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post troubleshooting valve questions

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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post troubleshooting valve questions

Unread postAuthor: airsofter135 » Thu Jun 26, 2008 4:15 pm

ok i just modded my orbit 3/4" sprinkler valve and construction went without problems and through a compilation of several instructions and tips form different people, the valve is complete. to see if would work i made a seal with my mouth around the intake and blew abit. I heard some hissing coming out of the barrel side. i went through the valve trouble shooting guide by noname and and washed my diaphram and the problem still exists. could it be that I need a stronger spring because when i press down on the part in the middle of the diaphram (not sure the actual name :) ) the leak stops.
Can any body help me out? I think if i knew how the valve actually worked i could understand how to better adress the problem. Any sites with a good diagram of the valve?
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Unread postAuthor: rp181 » Thu Jun 26, 2008 4:17 pm

Diaphragm's dont work at such low pressures. Use higher pressure and it should not leak. Your mouth is 2psi max, so not enough. You also cant fill to slowly.
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