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A converging nozzle producing suction from air flow.
Also known as: Venturi vacuum symbol, Ejector symbol, Vacuum ejector symbol
In ISO 1219 fluid power diagrams a vacuum generator is drawn as a converging and diverging nozzle, producing suction from a compressed air supply with no moving parts.
Denotes a device producing vacuum from a compressed air supply by accelerating flow through a nozzle.
Contexts: Technical drawing
Has no moving parts, which is why vacuum handling is commonly done from an existing air supply rather than with a vacuum pump.
Contexts: Technical drawing
A narrowing then widening passage drawn in the line, with a side branch where suction is developed.