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Waste Water Lift Station - Wet well exhaust system

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parttimer

Mechanical
Joined
Jun 18, 2003
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US
I am considering using thin-walled (sched. 5s) pvc pipe rather than round, galvanized sheet metal (along with phenolically-coated, in-line exhaust fans) to exhaust gases from the "wet well" of a waste water lift station. Any suggestions??????
 
First, I would say that plastic would generally be better than sheet metal for that type of application. Second, is there a particular reason that you feel that active ventilation (exhaust fan) is necessary to exhaust from the wet well. In all applications I've seen, a vent is provided (usually a DIP or steel pipe with a gooseneck and insect screen) and that's it. Unless there's a special condition, an active ventilation system is overkill and (as you guessed) will be a maintenance nightmare.
 
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