Bosch Rexroth | M-3SED6UK1X350CG24N9K72LB18
M-3SED6UK1X/350CG24N9K72L/B18
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The M-3SED6UK1X/350CG24N9K72L/B18 valve belongs to the M-SED Poppet Valves series manufactured by Bosch Rexroth for hydraulic automation circuits. It provides a 3/2-way normally open function, so flow is permitted until the solenoid is energized to shift the poppet. A wet-pin solenoid with a detachable coil simplifies maintenance and keeps the armature lubricated by system fluid. The coil operates on a nominal 24 V DC supply and remains stable with a ±10 % voltage tolerance, while drawing 30 W during engagement to limit power demand. Continuous service is possible because the duty cycle is rated at 100 %. A concealed manual override allows local actuation when electrical control is unavailable, and the housing is sealed to IP65 to block dust ingress and water jets.
For dynamic applications the unit withstands system pressures up to 350 bar and can switch up to 15 000 cycles per hour, supporting high-frequency directional control. The throttle insert orifice of 1.8 mm meters flow to match circuit requirements and reduce pressure shocks. Maximum coil temperature is limited to 150 °C, defining ambient and cooling constraints for the surrounding installation. NBR sealing elements resist common hydraulic oils and maintain enclosure integrity, while hydraulic fluid cleanliness must be kept to ISO 4406 class 20/18/15 to prevent poppet wear and sticking. These characteristics combine to deliver reliable performance in continuous, high-duty hydraulic systems.
Technical Specifications
Cleanliness Class (iso 4406)
20/18/15
Duty Cycle
100 %
Manual Override
Concealed
Max Coil Temperature
150 °C
Maximum Operating Pressure
350 bar
Maximum Switching Frequency
15000 1/h
Nominal Voltage
24 V DC
Power Consumption
30 W
Seal Material
NBR
Solenoid Type
Wet-Pin (Detachable Coil)
Throttle Insert Orifice
1.8 mm
Type Of Protection
IP 65
Valve Function
3/2-Way (Normally Open)
Voltage Tolerance
±10 %
1620 Old Apex Road
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