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problems with sprinkler 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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problems with sprinkler valve

Unread postAuthor: jmc21986 » Sat Dec 08, 2012 7:14 pm

hi, so i made a pneumatic cannon with a sprinkler valve and i am on my second valve now. the first one leaked so i replaced it and the second one worked good for about 2 weeks and started leaking. i dont know why its doing this or what causes this but i'm getting very frustrated with it. i did not modify it, and im useing it electronicly through a project box. please helping me with troubleshooting my problem. thanks
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Unread postAuthor: jrrdw » Sat Dec 08, 2012 10:59 pm

Air is leaking from where? Exactly?
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Unread postAuthor: mattyzip77 » Sat Dec 08, 2012 11:03 pm

Your first problem is you didnt modify it... Your second problem is you gave us no info to help you whatsoever.....post some pics too. It's better if we can see what's going on....
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Unread postAuthor: jmc21986 » Sun Dec 09, 2012 8:42 am

ill get a pic for you. its leaking out of the valve. when i fill the chamber i here the air leaking through the barrel. the reason i didnt modify it is because i saw some videos on you tube of people useing there sprinkler valve electronically.
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Unread postAuthor: PaperNinja » Sun Dec 09, 2012 8:51 am

Idk about sprinkler valves, but with QEV they always leak before a certain pressure. If you're testing it at very low pressures (<20 psi) then it might very well leak.
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Unread postAuthor: jsefcik » Sun Dec 09, 2012 9:08 am

need more info here, then we can help you more
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