Bosch Rexroth | 4WMM10U3XV
4WMM10U3X/V
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The 4WMM10U3X/V directional valve belongs to the WM Directional Spool Valves series and is manufactured by Bosch Rexroth for hydraulic automation circuits that require manual flow control. It is shifted with a hand lever so an operator can route pressure to actuators without auxiliary power. The internal spool carries the U symbol, establishing predetermined flow paths when the lever is moved. A spring return mechanism recenters the spool after actuation to stop flow or return the circuit to neutral. The body provides four main ports that connect to pressure, tank, and two work lines, and the nominal size 10 interface defines the flow cross-section. Subplate mounting allows the valve to be removed without disturbing pipework, while the ISO 4401-05-04-0-05 pattern, equivalent to an NFPA D05 footprint, matches standard manifolds used in industrial machinery.
The valve sustains operating pressures up to 350 bar and accepts return pressures on port T as high as 210 bar, enabling installation in high-pressure systems. A rated flow of 160 l/min keeps pressure drop low when large cylinders or motors are supplied. It works with HL, HLP, HLPD, HVLP, HVLPD, and HFC fluids, and FKM seals resist the oil types and temperature range involved. System reliability depends on maintaining oil cleanliness at ISO 4406 20/18/15 or better to protect the spool lands from wear. Because the housing can mount in any position, designers can place the valve where space permits, and its 3.6 kg mass simplifies manual handling during service. Combined, these characteristics support durable, responsive control in centralized or distributed hydraulic manifolds.
Technical Specifications
Actuation Type
Hand Lever
Fluid Cleanliness
ISO 4406 20/18/15
Hydraulic Fluids
HL; HLP; HLPD; HVLP; HVLPD; HFC
Installation Position
Any
Main Ports
4
Max Flow
160 l/min
Max Operating Pressure
350 bar
Max Return Pressure (t)
210 bar
Mounting Type
Subplate Mounting
Nfpa Port Pattern
D05
Nominal Size
10
Porting Pattern
ISO 4401-05-04-0-05
Reset Type
Spring Return
Seal Material
FKM
Spool Symbol
U
Weight
3.6 kg
1620 Old Apex Road
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