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Barrel Sealing Piston Valve Question

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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Unread postAuthor: M.J.P. » Fri Aug 14, 2009 9:11 pm

OK thanks guys.
AngryChauncey wrote:Ok yeah that makes sense. I went ahead today and used the 1" sprinkler valve just to be safe. But now I can't get the piston to seal. :?

You might be having the same problem as me.

Also would an extra rubber seal on the seat help or probably just get blown off (with approx. 120 PSI)?
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Unread postAuthor: FORE!!!! » Fri Aug 14, 2009 9:22 pm

id say the more the better ,a thicker rubber at the base will result in less stress when the piston hits back
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Unread postAuthor: AngryChauncey » Sat Aug 15, 2009 8:34 pm

I went over to my nieghbor's house who is an engineer and he made it as close to 90* as it's ever going to get. I'm still waiting on the glue to dry to try it out, and yes I have a compressor so I hope the sealing face makes a big difference. Thanks for all the advice :lol:
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