Bosch Rexroth | 4WS2EM10-5X5B11VH1T315K31DV-104
4WS2EM10-5X/5B11VH1T315K31DV-104
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The 4WS2EM10-5X/5B11VH1T315K31DV-104 servo valve is produced by Bosch Rexroth for the 4WS Servo Valves series and provides proportional flow control in hydraulic automation loops. It is built to nominal size 10, establishing the cavity dimensions and overall flow range for standard manifolds. A 4-way spool routes pressure and return paths to two actuator ports, while its two-stage construction amplifies pilot commands for precise main-stage movement. The valve delivers 5 l/min at a 70 bar differential to regulate actuator velocity in compact systems. It withstands operating pressures up to 315 bar, and the pilot stage can accept the same 315 bar feed so no separate regulator is required. External or internal pilot supply and return selection lets circuit designers match their preferred plumbing layout. An EN 175201-804 connector provides standardized electrical interfacing, and each coil is driven at 30 mA with a resistance of 85 Ω to suit low-power servo amplifiers.
The mounting face follows ISO 4401-05-05-0-05, allowing direct installation on widely used subplates. Hydraulic fluid cleanliness must meet ISO 4406 18/16/13 to preserve tight spool clearances. An IP65 housing protects the coils and connector against dust and water spray encountered on production machinery. The mechanical return system centers the spool when power is removed, offering a predictable neutral position. FKM seals resist common industrial fluids and elevated temperatures, maintaining leakage control over long service intervals. The unit weighs 3.56 kg, making it light enough for single-person handling yet rigid in operation. Together, these specifications support consistent metering accuracy and dependable service in closed-loop motion control applications.
Technical Specifications
Cleanliness Class
ISO 4406 18/16/13
Electrical Connection
EN 175201-804
Max Operating Pressure
315 bar
Max Pilot Pressure
315 bar
Nominal Size
10
Pilot Supply/return
External/Internal
Porting Pattern
ISO 4401-05-05-0-05
Protection Class
IP65
Rated Current Per Coil
30 mA
Rated Flow (Δp=70 Bar)
5 l/min
Resistance Per Coil
85 Ω
Return System
Mechanical
Seal Material
FKM
Stages
2
Way Configuration
4-way
Weight
3.56 kg
1620 Old Apex Road
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