Mixing Water and Chemicals:
1. incoming water stream is restricted by a nozzle.
2. while the speed of the outgoing water is decreased by the inverted funnel shape at the bottom of the venturi.
3. results in a vacuum in the middle, where the chemical is sucked into the water stream.
4. chemical flow regulated by interchangeable metering tips.
5. water and chemical are thoroughly mixed as they leave the outlet.

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