Ein-Weg-Tankfüllventil benzin Graupner 1666.1 This valve provides a clean means of refueling your model quickly. As in Formula 1 racing, the fuel is able to flow immediately when the refueling nozzle is inserted. When the tank is full, the nozzle is simply withdrawn no fuel line has to be sealed in the usual way. This is possible because the valve is self-locking in both directions, so no fuel can escape at the valve.
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