Bosch Rexroth | 4WSE2ED10-5X30B9ET315K31EV
4WSE2ED10-5X/30B9ET315K31EV
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The 4WSE2ED10-5X/30B9ET315K31EV servo valve belongs to the 4WS Servo Valves series from Bosch Rexroth and meters flow and pressure in closed-loop hydraulic automation. The unit is built in size 10, providing a compact envelope for medium-capacity manifolds. A porting pattern of ISO 4401-05-05-0-05 aligns its P, T, A, and B ports with standard subplates, reducing installation time. The valve tolerates a maximum operating pressure of 315 bar on the work ports so it can drive cylinders or motors that require high force. At a differential of 70 bar it delivers a rated flow of 30 l/min, setting achievable actuator speeds in motion axes. Electronic control is supplied by ±15 V within a ±3 % margin, and the command value input accepts a ±10 V signal that directly positions the spool. The driver circuitry must limit current to 150 mA, preventing coil overheating, while an IP65 protection class keeps the enclosure sealed against dust and water.
For feedback, the actual value output transmits a ±10 V signal so the motion controller can verify spool displacement and correct errors in real time. Electrical connection is made through an EN 175201-804 (K31) plug, allowing quick interchange with other Bosch Rexroth servo valves in the same series. The hydraulic circuit must keep fluid cleanliness at ISO 4406 18/16/13 or better to maintain null accuracy and extend service life. Pilot oil is supplied and returned internally, designated ET, which removes the need for external pilot lines. Stable control requires a pilot pressure of at least 10 bar, and the design withstands pilot pressures up to 315 bar so the valve can operate on the same supply as the main stage. FKM seals are fitted to resist mineral oil and elevated temperatures common in industrial power units. A weight of 3.65 kg permits manual mounting without lifting equipment.
Technical Specifications
Actual Value Output
±10 V
Command Value Input
±10 V
Electrical Connector
EN 175201-804 (K31)
Fluid Cleanliness Class
ISO 4406 18/16/13
Max Operating Pressure (p, A, B)
315 bar
Max Supply Current
150 mA
Pilot Oil Supply/return
Internal (ET)
Pilot Pressure Max
315 bar
Pilot Pressure Min
10 bar
Porting Pattern
ISO 4401-05-05-0-05
Protection Class
IP65
Rated Flow
30 l/min (Δp=70 bar)
Seal Material
FKM
Size
10
Supply Voltage
±15 V ±3%
Weight
3.65 kg
1620 Old Apex Road
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