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Author: Subject: Scrapping a exhaust fan
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[*] posted on 18-4-2012 at 21:39
Scrapping a exhaust fan


hello its been a while (along while) and im sure you have all missed me but im back.

Just a quick question, we recently scrapped some exhaust fans and im wondering is there anything useful in them i could scrap... besides copper.




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Hexavalent
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[*] posted on 19-4-2012 at 07:55


What kind of exhaust fans, and how many?



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[*] posted on 19-4-2012 at 08:13


kitchen and 2



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Hexavalent
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[*] posted on 20-4-2012 at 12:58


You could look into designing a fume hood with it, if you haven't already got one, for light use . . .just be very careful with the amounts of flammable vapours you release inside it if the fan is inline with the motor/other electronics, unless they are sealed or separated . . .which, from my experience with kitchen fans, often are sadly not.



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[*] posted on 20-4-2012 at 13:00


I have to second what Hex says. I once was using an inline duct fan to move vapors from a M.E.K. distillation and the fan caused a flash fire. Scary.



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[*] posted on 20-4-2012 at 15:49


Is there a way you could re-purpose the inlet for the negative pressure of the fans to create a simple vacuum pump for inorganic work (e.g. work not involving particularly flammable chemicals or solvents?)

You will need to shift the grease filters and whatnot off them and have a look at the inndards to observe their construction, else find technical documents on the internet for your particular models.




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