Help On Pipe Fittings

Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
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crazyfreak0075
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Sun Aug 20, 2006 8:15 am

I just built my first gun last night it is a basic combustion. I was confused and tried to find sch 40 fittings at the store but couldn't find any. I asked for help and he lead me to a certain section. But on all of my fittiings it says NSF-dwv. They are thicker than my sch 40 3" pipe and i thought they were sch 40 too. Are these fittings ok to use.
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Mihlrad
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Sun Aug 20, 2006 8:47 am

in combustion, dwv is ok. Just watch out for DWV when making pnuematics.
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crazyfreak0075
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Sun Aug 20, 2006 8:50 am

Ok, Good. Thanks
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