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1" Galvanized steel pipe from hardware store 500 psi

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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1" Galvanized steel pipe from hardware store 500 psi

Unread postAuthor: c19o » Fri Aug 31, 2007 11:47 pm

I'm just getting people opinions of how safe it is to keep 500psi of co2 in an ordinary 1" galvanized steel pipe from the hardware store for several minutes. My main question is will it fatigue quickly? Please tell me your thoughts.
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Unread postAuthor: spudgunnerwryyyyy » Fri Aug 31, 2007 11:49 pm

I can handle that pressure easily. It could hold unregulated co2 at 800psi.
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Unread postAuthor: DYI » Sat Sep 01, 2007 6:48 pm

This should leave you with a safety factor between 2 and 3. The threads would be the first to fail. It is not safe by industrial standards, but, on the other hand, it is probably not going to kill you. It should be fine*

* I assume absolutely no responsibility for any injury, death, dismemberment or castration received to ANYONE as a direct or indirect result of someone following the above advice. Follow at your own risk.
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Unread postAuthor: iPaintball » Sat Sep 01, 2007 8:15 pm

I did that and the pipe didn't break. Just make sure you don't stress the threads
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Unread postAuthor: Gepard » Sun Sep 02, 2007 10:36 am

The recommendation for PVC threads is half the rated pressure....*ouch*
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Unread postAuthor: Orpackrat » Sun Sep 02, 2007 12:57 pm

I have had 800psi of unregulated Co2 in that size of pipe for about 5 days, no leaks, no problems.
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Unread postAuthor: c19o » Sun Sep 02, 2007 7:29 pm

Hmm, well maybe ill take the gun to only 300 then if the threads will stress. Well thanks guys.
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