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Grey Electrical PVC???

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Grey Electrical PVC???

Unread postAuthor: nathan9493 » Fri Oct 05, 2007 6:32 pm

Hey Guys,

I'm an electrician and have acces to lots of grey PVC. It looks the same and know its not "listed" as being pressure rated. But I think its the same stuff, and very available in my area. Can I use it for a pnuematic? :D :D
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Unread postAuthor: goose_man » Fri Oct 05, 2007 6:56 pm

Grey PVC "condiut" is usually not pressure rated. I wouldn't use it.

-goose_man
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Unread postAuthor: Gepard » Fri Oct 05, 2007 7:02 pm

Cap it off and hydrostatic test it till it bursts. Repeat as many times as you can, then divide by 3 to give you a max working pressure.
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Unread postAuthor: mark.f » Sat Oct 06, 2007 8:03 am

The answer would have to be no.

Regular PVC is already brittle. I'm guessing "rigid" conduit tubing, (I used it for a dog kennel because it doesn't sag as much as PVC), would be even more brittle. It may work, and then again it may not. I wouldn't take the chance.
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Unread postAuthor: super spuder » Sat Oct 06, 2007 8:24 am

you could use it as a barrel
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trying to decide on a new project, probably something small.
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