Modified on:
August 17,2026
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3WMM_10_A3X-F
Name: Switching Directional Valve (Rexroth - BOSCH). - Directional Spool Valve. - Directional Valve With Hand Lever. - Type WMM. - Nominal Size NS10. - A & B & C &............. W-Spool. - Qmax = ca. 120 L/min. - Pmax = 315 bar. - Porting Pattern To DIN 24340 Fo Description: The Bosch Rexroth Type WMM valve in size NG10 is a direct-operated directional spool valve, manually actuated by a hand lever, designed to control the start, stop, and direction of hydraulic fluid flow .
⚙️ Technical Specifications
Your requirements match the established technical data for the WMM10 series.
Parameter Specification Source(s)
Valve Type WMM - Manual directional spool valve
Nominal Size (NS) 10 (NG10 / CETOP 5)
Maximum Operating Pressure 315 bar (Ports P, A, B); 210 bar (Port T)
Maximum Flow (Qmax) 120 L/min
Actuation Hand lever
Porting Pattern DIN 24340 Form A, ISO 4401-05-04-0-05, CETOP-RP 121H
🔧 Understanding Spool Types and Ordering
The valve is available in a wide variety of spool symbols (A, B, C, J, etc.) to provide different flow path configurations. The letter in the model number, such as 4WMM10D5X, denotes the specific spool type .
Detent Mechanism: A key variant features a detent, indicated by /F in the model number (e.g., 4WMM10D5X/F). This locks the spool in each position for stable, hands-free operation .
Throttle Insert: For applications where flows during switching exceed performance limits, a throttle insert can be specified to protect the valve .
Ordering Code Structure: A typical ordering code follows the structure: 4WMM 10 [Spool Symbol] 5X/... .
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120lmin
315bar
bosch
boschrexroth
cetop
din24340
directionalvalve
fluidpower
handlever
hydrauliccomponents
hydraulics
hydraulicsystems
industrialautomation
industrialhydraulics
iso4401
manualcontrol
manualvalve
mechanicalactuation
motioncontrol
ng10
rexroth
spoolvalve
valvetechnology
wmm
wmm10