The Bosch Rexroth 4WS2E is a two-stage servo valve designed for precise closed-loop control of position, force, pressure, or velocity . The following details confirm that your specified configuration is a standard variant.✅ Confirmed Valve SpecificationsParameter Specification Source(s)Model Series 4WS2E (Two-stage servo valve with mechanical feedback) Nominal Size 10 (NG10) Component Series 5X (Series 50 to 59, dimensions unchanged) Maximum Operating Pressure 315 bar Maximum Flow 180 L/min Pilot Oil Supply/Drain External supply, external drain Porting Pattern ISO 4401 🔧 Understanding the Ordering CodeYour specifications translate directly into the Rexroth ordering code. The structure for your valve is 4WS2EM10-5X/...B...K31EV .4WS2E: Electrically operated 2-stage servo valve for external electronics .10: Nominal size 10 (NG10) .5X: Component series 50 to 59 ....: The nominal flow code. For your requested 20 L/min at 70 bar, the standard code 20 is used .B: Denotes the valve version .E: Stands for external supply, external drain .K31: A code for valve features .EV: Indicates external control electronics .

The Bosch Rexroth 4WS2E servo valve is a two-stage directional valve for closed-loop control applications . It is operated by external electronics (servo amplifier), which is ordered separately .The 20 L/min nominal flow rate is a standard option for the NG10 size when measured at a 70 bar valve pressure differential (35 bar per control edge) . The valve conforms to the ISO 4401 porting pattern .✅ Technical SpecificationsParameter Specification Source(s)Model Series 4WS2E (Two-stage servo valve for external electronics) Nominal Size 10 (NG10) Nominal Flow (at 70 bar Δp) 20 L/min (±10% tolerance) Max. Operating Pressure 315 bar Pilot Oil Supply/Drain T – External supply, internal drain Porting Pattern ISO 4401 🔧 Ordering Code BreakdownYour specifications translate into the following Rexroth ordering code structure, as detailed in the manufacturer's datasheet :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) .20: Nominal flow: 20 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) .Important Note: The nominal flow of 20 L/min applies at the specified 70 bar valve pressure differential. A ±10% tolerance on this flow value is typical for this series .

The search results confirm that the Rexroth 4WS2E is a two-stage directional servo valve designed for external electronics, with the 20 L/min and ET (internal supply, internal drain) pilot oil configuration being a standard option for the NG10 size .Parameter Specification Source(s)Model Series 4WS2E - Two-stage directional servo valve for external electronics Nominal Size 10 (NG10 / CETOP 5) Nominal Flow (at 70 bar Δp) 20 L/min (±10% tolerance) Max. Operating Pressure 315 bar Pilot Oil Supply/Drain ET - Internal supply, internal drain (standard) Porting Pattern ISO 4401-05-05-0-05 Feedback Type Mechanical First Stage Type Nozzle/flapper plate amplifier 🔧 Ordering Code BreakdownYour specifications translate into the following Rexroth ordering code structure, which is detailed in the manufacturer's datasheets for the 4WS.2E series :4WS2E: Electrically operated 2-stage servo valve for external control electronics10: Nominal size 105X: Component series 50 to 59 (installation dimensions unchanged)20: Nominal flow: 20 L/min at 70 bar valve pressure differential (applies a ±10% tolerance)B: Valve version code (e.g., spool overlap)11: Coil number for external electronics (30 mA / 85 Ω per coil)ET: Pilot oil supply: internal supply, internal drain (the standard configuration)315: Inlet pressure range to 1st stage: 10 to 315 barK31: Electrical connection code (without plug-in connector, with component plug)

The Rexroth 4WS2E servo valve is a two-stage, 4-way directional valve designed for closed-loop control applications like position, force, and speed control . Your specified 30 L/min nominal flow rate at a 70 bar valve pressure differential is a standard configuration for the NG10 size .✅ Technical SpecificationsParameter Specification Source(s)Model Series 4WS2E (Two-stage servo valve for external electronics) Nominal Size 10 (NG10) Nominal Flow (at 70 bar Δp) 30 L/min (±10% tolerance) Max. Operating Pressure 315 bar Pilot Oil Supply/Drain ET – Internal supply, internal drain Porting Pattern ISO 4401 Feedback Mechanical First Stage Type Nozzle/flapper plate amplifier 🔧 Ordering Code BreakdownYour specifications translate into the following Rexroth ordering code structure :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) 30: Nominal flow: 30 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) ET: Pilot oil supply: internal 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)

The Bosch Rexroth 4WS2E servo valve you've specified is a two-stage directional valve with mechanical feedback, designed for external control electronics . Your configuration of 30 L/min at a 70 bar valve pressure differential and a T - external supply, internal drain pilot oil setup is a standard variant for the NG10 size .✅ Confirmed Technical SpecificationsParameter Specification Source(s)Model Series 4WS2E - Two-stage servo valve for external electronics Nominal Size 10 (NG10) Nominal Flow (at 70 bar Δp) 30 L/min (±10% tolerance) Max. Operating Pressure 315 bar Pilot Oil Supply/Drain T – External supply, internal drain Feedback Mechanical First Stage Type Nozzle/flapper plate amplifier Porting Pattern ISO 4401 Component Series 5X (Series 50 to 59) 🔧 Ordering Code BreakdownYour specifications translate into the following Rexroth ordering code structure :4WS2E: Electrically operated 2-stage servo valve for external control electronics10: Nominal size 10 (NG10)5X: Component series 50 to 59 (installation dimensions unchanged)30: Nominal flow: 30 L/min at 70 bar valve pressure differentialB: 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 barK31: Electrical connection code (without plug-in connector, with component plug) A complete order code example would be: 4WS2EM10-5X/30B11T315K31EV.

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 SpecificationsThe 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 BreakdownYour 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 electronics10: Nominal size 10 (NG10)5X: Component series 50 to 59 (installation dimensions unchanged)45: Nominal flow: 45 L/min at 70 bar valve pressure differentialB: 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 drain315: Inlet pressure range to 1st stage: 10 to 315 barK31: 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.

Based on the official Bosch Rexroth technical documentation, the 4WS2E servo valve you've specified is a two-stage directional valve designed for closed-loop control of position, force, pressure, or velocity, and it operates with external control electronics.For the requested 45 L/min nominal flow at a 70 bar valve pressure differential (35 bar per control edge) and ET (internal supply, internal drain) pilot oil configuration, this is a standard variant for the NG10 size .The technical specifications and ordering code breakdown are detailed below.✅ Confirmed Valve SpecificationsParameter 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 Pilot Oil Supply/Drain ET – Internal supply, internal drain (standard configuration) Feedback Mechanical First Stage Type Nozzle/flapper plate amplifier Porting Pattern ISO 4401 Component Series 5X (Series 50 to 59) 🔧 Ordering Code BreakdownYour specifications translate into the following Rexroth ordering code structure :4WS2E: Electrically operated 2-stage servo valve for external control electronics10: Nominal size 10 (NG10)5X: Component series 50 to 59 (installation dimensions unchanged)45: Nominal flow: 45 L/min at 70 bar valve pressure differentialB: Valve version code (e.g., spool overlap)11: Coil number for external electronics (30 mA / 85 Ω per coil)ET: Pilot oil supply: internal supply, internal drain (the standard configuration)315: Inlet pressure range to 1st stage: 10 to 315 barK31: Electrical connection code (without plug-in connector, with component plug)Note: The nominal flow of 45 L/min applies at the specified 70 bar valve pressure differential, with a typical tolerance of ±10% . The code "4401-05-0-094" you referenced aligns with the standard ISO 4401 porting pattern for NG

For your Bosch Rexroth 4WS2E servo valve, the 45 L/min flow rate at a 70 bar differential with external supply and internal drain is a standard configuration.The "T" designation for the pilot oil supply is confirmed by the manufacturer's ordering code . The valve is a two-stage type designed for external electronics, and the NG10 version uses the ISO 4401-05 porting pattern .📊 Confirmed Valve SpecificationsParameter Specification SourceModel Series 4WS2E Nominal Size 10 (NG10) Nominal Flow (at 70 bar Δp) 45 L/min (±10% tolerance) Max. Operating Pressure 315 bar Pilot Oil Supply/Drain T – External supply, internal drain 🔧 Ordering Code BreakdownYour specifications translate into the following Rexroth ordering code structure. This is confirmed by examples of this specific valve model :4WS2E: Electrically operated 2-stage servo valve for external control electronics .10: Nominal size 10 (NG10) .5X: Component series 50 to 59 .45: Nominal flow: 45 L/min at 70 bar valve pressure differential .B: Valve version code .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: up to 315 bar .K31: Electrical connection code .A complete order code example for your configuration would be structured as:4WS2EM10-5X/45B11T315K31CV .

For your Bosch Rexroth 4WS2E servo valve, the 60 L/min flow rate at a 70 bar differential with external supply and external drain is a standard configuration. The valve is a two-stage type designed for external electronics, and the NG10 version uses the ISO 4401-05 porting pattern.✅ Confirmed Valve SpecificationsParameter Specification Source(s)Model Series 4WS2E - Directional servo valve for external electronics Nominal Size 10 (NG10) Nominal Flow (at 70 bar Δp) 60 L/min (±10% tolerance) Max. Operating Pressure 315 bar Pilot Oil Supply/Drain – – External supply, external drain 🔧 Ordering Code BreakdownYour specifications translate into the following Rexroth ordering code structure. This is confirmed by examples of this specific valve model :4WS2E: Electrically operated 2-stage servo valve for external control electronics .10: Nominal size 10 (NG10) .5X: Component series 50 to 59 .60: Nominal flow: 60 L/min at 70 bar valve pressure differential .B: Valve version code .11: Coil number for external electronics (30 mA / 85 Ω per coil) .–: Pilot oil supply: external supply, external drain .315: Inlet pressure range to 1st stage: 10 to 315 bar .K31: Electrical connection code .A complete order code example for your configuration would be structured as:4WS2EM10-5X/60B11-315K31EV .

Based on the official Rexroth technical documentation, your specified configuration for the 4WS2E servo valve is a standard variant. The 60 L/min nominal flow at a 70 bar valve pressure differential and ET (internal supply, internal drain) pilot oil setup is confirmed for the NG10 size .✅ Confirmed Valve SpecificationsThe table below summarizes the key parameters confirmed by the manufacturer's documentation .Parameter SpecificationModel Series 4WS2E – 2-stage directional servo valve for external electronics Nominal Size 10 (NG10) Nominal Flow (at 70 bar Δp) 60 L/min (±10% tolerance) Max. Operating Pressure 315 bar Pilot Oil Supply/Drain ET – Internal supply, internal drain (standard) Feedback Mechanical First Stage Type Nozzle/flapper plate amplifier Porting Pattern ISO 4401 Component Series 5X (Series 50 to 59) 🔧 Ordering Code BreakdownBased on the Rexroth ordering code structure, your specifications translate as follows :4WS2E: Electrically operated 2-stage servo valve for external control electronics10: Nominal size 10 (NG10)5X: Component series 50 to 5960: Nominal flow: 60 L/min at 70 bar valve pressure differentialB: Valve version code (e.g., spool overlap)11: Coil number for external electronics (30 mA / 85 Ω per coil)ET: Pilot oil supply: internal supply, internal drain315: Inlet pressure range to 1st stage: 10 to 315 barK31: Electrical connection codeA complete order code example for your configuration would be structured as:4WS2EM10-5X/60B11ET315K31EV .