Bosch Rexroth | M-3SEW6C3X420MG25N9Z2B08V-SO214
M-3SEW6C3X/420MG25N9Z2/B08V SO214
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The M-3SEW6C3X/420MG25N9Z2/B08V SO214 directional seat valve belongs to the M-SEW Poppet Valves series and is produced by Bosch Rexroth. It is intended to switch hydraulic flow paths in automation manifolds. The 3/2 directional seat valve with symbol C provides closed port sealing when de-energized, enabling leak-tight control. A nominal size of 6 supports compact block layouts while still permitting a maximum flow of 25 l/min for moderate actuator speeds. The valve tolerates operating pressures up to 420 bar, so it can be placed in high-pressure supply lines. Its porting pattern follows ISO 4401-03-02-0-05, permitting direct mounting on standardized subplates. An air-gap DC solenoid with a detachable coil drives the poppet and draws 30 W, making electrical integration straightforward. FKM seals are fitted to resist common mineral oils and select synthetic fluids.
The enclosure carries an IP65 protection class, so the electromagnetic and wet sections remain protected against dust and water jets during machine operation. Coil surface temperature may reach 120 °C without loss of function, provided that ambient temperature stays within the 50 °C limit stated for the valve body. The design permits fluid temperatures up to 80 °C, allowing use with warmed return oil in closed loops. Tank lines connected to the valve can be pressurized up to 100 bar, which expands mounting options in back-pressure circuits. A concealed manual override labeled N9 lets technicians shift the valve during commissioning without removing the coil. The assembly follows oil cleanliness class 20/18/15 per ISO 4406, so filtration must be selected accordingly. Total installed weight is 1.5 kg, keeping manifold load low and simplifying service handling.
Technical Specifications
Ambient Temperature Max
50 °C
Cleanliness Class
20/18/15 (ISO 4406)
Coil Surface Temperature Max
120 °C
Fluid Temperature Max
80 °C
Manual Override
Concealed (N9)
Maximum Flow
25 l/min
Nominal Size
6
Operating Pressure Max
420 bar
Porting Pattern
ISO 4401-03-02-0-05
Power Consumption
30 W
Protection Class
IP65
Seal Material
FKM
Solenoid Type
Air-Gap DC (Detachable Coil)
Tank Port Max Pressure
100 bar
Valve Function
3/2 Directional Seat Valve (Symbol C)
Weight
1.5 kg
1620 Old Apex Road
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