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Slip Spigot Bushing For A Barrel-Sealing Pneumatic

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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Slip Spigot Bushing For A Barrel-Sealing Pneumatic

Unread postAuthor: spudkilla224 » Sun Mar 01, 2009 12:57 pm

Hello I am building a barrel sealing piston cannon, and i was wondering if a SCH. 40 PVC Slip Spigot Bushing has a ridge in it to stop the pipe from sliding all the way through it or not? Because when i built my last barrel sealing piston valve i modified a 2"X1.5" reducer bushing and i took the ridge out with a dremel, and when i tested my piston cannon it started to leak were i modifed the fitting. So how can i not modify a fitting that seals against the barrel on a barrel sealing piston cannon?

Any help is appreciated.
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Unread postAuthor: mark.f » Sun Mar 01, 2009 1:55 pm

Most people do that when building a barrel sealer. You just have to take your time, and use plenty of primer/cement.
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