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High pressure, LARGE automatic valve?

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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High pressure, LARGE automatic valve?

Unread postAuthor: Number21 » Thu Nov 27, 2008 12:50 am

I'm working on building a giant sized exact replica of my real shotgun with probably a 2" barrel. It will all be made from metal, and I'd like to try and use it at around 300 PSI :D

So that brings me to my question, where can I find a diaphram or other type of fast opening valve, rated for 300 PSI?

One thought I had would be a standard ball valve, with a fast pneumatic ram to open it. But I'd rather find a diaphram valve...
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Unread postAuthor: jackssmirkingrevenge » Thu Nov 27, 2008 1:00 am

I hope you have a considerable budget ;)
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Unread postAuthor: jmeyer1022 » Thu Nov 27, 2008 1:02 am

thick thick burst disc
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Unread postAuthor: jackssmirkingrevenge » Thu Nov 27, 2008 1:23 am

jmeyer1022 wrote:thick thick burst disc


That won't help if he wants it "auto" though...
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Unread postAuthor: rp181 » Thu Nov 27, 2008 12:18 pm

keep in mind its 175$ for a solenoid, it will get much higher for faster opening valves. This butterfly valve.
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