Transcription of Air Valve Basic Training - ohiowea.org
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Air Valve Basic Training - ohiowea.org
Air Valve Basic TrainingAir Valve Basic TrainingOWEA Collection System Specialty OWEA Collection System Specialty ConferenceConferenceDan Barr, PEDan Barr, PEBurgess & Niple, & Niple, Why Air Valves? Types of Valves Valve Locations Sizing Valves Valve Specifications Installations QuestionsOverviewOverview Information based on: AWWA Manual of Water Supply Practices M51 Air Release, Air/Vacuum & Combination Air Valves Manufacturers' published information Our experience in design and the fieldWhy Air Valves?Why Air Valves?Why Air Valves?Why Air Valves?Effects of Air and Vacuum Pockets in Pipelines Higher Headloss and Binding Pipe Breaks Erratic operation of pumps, meters, and control valves Collapsed pipesWhy Air Valves?Why Air Valves?Sources of Air Entry in Pipelines Dissolved Air or Gas (2% at 1 atm) Air Valves Pumps Filling Empty PipelinesWhy Air Valves?
Air Valve Basic Training ... •Body Configuration (Single versus Dual) Dual Body Single Body. Installation and O&M. Installation • Connections –Inlet piping and isolation valve should be same size as valve inlet –Short Inlet Piping and Vent Lines ...
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