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Old 04-20-2010, 05:26 PM   #1
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Join Date: 04-10-10
Location: Shawnee, KS
Default Help please! Got a UDS Question.

I am in the process of building my first UDS. Does anyone know if conduit is galvanized? I picked up a couple of elbows to bolt to the outside of the drum and then plan on mounting a small shelf to them. Just want to make sure before I drill any unnecessary holes. Thx in advance for any suggestions.

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Old 04-20-2010, 05:38 PM   #2
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Join Date: 03-09-10
Location: Justin, TX

someone correct me if i'm wrong

I don't know the type of conduit you're using so I can't say if it's galvenized or not, but

As long as the (possibly) galvanized pieces remain on the outside of the unit, I don't think there would be a problem. So if the bolt running through (washers too) are steel and you mount it to the outside, the vapors that could be caused by the galvenized wouldn't even reach the food?

more about it here:

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Old 04-20-2010, 05:38 PM   #3
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Electrical conduit is galvanized, although it is also available in plastic and $tainle$$ $teel.
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Old 04-20-2010, 05:44 PM   #4
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if it is on the out side you have no worries, just use stainless hardware to mount it. galvanized puts off a toxic gas when heated over a certain temp (couple hundred degrees) galvanized is zinc and zinc is nasty stuff
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Old 04-20-2010, 05:49 PM   #5
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You could just quickly degalvinize it with muriatic acid from your local hardware store. If you do that make sure you burn off the zinc in a very well ventilated area and protect those hands and eyes.
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Old 04-20-2010, 06:13 PM   #6
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Join Date: 04-10-10
Location: Shawnee, KS

Thx guys for the advice and the links. Good stuff in there. Yes it is electrical conduit. I was planning on just bolting it to the side of the drum with a couple of U-bolts and washers.
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Old 04-20-2010, 06:19 PM   #7
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Location: Bellevue Nebraska

i just use the pipe for gas lines. no worries
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Old 04-20-2010, 07:34 PM   #8
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Join Date: 12-03-09
Location: Long Beach, CA

Don't worry about the galvanized stuff. To vaporize zinc, you need extremely high temps (~1650 degrees F). Zinc vapors can be harmful, but this is usually only an issue for people welding galvanized materials. Plus the amount of zinc in the galvanized coating is very small. Even if you ground up the galvanized parts and ate them, it would take a lot to produce toxic levels.

I know this is a popular debate, but it really isn't an issue.
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