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The M-4SED6D1X/350CG96N9K4/P valve is produced by Bosch Rexroth within the M-SED Poppet Valves series for hydraulic automation circuits where positive shutoff and rapid changeover are needed. It performs a 4/2 directional poppet function so fluid paths can be switched between two positions under load. A wet-pin detachable coil actuates the poppet and is rated for 96 V DC with a ±10 percent voltage band, allowing direct connection to stabilized or slightly varying supplies. The coil draws 30 W and can remain energized continuously because the duty cycle is 100 percent. Temperature at the winding may rise to 150 °C without damage, maintaining reliability during demanding service. The assembly withstands 350 bar system pressure, and an IP65 housing, achieved when the mating connector is fitted, protects the electrical parts from dust and water. Connection is made through a DIN EN 175301-803 plug, streamlining wiring in common manifold blocks.
For fast cycling machinery, the valve handles 15,000 switching operations per hour, minimizing response delay in presses, test rigs, or rapid indexing tables. A check valve insert is included to block backflow when the poppet closes, and a concealed manual override permits mechanical actuation during setup or fault recovery without exposing internal parts; the hidden design keeps the housing smooth and prevents accidental operation. Orientation during installation is optional, simplifying mounting on horizontal or vertical manifolds and giving designers flexibility when space for pilot or drain lines is restricted. The design accepts mineral oils HL and HLP as well as biodegradable HETG, HEPG, and HEES fluids, so one item can serve conventional or environmental requirements. Filtration must hold the oil to ISO 4406 code 20/18/15, preserving seat integrity and preventing leakage over long service life.
Check Valve Insert
Included (P)
Cleanliness Class
ISO 4406 20/18/15
Coil Voltage
96 V DC
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803 Plug (K4)
Hydraulic Fluids
HL, HLP; HETG; HEPG; HEES
Ingress Protection
IP65 (with mating connector)
Installation Orientation
Optional
Manual Override
Concealed (N9)
Max Coil Temperature
150 °C
Max Switching Frequency
15000 1/h
Operating Pressure
350 bar
Power Consumption
30 W
Solenoid Type
Wet-Pin, Detachable Coil
Valve Function
4/2 Directional Poppet (Variant D)
Voltage Tolerance
±10%
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