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Servo-drive for two Festo ball-valves — image 1
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Servo-drive for two Festo ball-valves

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Servo-drive for two 4mm or 6mm Festo ball valves with high-voltage servo

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In jet models Festo ball-valves are often used to cut-off the fuel pipe to the turbine after landing or during the refuel prozess to prevent the turbine from flooding with kerosene. Some ppl prefer to cut-off the refuel pipe with a ball-valve instead of using a self closing filling valve. With this servo drive two ball-valves are operated in opposite directions so that either the turbine valve is open or the refuel valve is open.

The model is designed for X-612 servos from f3x.de (and identical in construction from other brands)  and the Festo 4mm and 6mm ball-valves.

All screws are M2

Material is PETG, 0.20 mm layer hight, 20% infill