Bosch Rexroth | 4WS2EM10-5X60B11T315K31CV-114
4WS2EM10-5X/60B11T315K31CV-114
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The 4WS2EM10-5X/60B11T315K31CV-114 servo valve belongs to the 4WS Servo Valves series and is manufactured by Bosch Rexroth. It meters hydraulic oil to actuators in automation loops that demand proportional control of position or force. The valve delivers a rated flow of 60 l/min at a differential pressure of 70 bar to match medium-size cylinders and motors. It tolerates system pressures up to 315 bar so it can be installed on high-pressure manifolds. A mounting pattern of ISO 4401-05-05-0-05 allows direct porting to standard sub-plates, while a mechanical return system centers the spool when the command signal is removed. The pilot oil can be supplied externally and returned internally, providing flexibility in circuit design. Electrical connection uses an EN 175201-804 plug, and the valve housing is sealed with FKM elastomers for compatibility with synthetic fluids. A total weight of 3.56 kg enables straightforward handling during maintenance.
For electronic actuation, the torque motor draws 30 mA at 85 Ω coil resistance, and its inductance is 1.0 H when wired in series or 0.25 H when wired in parallel; these values define the dynamic response that a controller must accommodate. The enclosure meets IP65, enabling installation in wash-down areas when the mating connector is fitted. During operation without an onboard electronics unit, the valve withstands ambient temperatures up to 100 °C, and it can be stored up to 80 °C without performance loss. Fluid entering the ports must meet ISO 4406 cleanliness level 18/16/13 to protect the precision spool and sleeve from wear. The design relies solely on mechanical feedback, eliminating electronic null adjustment. Together, these parameters ensure stable servo performance in demanding hydraulic automation tasks.
Technical Specifications
Ambient Temperature Max
100 °C (no OBE)
Cleanliness Class
ISO 4406 18/16/13
Coil Current
30 mA
Coil Inductance (parallel)
0.25 H
Coil Inductance (series)
1.0 H
Coil Resistance
85 Ω
Connector Standard
EN 175201-804
Max Operating Pressure
315 bar
Mounting Pattern
ISO 4401-05-05-0-05
Pilot Oil Supply/return
External/Internal
Protection Class
IP65
Rated Flow
60 l/min (Δp 70 bar)
Return System
Mechanical
Seal Material
FKM
Storage Temperature Max
80 °C
Weight
3.56 kg
1620 Old Apex Road
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