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What 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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What valve?

Unread postAuthor: lukemc » Wed Mar 21, 2007 6:20 pm

i made this gun that is loosly based on the old marshmellow gun desighn except i have a detatchable air tank it would work realy nice except i an find and valve for half inch pvc thats not a ball valve i looked up solinoid and butterfly valves and cant find any for small diamiter pvc. i sort of know how piston valves work but i dont know how i could make one or even use it same for QEV

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Last edited by lukemc on Wed Mar 21, 2007 6:30 pm, edited 1 time in total.
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Unread postAuthor: ShowNoMercy » Wed Mar 21, 2007 6:24 pm

Well I have seen 1/4 " sprinkler valves around here, but I think they would be expensive. What is wrong with a ball valve?
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Unread postAuthor: lukemc » Wed Mar 21, 2007 6:29 pm

too slow to open i want a quick realese btw you have an average of 57 posts per day holy crap
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Unread postAuthor: ShowNoMercy » Wed Mar 21, 2007 6:30 pm

Why not just get an inline QEV? If they exist that is...
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Unread postAuthor: noname » Wed Mar 21, 2007 6:39 pm

Piston valves are really not difficult at all, look around, there's designs floating here and there.....
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Unread postAuthor: ShowNoMercy » Wed Mar 21, 2007 6:42 pm

And just what is that supposed to mean? What have I done to earn such a title? Is it bad? I dont get it.... Sucks for me I guess.
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Unread postAuthor: lukemc » Wed Mar 21, 2007 6:52 pm

another question is there such thing as a 1/2" pvc sprinkler valve cuz i havent seen one anywhere
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Unread postAuthor: ShowNoMercy » Wed Mar 21, 2007 6:55 pm

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Unread postAuthor: lukemc » Wed Mar 21, 2007 7:10 pm

no i think ill just go with a ball valve no others go down to 1/2" and im still a bit confused about the piston valve beacause i alredy made the tank part so idk if i can still add that kind
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Unread postAuthor: Kobl » Wed Mar 21, 2007 7:56 pm

ShowNoMercy you have more than twice the amount of posts I have and I have been here more than 20 times longer. God hates you with burning vengeance.

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Unread postAuthor: hi » Wed Mar 21, 2007 7:57 pm

I have seen QEV's and they are the most powerful valve you can have before you have to make a piston valve. They litterally open instantly and can have a trigger like a gun. Go wo www.mcmaster.com and type in qev and look under pnumatic section and you will see what i mean. they cost just as much as ball valve (for 1/2 inch anyway) and are litteraly 200% better and more powerful.
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Unread postAuthor: ShowNoMercy » Wed Mar 21, 2007 7:58 pm

So me posting a lot is a bad thing? Or is that a joke? Sarcasm perhaps? Hopefully?
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