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pipe sleeving

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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pipe sleeving

Unread postAuthor: imforcedtodothis » Mon Feb 12, 2007 10:17 pm

ok, i have a QEV that im gonna have to sleeve some pipe into. the inlet is one inch, the outlet is 1 1/16" and i gotta know what size pipe i should sleeve into that and then what psize pipe should be on the outside of the sleeved pipe.
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Unread postAuthor: BC Pneumatics » Tue Feb 13, 2007 9:50 am

Harvel.com Do some research.
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Unread postAuthor: imforcedtodothis » Wed Feb 14, 2007 12:30 am

what here am i researching?
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Unread postAuthor: BC Pneumatics » Wed Feb 14, 2007 8:30 am

Apparently, you are researching 'what sized pipe you gotta have and then what sized pipe should be on the outside of the pipe'
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Unread postAuthor: imforcedtodothis » Wed Feb 14, 2007 7:02 pm

but they don't have the right size pipe to glue in there, thats why i have to sleeve it.
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Unread postAuthor: BC Pneumatics » Wed Feb 14, 2007 7:33 pm

The world is doomed.
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Unread postAuthor: killagorrila99 » Wed Feb 14, 2007 7:54 pm

HAHAHAHAHAHAHA! Me thinks, 32mm pipe? or 1.25
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Unread postAuthor: CS » Wed Feb 14, 2007 8:18 pm

Well as I don't believe that 'imforcedtodothis' understands that you were directing him to a chart on Harvel Plastics site in which displays the actual dimensions of the nominal pipe sizes. None the less, such a chart might be easier to find on the Spud Wiki.
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Unread postAuthor: BC Pneumatics » Wed Feb 14, 2007 8:25 pm

I realize that, and please don't tell him. I am trying to get him to use his brain. It will hurt at first, but it could only help in the long run.
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Unread postAuthor: imforcedtodothis » Wed Feb 14, 2007 9:52 pm

ok, i saw the charts. but the thing is that there isn't a pipe with a tight enough fit. if i knew the right size to pipe i could sleeve it in there and have a tighter fit.
edit: do you think i could sleeve some 1.5" sdr21 in there? it'd be be a tight fit, but it might work. anyone?
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Unread postAuthor: killagorrila99 » Wed Feb 14, 2007 10:28 pm

Can we see a pic of the qev and all it's markings?
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Unread postAuthor: imforcedtodothis » Wed Feb 14, 2007 11:00 pm

Image
Image
then a 3/4" sch40 in the outlet... close but i dont think i can seal that with glue... its a wee bit too big to go in the inlet.
Image
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Unread postAuthor: Killjoy » Wed Feb 14, 2007 11:31 pm

there is a special epoxy thats comes in a stick you mix by hand thats for plumbers and will adhere to almost anything and becomes hard like steel, you could get some of that and that would fill that gap no problem. Can't remember the name though.
Edit: heres a link to a site thats got it
http://www.herchem.com/products/putty_epoxy.html (scroll down, its the pro poxy stuff)
Ive used this stuff and another brand to seal my moded propane regulators, and both worked great and i got both at home depot.
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Last edited by Killjoy on Wed Feb 14, 2007 11:42 pm, edited 2 times in total.

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Unread postAuthor: imforcedtodothis » Wed Feb 14, 2007 11:33 pm

epoxy putty?
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Unread postAuthor: paaiyan » Wed Feb 14, 2007 11:38 pm

I'd just get one of those tubes of epoxy that looks like a syringe. Just squirt it down in there and use a paperclip to swirl it around. i've done stuff like that before and it works pretty darn good.
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