Bosch Rexroth | 4WS2EM10-5X90B11T315K31CV-114
4WS2EM10-5X/90B11T315K31CV-114
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The 4WS2EM10-5X/90B11T315K31CV-114 valve is manufactured by Bosch Rexroth for the 4WS Servo Valves series. It modulates hydraulic flow for automation circuits and is dimensioned as size 10 to fit manifolds with the ISO 4401-05-05-0-05 mounting pattern. The valve passes 90 l/min at a pressure drop of 70 bar, while its main stage tolerates operating pressures up to 315 bar. The pilot stage is also rated for 315 bar, with external pilot oil supply and internal pilot oil return to simplify plumbing in closed control loops. These flow and pressure limits allow precise positioning tasks in medium-capacity hydraulic axes.
Electrical actuation is handled by coils with 85 Ω resistance, 0.25 H inductance when wired in parallel, and 1.0 H inductance when wired in series; the rated coil current is 30 mA for accurate spool positioning. A connector to EN 175201-804 code K31 provides the interface to system wiring and secures an IP65 protection class against dust and low-pressure jets. The mechanical return system recenters the spool without external electronics, and the valve maintains fluid quality requirements set by ISO 4406 18/16/13 cleanliness class. At 3.56 kg it is light enough for manifold mounting without additional support.
Technical Specifications
Cleanliness Class
ISO 4406 18/16/13
Coil Inductance (parallel)
0.25 H
Coil Inductance (series)
1.0 H
Coil Resistance
85 Ω
Electrical Connector
EN 175201-804 (K31)
Max Operating Pressure
315 bar
Mounting Pattern
ISO 4401-05-05-0-05
Pilot Oil Return
Internal
Pilot Oil Supply
External
Pilot Stage Max Pressure
315 bar
Protection Class
IP65
Rated Coil Current
30 mA
Rated Flow (70 Bar Δp)
90 l/min
Return System
Mechanical
Size
10
Weight
3.56 kg
1620 Old Apex Road
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