The M-SED 10 is a solenoid-operated seat directional valve, compliant with DIN 24 340, ISO 4401, and CETOP-RP 121 H. It ensures a perfect seal without leaks and safe switching, even after prolonged periods under pressure. It uses oil-immersed DC solenoids with removable coils adjustable every 90°. Coil replacement is simplified, without the need to open the pressure chamber. It offers individual electrical connection, emergency manual operation, and an inductive position sensor as options.