) interface on the manifold. The spool identified by symbol A creates two switching positions that route oil as required by the control scheme. Three working ports are provided, allowing pressure supply, work, and return lines to be managed in compact layouts. The unit can be mounted in any orientation, which simplifies panel or machine design.
During operation the valve handles a maximum flow of 60 l/min while sustaining system pressures up to 315 bar on the supply port. The pilot stage accepts pressures between 6 bar and 200 bar; its 1.23 cm³ pilot volume ensures rapid but controlled spool movement. Return flow at the tank port is permitted up to 160 bar, so back-pressure in the reservoir line does not hinder actuation. To protect sensitive components the hydraulic medium must meet ISO 4406 class 20/18/15 cleanliness, and sealing elements formed from NBR maintain leakage control with common mineral oils. These operating limits position the 3WH6A5X/ valve as a compact component that supports reliable flow control in mobile or stationary hydraulic automation circuits.
Technical Specifications
Actuation Type
Hydraulic
Connection Type
Subplate Mounting
Fluid Cleanliness
ISO 4406 20/18/15
Installation Position
Any
Max Flow
60 l/min
Max Operating Pressure
315 bar
Max Pilot Pressure
200 bar
Max Tank Port Pressure
160 bar
Min Pilot Pressure
6 bar
Number Of Ports
3
Pilot Volume
1.23 cm³
Porting Interface
ISO 4401-03-02-0-05 (D03)
Seal Material
NBR
Size
6
Spool Symbol
A
Switching Positions
2
1620 Old Apex Road
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