Frequently Asked Questions > FAQ's > What is an internal flow baffle?

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ISI cylinder screens distribute intake flows evenly over the entire screen surface by using a graduated porosity manifold inside each screen. Evenly distributing flows eliminates velocity “hot” spots that can contribute to poor cleaning effectiveness and reduced fish protection.

ISI Cone Screens use a patented inverted flow cone and orofice to distribute flows evenly between the top and bottom sections of the screen.  Each screen’s flow baffle may be modified for the expected site conditions.