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Rinsewater flow rates / turn-overs conversion

October 20, 2011

What is the calculation for figuring out rinse water turnover rate? A colleague of mine stated that emptying a tank and purging a tank with the same flow restructure were two very different things but he can't explain what makes them different. Head Pressure?

Info: I have is a 75 gallon counter flow tank with a 1.0 gpm flow restrictor.

Joe Weizel
Foresight Finishing LLC

- Tempe, Arizona

I would suggest that you read Ted Mooney's article- "The Art and Science of Water Rinsing" in the Metal Finishing Guidebook. I think that will clear it up for you.

Jon Barrows, MSF, EHSSC
Kansas City
October 21, 2011

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