Bosch Rexroth | 4WEH10J4X6EG96N9EK4B10
4WEH10J4X/6EG96N9EK4/B10
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The 4WEH10J4X/6EG96N9EK4/B10 directional valve belongs to the WEH Directional Spool Valves series from Bosch Rexroth and is used to route hydraulic flow in automated machinery. It fits size 10 cavities, so it can be installed on standard NG10 manifolds without adapters. A spool symbol J defines its internal flow channels, while the 3-position spring-centered design returns the spool to neutral when the solenoids are de-energized. Mounting follows the ISO 4401-05-05-0-05 pattern, assuring interchangeability with other sub-plate valves. The unit handles up to 160 l/min when a spool J is used, matching medium-flow power units. Ports P, A, and B are rated for 280 bar, allowing use in high-pressure circuits. A Ø 1.0 mm throttle insert marked B10 is fitted to restrict surge flow at the pilot stage, and the complete assembly weighs 6.8 kg for straightforward panel or manifold mounting.
Pilot oil is taken internally from the pressure port, identified by the supply code E, and is returned externally through port Y to prevent tank line back-pressure from influencing control accuracy. Actuation requires a minimum pilot pressure of 12 bar and must not exceed 250 bar, while the Y return line withstands up to 210 bar if internally drained. Electrical energizing is achieved through a DIN EN 175301-803 plug coded K4, giving quick connection to cabinet wiring. A concealed manual override, labeled N9, permits local shifting when power is unavailable. Fluid entering the valve must meet ISO 4406 20/18/15 cleanliness to protect the precision spool fit and maintain switching reliability.
Technical Specifications
Cleanliness Class
ISO 4406 (c) 20/18/15
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Flow (ng10, Spool J)
160 l/min
Max Operating Pressure (p, A, B)
280 bar
Max Pilot Pressure
250 bar
Max Pressure Y (internal, Dc)
210 bar
Min Pilot Pressure
12 bar
Pilot Oil Return
External (Y)
Pilot Oil Supply
Internal (E)
Porting Pattern
ISO 4401-05-05-0-05
Positions
3-Position (Spring-Centered)
Size (ng)
10
Spool Symbol
J
Throttle Insert
Ø 1.0 mm (B10)
Weight
6.8 kg
1620 Old Apex Road
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