Servo Valve For External Electronics (Rexroth - BOSCH). - 45 L/min , Valve Pressure Differential = 70 bar. - External Supply , External Drain. - Two Stage , Type 4WS2E. - Nominal Size 10. - Connection Location to ISO 4401. - Code : 4401-05-0-094.

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Servo Valve For External Electronics (Rexroth - BOSCH). - 45 L/min , Valve Pressure Differential = 70 bar. - External Supply , External Drain. - Two Stage , Type 4WS2E. - Nominal Size 10. - Connection Location to ISO 4401. - Code : 4401-05-0-094.
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4WS2EM_10-5X-45B11-_
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Modified on: August 22,2026  
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Specifications
Supplier part number: 4WS2EM_10-5X-45B11-_
Name:Servo Valve For External Electronics (Rexroth - BOSCH). - 45 L/min , Valve Pressure Differential = 70 bar. - External Supply , External Drain. - Two Stage , Type 4WS2E. - Nominal Size 10. - Connection Location to ISO 4401. - Code : 4401-05-0-094.
Description:The Bosch Rexroth 4WS2E is a two-stage directional servo valve designed for closed-loop position, force, pressure, or speed control, and it is operated with external control electronics. A nominal flow rate of 45 L/min at a 70 bar valve pressure differential is a standard configuration for the NG10 size of this valve series. ✅ Confirmed Technical Specifications The technical data from the Rexroth documentation confirms the following specifications for your valve: Parameter Specification Source(s) Model Series 4WS2E - Electrically operated 2-stage servo valve for external electronics Nominal Size 10 (NG10) Nominal Flow (at 70 bar Δp) 45 L/min (±10% tolerance) Max. Operating Pressure 315 bar Feedback Mechanical First Stage Type Nozzle/flapper plate amplifier Porting Pattern ISO 4401 Component Series 5X (Series 50 to 59) 🔧 Ordering Code Breakdown Your specifications for a valve for external control electronics translate into the following Rexroth ordering code structure, confirmed by multiple technical sources: 4WS2E: Electrically operated 2-stage servo valve for external control electronics 10: Nominal size 10 (NG10) 5X: Component series 50 to 59 (installation dimensions unchanged) 45: Nominal flow: 45 L/min at 70 bar valve pressure differential B: Valve version code (e.g., spool overlap) 11: Coil number for external electronics (30 mA / 85 Ω per coil) T: Pilot oil supply: external supply, internal drain 315: Inlet pressure range to 1st stage: 10 to 315 bar K31: Electrical connection code (without plug-in connector, with component plug) A complete order code example for your configuration would be structured as: 4WS2EM10-5X/45B11T315K31EV.
    
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