Bosch Rexroth | 4WEH32J6X6EW110N9ETDALB10D3
4WEH32J6X/6EW110N9ETDAL/B10D3
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The 4WEH32J6X/6EW110N9ETDAL/B10D3 valve is manufactured by Bosch Rexroth for the WEH Directional Spool Valves series and directs hydraulic flow in automated circuits. It uses electro-hydraulic actuation so an electrical pilot signal shifts the main spool without large manual effort. A nominal size of NG32 sets the passage dimensions, allowing a maximum flow of 1100 l/min while keeping pressure losses low. The valve withstands operating pressures up to 280 bar to suit high-pressure machines, and the spool coded J determines the flow paths available in each switching position. A B10 throttle insert with a 1.0 mm orifice meters pilot oil to dampen spool movement for stable transitions. Internal pilot oil supply (ET) feeds the control stage directly from the pressure port, and internal return to T sends pilot oil back to tank through the body, eliminating extra hoses.
The control stage begins to stroke at a minimum pilot pressure of 8.5 bar and accepts up to 250 bar on the pilot line, with a pressure-reduced setting of 45 bar (D3) safeguarding sensitive components. Pilot oil returning internally can face back-pressure to 160 bar, permitting use in circuits with elevated tank lines. A concealed manual override (N9) is fitted for emergency shifting while preventing accidental activation during normal service. The mounting face follows ISO 4401-10-09-0-05 so the valve fits standard NG32 subplates. Fluid cleanliness must meet ISO 4406 20/18/15 to maintain reliable spool movement and minimize wear. The assembly weighs 41.0 kg, a consideration for manifold support and handling during installation.
Technical Specifications
Actuation Type
Electro-Hydraulic
Cleanliness Class
ISO 4406 20/18/15
Manual Override
Concealed (N9)
Max Pilot Pressure
250 bar
Maximum Flow
1100 l/min
Maximum Operating Pressure
280 bar
Min Pilot Pressure
8.5 bar
Nominal Size
NG32
Pilot Oil Return
Internal To T
Pilot Oil Supply
Internal (ET)
Pilot Return Max Pressure (internal, Ac)
160 bar
Porting Pattern
ISO 4401-10-09-0-05
Pressure-reduced Pilot Pressure
45 bar (D3)
Spool Symbol
J
Throttle Insert
B10 (1.0 mm)
Weight
41.0 kg
1620 Old Apex Road
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