FLUID MIXING APPARATUS

摘要

A reduced pressure shut off assembly for an eductor mixing system wherein a vacuum shut off valve is activated by reduced pressure in a reduced pressure line connected to a container for a concentrate. In a preferred embodiment, an eductor and the vacuum shut off valve are positioned on top a vessel for storing a solution of the concentrate. The mixing system with the vacuum shut off valve is especially adapted to being used for mixing a chemical concentrate cleaning composition with water.