Festo vacuum generators
Festo vacuum generators have a single-stage design and operate according to the Venturi principle, i.e. they use compressed air to generate a vacuum. With the Venturi principle, compressed air is introduced into the ejector and accelerated to supersonic speed in the so-called Venturi gland, a constricted cross-section of the jet nozzle. As soon as the air has passed the jet nozzle, a vacuum is created and the air is sucked in through the intake opening. The compressed air and intake air can escape from the vacuum generator through the female nozzle as exhaust air.
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