Bosch Rexroth | 4WEH10E4X6EG110N9ETK4B10
4WEH10E4X/6EG110N9ETK4/B10
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The 4WEH10E4X/6EG110N9ETK4/B10 directional spool valve is manufactured by Bosch Rexroth and belongs to the WEH Directional Spool Valves series. This electro-hydraulic directional spool valve directs flow in hydraulic automation circuits and incorporates a 4-way configuration suited to actuator control. It is produced in size NG10 for use with the ISO 4401-05-05-0-05 mounting pattern. The unit carries spool symbol E and offers three spool positions, with a spring-centered return that automatically recenters the spool when pilot pressure is removed. A concealed manual override allows local actuation during setup or fault conditions, and the pilot stage needs at least 12 bar to shift the spring-centered spool.
Pilot oil is supplied internally from port P and returned internally to port T, eliminating external pilot lines. A 1.0 mm throttle orifice specified by the B10 option moderates pilot flow. Pilot pressure may reach 250 bar, while ports P, A, and B tolerate continuous operating pressures up to 280 bar. Electrical connection is made through a DIN EN 175301-803 interface that matches common industrial wiring. NBR seals contain hydraulic fluid and resist mineral oil under the stated pressures and temperatures. These characteristics provide a compact, self-contained control element that integrates readily into automated hydraulic systems.
Technical Specifications
Electrical Connection
DIN EN 175301-803
Manual Override
Concealed
Max Operating Pressure (p,a,b)
280 bar
Max Pilot Pressure
250 bar
Min Pilot Pressure (spring-centered)
12 bar
Pilot Oil Return
Internal (to T)
Pilot Oil Supply
Internal (from P)
Pilot Throttle Orifice
1.0 mm (B10)
Porting Pattern
ISO 4401-05-05-0-05
Seal Material
NBR
Size
NG10
Spool Positions
3 Positions
Spool Return (main Valve)
Spring-Centered
Spool Symbol
E
Valve Type
Electro-Hydraulic Directional Spool Valve
Way Configuration
4-Way
1620 Old Apex Road
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