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backwards 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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backwards sprinkler valve

Unread postAuthor: nojoke510 » Sun Apr 29, 2007 12:43 pm

Hi I just built my first pnematic cannon and I have a slight problem, I noticed put the sprinkler valve on backwards and have already cemented it in, will it work? Any advice?
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Unread postAuthor: pyromaniac » Sun Apr 29, 2007 12:45 pm

you cemented it in? your just supposed to get male adapters and use teflon tape. only thing i can say i saw off both sides of the gun now and try to switch them.
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Unread postAuthor: BC Pneumatics » Sun Apr 29, 2007 1:15 pm

Unless he didnt get a threaded valve silly ;)
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Unread postAuthor: mega_swordman » Sun Apr 29, 2007 2:06 pm

Either way, it would probably be best to saw off the ends and find a way to re-attach them in the proper direction.

Could you please post a picture of the valve/cannon so that we may be able to acces the situation better?
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Last edited by mega_swordman on Sun Apr 29, 2007 2:10 pm, edited 1 time in total.
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Unread postAuthor: zeigs spud » Sun Apr 29, 2007 2:09 pm

lol no it wont really work >.<

umm yea take that sucker off and try to switch it somehow lol.
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Unread postAuthor: noname » Sun Apr 29, 2007 2:46 pm

You can plug the equilization hole and drill a new one, that might help somewhat.
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Re: backwards sprinkler valve

Unread postAuthor: hi » Sun Apr 29, 2007 3:50 pm

nojoke510 wrote:Hi I just built my first pnematic cannon and I have a slight problem, I noticed put the sprinkler valve on backwards and have already cemented it in, will it work? Any advice?


were you directing it to me? just kidding. Just hack off the pipe, attach a coupler, then do the same on the other side.

ps- why didnt you just use teflon tape.
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Re: backwards sprinkler valve

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Unread postAuthor: lukemc » Sun Apr 29, 2007 4:47 pm

if you have a dremel to could cut both sides of the valve and sand off the pipe inside with the demel tool sander thing. this could be ticky and time consuming but would be the neatest looking of your opptions
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Unread postAuthor: Hotwired » Sun Apr 29, 2007 4:58 pm

It would take AGES to sand out pvc piping.

I'm sure someone posted a pipe removal tool that you stick in a drill to cut out pipe from a fitting... I'm going to look for it...
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Unread postAuthor: hi » Sun Apr 29, 2007 5:03 pm

not only would it take forever, but it wouldn't be very consistant and it wouldn't be very safe, just do it the proper way and cut both parts, then add a coupler to both sides.
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"physics, gravity, and law enforcement are the only things that prevent me from operating at my full potential" - not sure, but i like the quote

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Unread postAuthor: Hotwired » Sun Apr 29, 2007 5:45 pm

Found it: http://www.spudfiles.com/forums/repair-or-remove-pvc-fittings-t6584.html

It cuts out the pipe inside the fitting or in this case the sprinkler.
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Unread postAuthor: paddo » Mon Apr 30, 2007 1:34 am

i recon the best way would be to cut both sides but leave enough room for the bits on the valve to go properly into a coupler and then just turn it around and whack a coupler on both sides. it would be strong, and neat.

if you post up a pic it might help us out a bit aswell.

best of luck
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