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Thursday, November 5th 2015, 8:18pm

Author: edwinhumphries

Venturi Injectors

Does anyone know anything abut venturi injectors? I've been working on a project for some time, which involves using a venturi injector to dose a small amount of chemical into a flow of water. During the pilot stage, everything was linear, and worked fine, but I had to fit into into a smaller space, so folded it through 2 elbows and the venturi refused to pull a vacuum. Checked online, and found that a pressure drop between the inlet and outlet of the venturi is required (so why did it EVER work...