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blow gun help

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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blow gun help

Unread postAuthor: Atrocity » Sun Mar 29, 2009 3:31 pm

I recently modified my sprinkler valve and i can only get to 60 psi because all of my blow guns leak in the same area. I have a ch one and that one leaked, so i thought it was broken, so then i went to go buy a husky one and that one leaks in the same area to. Is this a common problem and what can i do to fix this?
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Unread postAuthor: ramses » Sun Mar 29, 2009 3:37 pm

Did you use Teflon tape? That's important. Also, make sure you thread the 1/4" npt end into the sprinkler valve. To clarify, the input goes to the sprinkler valve. If you connect it the other way, air will push the valve open and it will leak.
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Unread postAuthor: c11man » Sun Mar 29, 2009 3:37 pm

do you the blow gun on backwards?

EDIT: damn like 30 seconds too late...
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Unread postAuthor: Atrocity » Sun Mar 29, 2009 4:28 pm

its leaking where i circled in red. I think i have it the right way, the 1/8 port is where i have it screwed it(circled blue)

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Unread postAuthor: c11man » Sun Mar 29, 2009 4:31 pm

you are putting the air in on the wrong side...

switch it and it will be fine.

when you put air into the output side it is very common for the air to leak around the area in red in your pic
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Unread postAuthor: Atrocity » Thu Apr 02, 2009 9:05 pm

c11man wrote:you are putting the air in on the wrong side...

switch it and it will be fine.

when you put air into the output side it is very common for the air to leak around the area in red in your pic


lol rookie mistake

thanks got it working fine
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Unread postAuthor: c11man » Thu Apr 02, 2009 9:23 pm

i realy like this leaking because i have a small little plinker and i use a blowgun as a main vavle and i have very tight ammo that seals. when i breach load the ammo the excess air leakes out through that hole making loading a TON easier.

BTW did you mod the blow gun? if not i would suggest it because it will have MUCH greater flow and will acuate the sprinkler valve slighty better.

EDIT: modding a blow gun is a great way to waste 30 minutes on a rainy day
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