Bosch Rexroth | 4WS2EM10-5X45B11T315K8DV
4WS2EM10-5X/45B11T315K8DV
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The 4WS2EM10-5X/45B11T315K8DV servo valve belongs to the 4WS Servo Valves series and is manufactured by Bosch Rexroth for closed-loop hydraulic automation systems. It meters oil at a rated flow of 45 l/min so that cylinder or motor speed follows electrical command signals. The pressure chambers on ports P, A, and B tolerate up to 315 bar, allowing the valve to operate in high-pressure circuits. Pilot stages can be supplied with the same 315 bar limit, and the pilot oil is returned internally, which reduces external pipework. A mounting pattern of ISO 4401-05-05-0-05 aligns the body with standard subplates. Maximum response sensitivity is 0.2 %, hysteresis does not exceed 1.5 %, and the range of inversion is limited to 0.3 %, figures that support precise spool positioning during dynamic control.
The electromagnetic stage draws a coil rated current of 30 mA, encounters a resistance of 85 Ω, and presents an inductance of 1.0 H when the windings are connected in series; these values define the drive requirements for the servo amplifier. An IP65 protection class guards the enclosure against dust and water jets, permitting installation on machinery without additional covers. Fluid cleanliness must be maintained at 18/16/13 or better to protect the precision edges inside the metering slots. The return port T may see static pressure up to 10 bar without affecting stability. FKM seals are fitted to withstand common hydraulic oils at elevated temperatures. Total unit mass is 3.56 kg, supporting direct manifold mounting without reinforcement.
Technical Specifications
Cleanliness Class (iso 4406)
18/16/13
Coil Rated Current
30 mA
Coil Resistance
85 Ω
Hysteresis (max)
1.5 %
Inductance (series Connection)
1.0 H
Mounting Pattern
ISO 4401-05-05-0-05
Operating Pressure (p, A, B)
315 bar
Pilot Oil Return
Internal
Pilot Pressure (max)
315 bar
Protection Class
IP65
Range Of Inversion (max)
0.3 %
Rated Flow
45 l/min
Response Sensitivity (max)
0.2 %
Return Port T Static Pressure (max)
10 bar
Seal Material
FKM
Weight
3.56 kg
1620 Old Apex Road
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