Rexroth R900052621 M-3SED6 | R901020852 M-3SED10 Solenoid Valve | 350 Bar Leak-Free Seat Valve
| Model Number | M-3SED 6 UK1X/350CG24N9K4, M-3SEW6U36/420MG24N9K4, M-3SED10CK1X/350CG205N9K4 |
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Product Description
Rexroth M-3SED Series Leak-Free Directional Solenoid Seat Valves
Product Overview: The Rexroth M-3SED series consists of high-performance, direct-operated directional seat valves designed for hydraulic systems with extreme sealing requirements. Unlike conventional spool valves, this series features a seat-sealing architecture, ensuring absolute zero leakage in the closed position. This makes it the premier choice for pressure-holding circuits, accumulator systems, and safety switching units. The range covers Nominal Size 6 (NG6) and Size 10 (NG10), capable of withstanding continuous pressures up to 350 bar.
Featured original Material Numbers and Models:
R900052621: Model M-3SED6UK1X/350CG24N9K4
R901020852: Model M-3SED10CK14/350CG24N9XNZ4/V (with FKM seals)
Key Technical Advantages:
Absolute Zero Internal Leakage: The seat-type design eliminates internal bypass leakage typical of spool valves, ensuring zero actuator drift during pressure-holding cycles.
High-Pressure Capability: Engineered for 350 bar (5075 PSI) systems, delivering precise switching performance under extreme loads.
Special Media & High-Temp Resistance: The R901020852 features /V (Viton/FKM) seals, making it suitable for phosphate ester fluids and high-temperature environments.
Wet-Pin DC Solenoid: Equipped with G24 (DC 24V) wet-pin solenoids, offering quiet operation, superior heat dissipation, and an extra-long service life.
Detailed Specifications & Parameters:
Featured Model Matrix:
M-3SED6UK1X/350CG24N9K4: Size 6, U-spool (3-way), max pressure 350 bar, DC 24V supply.
M-3SED10CK14/350CG24N9XNZ4/V: Size 10, C-spool (3-way), integrated /V Viton seals for specialized sealing requirements.
Core Technical Specs:
Mounting Pattern: ISO 4401-03 (NG6) / ISO 4401-05 (NG10).
Max Pressure Rating: 350 bar.
Flow Capacity: Up to 25 L/min (NG6) / 40 L/min (NG10).
Voltage Rating: G24 (DC 24V).
Electrical Connection: DIN 43650 standard connectors (N9K4/N9XNZ4).




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