Switching Directional Valve (Rexroth - BOSCH). - Directional Spool Valve. - Directional Valve With Roller Operated. - Type WMD. - Nominal Size NS10. - A & B & C &............. W-Spool. - Qmax = ca. 120 L/min. - Pmax = 315 bar. - Porting Pattern To DIN 243

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Switching Directional Valve (Rexroth - BOSCH). - Directional Spool Valve. - Directional Valve With Roller Operated. - Type WMD. - Nominal Size NS10. - A & B & C &............. W-Spool. - Qmax = ca. 120 L/min. - Pmax = 315 bar. - Porting Pattern To DIN 243
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3WMD_10_A3X-F
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Modified on: August 17,2026  
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Specifications
Supplier part number: 3WMD_10_A3X-F
Name:Switching Directional Valve (Rexroth - BOSCH). - Directional Spool Valve. - Directional Valve With Roller Operated. - Type WMD. - Nominal Size NS10. - A & B & C &............. W-Spool. - Qmax = ca. 120 L/min. - Pmax = 315 bar. - Porting Pattern To DIN 243
Description:❗ Important Correction: Type Mismatch The query contains an apparent contradiction: it specifies both a roller-operated valve and the Type WMD designation. According to the Bosch Rexroth documentation, Type WMD refers to valves with a rotary knob actuation, not a roller plunger . The correct type code for a roller-operated valve of this family is WMR. For a Type WMR valve in Nominal Size 10 (NG10), the technical specifications you listed are confirmed by the manufacturer's data sheet (RE 22290-B/09.10) . The key details are summarized below. ⚙️ Technical Specifications (Type WMR, NG10) Parameter Specification Valve Type Directional spool valve, direct operated Actuation Roller plunger Nominal Size (NG) 10 Maximum Operating Pressure 315 bar (Ports P, A, B) Maximum Flow (Qmax) 120 L/min Porting Pattern DIN 24340 Form A / ISO 4401 / CETOP-RP 121H Component Series 3X (Series 30-39) 🔧 Understanding Spool Symbols and Features Spool Symbols: As indicated in your query, this valve series is available with a wide variety of spool symbols (A, B, C, etc.) that define the specific hydraulic circuit function (e.g., 3/2, 4/2, or 4/3-way). The symbol is specified in the ordering code . Detent: Roller plunger operated valves are generally supplied without a detent mechanism, meaning the spool returns to its starting position when the actuating force is released . Throttle Insert: The use of a throttle insert in channel P may be required if flows during switching processes could exceed the valve's performance limit .
    
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