Bosch Rexroth | 4WS2EM10-5X60B11ET315K8DV
4WS2EM10-5X/60B11ET315K8DV
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The 4WS2EM10-5X/60B11ET315K8DV servo valve is produced by Bosch Rexroth for the 4WS Servo Valves series. It meters hydraulic flow to position actuators with repeatable precision in closed-loop automation systems. A maximum operating pressure of 315 bar allows the unit to survive high-load circuits, while a rated flow of 60 l/min at 70 bar differential ensures defined speed control under normal duty. The electromagnetic section draws only 30 mA, and a coil resistance of 85 Ω limits power dissipation. Electrical dynamics are set by 0.25 H parallel inductance and 1.0 H series inductance, helping the drive electronics achieve stable current ramps. An internal pilot supply and return arrangement removes the need for external pilot hoses, and the mechanical return system recenters the spool when the command signal is lost.
The valve handles peak transients with a maximum flow capacity of 180 l/min, preventing actuator starvation during rapid strokes. It must operate with HLP hydraulic oil according to DIN 51524, and fluid cleanliness must reach ISO 4406 class 18/16/13; the specified R961001950 filter element is intended to maintain this level and prolong internal component life. An IP65 ingress protection rating guards the electrical interface against dust and water jets, allowing installation outside sealed cabinets while resisting routine fluid splash on the machine floor. Installation follows the ISO 4401-05-05-0-05 interface and a subplate mounting style, allowing direct exchange with other size-05 components without manifold rework. The assembly weighs 3.56 kg, which permits manual handling during maintenance without special lifting devices.
Technical Specifications
Cleanliness Class
ISO 4406 18/16/13
Coil Rated Current
30 mA
Coil Resistance
85 Ω
Filter Element P/n
R961001950
Hydraulic Fluid
HLP (DIN 51524)
Inductance (parallel)
0.25 H
Inductance (series)
1.0 H
Ingress Protection
IP65
Max Flow
180 l/min
Max Operating Pressure
315 bar
Mounting Interface
ISO 4401-05-05-0-05
Mounting Type
Subplate Mounting
Pilot Supply/return
Internal (ET)
Rated Flow (Δp=70 Bar)
60 l/min
Return System
Mechanical
Weight (mechanical Return)
3.56 kg
1620 Old Apex Road
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