Servo Valve For External Electronics (Rexroth - BOSCH). - 20 L/min , Valve Pressure Differential = 70 bar. - Two Stage , Type 4WS2E. - Nominal Size 6. - Connection Location to ISO 4401. - Code : 4401-03-02-094.

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Servo Valve For External Electronics (Rexroth - BOSCH). - 20 L/min , Valve Pressure Differential = 70 bar. - Two Stage , Type 4WS2E. - Nominal Size 6. - Connection Location to ISO 4401. - Code : 4401-03-02-094.
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4WS2EM_6-2X-20B11ET_
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Modified on: August 22,2026  
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Specifications
Supplier part number: 4WS2EM_6-2X-20B11ET_
Name:Servo Valve For External Electronics (Rexroth - BOSCH). - 20 L/min , Valve Pressure Differential = 70 bar. - Two Stage , Type 4WS2E. - Nominal Size 6. - Connection Location to ISO 4401. - Code : 4401-03-02-094.
Description:The Bosch Rexroth 4WS2E valve you specified is a two-stage servo valve designed for external electronics, with a 20 L/min nominal flow at a 70 bar valve pressure differential (35 bar per control edge). This is a standard configuration for the NG6 size. ✅ Confirmed Technical Specifications Parameter Specification Model Series 4WS2E – 2-stage servo valve for external electronics Nominal Size 6 (NG6 / CETOP 3) Maximum Operating Pressure 315 bar Nominal Flow (at 70 bar Δp) 20 L/min (±10% tolerance) Porting Pattern ISO 4401-03-02-0-05 1st Stage Type Nozzle/flapper plate amplifier Feedback Mechanical (via bending spring) 🔧 Ordering Code Structure Your specifications translate into the Rexroth ordering code as follows: 4WS2E: Electrically operated 2-stage servo valve for external electronics 6: Nominal size 6 2X: Component series 20 to 29 (dimensions unchanged) 20: Nominal flow of 20 L/min at 70 bar 11: Coil number (30mA / 85Ω per coil) for external electronics ET: Internal pilot oil supply, external drain (standard) 315: Inlet pressure range for 1st stage (10 to 315 bar) K17: Without plug-in connector, with component plug (separate order) A complete order code example would be: 4WS2EM6-2X/20B11ET315K17EV.
    
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