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Chlorination / DeChlorination Procedures
Showing the mainline orifice ring. By inserting the smaller orifices you can control your discharge rate OR increase by-pass pressure to insure a full vacuum is achieved. This orifice directs part of the water flow into the lateral by-Flow direction pass venturi.
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Filter Media Replacement: Theory and Practical Experience
www.pnws-awwa.orgFilter Media Loss •Granular media filters lose media via backwash –Target <3-5%/yr losses •Optimize backwash if loss is excessive –Tolt ~1-2%/yr •Media breaks down over time, finer particles migrate to top during backwash •Replace: –Lost …
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