Bosch Rexroth | 3WH6A5XSO135
3WH6A5X/SO135
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The 3WH6A5X/SO135 valve belongs to the WEH Directional Spool Valves series manufactured by Bosch Rexroth for hydraulic automation tasks that require compact directional control. It is actuated hydraulically and offered as component series 5X, indicating its design stage within the product family. This model uses a 3/2-way directional version with two switching positions so it can alternately connect or block flow between pressure and service ports. Spool symbol A defines the internal flow geometry selected for this function. The valve is built in nominal size 6, and its subplate mounting arrangement follows the ISO 4401-03-02-0-05 porting pattern to fit standard manifolds without additional adapters. NBR seals are fitted to retain mineral oil under pressure, and the assembled unit weighs 1.26 kg which supports easy handling during installation.
Hydraulic performance is characterized by a maximum pressure of 315 bar at ports P, A, and B, while the tank port T is limited to 160 bar to protect return lines. The valve passes up to 60 l/min, allowing medium-flow circuits to be switched without excessive pressure loss. Pilot control is accommodated through a pressure window that starts at 6 bar and rises to a permitted 200 bar, ensuring reliable actuation across common system settings. A pilot volume of 1.23 cm³ must be filled for each shift, which influences response time and pilot line sizing. These pressure and flow limits complement the dimensional and mounting data introduced earlier to define the working envelope for the 3WH6A5X/SO135 within industrial hydraulic systems.
Technical Specifications
Actuation Type
Hydraulic
Component Series
5X
Directional Version
3/2-Way
Max Pressure (p/a/b)
315 bar
Max Pressure (t)
160 bar
Maximum Flow
60 l/min
Maximum Pilot Pressure
200 bar
Minimum Pilot Pressure
6 bar
Mounting Type
Subplate Mounting
Nominal Size
6
Number Of Switching Positions
2
Pilot Volume
1.23 cm³
Porting Pattern
ISO 4401-03-02-0-05
Seals
NBR
Spool Symbol
A
Weight
1.26 kg
1620 Old Apex Road
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