/services/b/tips/posts/tip-93-use-a-viewable-and-adjustable-flow-ratio-and-a-feedforward-summerIf you look at a process flow diagram, you quickly realize that the flows are designed to move up and down in unison. The ratios of the flows are maintained. If you double production rate, you can double the process flows as a first approximation. Theen-USTelligent Community 13