System Design & Layout Flow velocity through pipe should be limited to 5 ft/sec in order to: Tags: Certification Exam Prep, Distribution System, Metering Pump, Water Treatment Read more articles Previous PostWater Meters Next PostNext Post You Might Also Like Water Treatment Chemical Blending July 12, 2017 How to Study for Water Treatment License Exams June 23, 2018 Problem Solved: Flow Rate Formula – Water Treatment, Distribution and Wastewater Math June 9, 2016 Post author: Post published:January 24, 2017 Post category:Certificate Programs / Distribution / Water Treatment