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AC Unit Compressor

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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Unread postAuthor: Gun Freak » Sun Jun 19, 2011 9:22 pm

I'd JB Weld it into a 1/8x1/4 brass bushing. It should fit nicely...
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Unread postAuthor: POLAND_SPUD » Sun Jun 19, 2011 10:30 pm

there is a better way to do that...

two threaded fittings + rubber washers... as you squeeze the washers the hole in the middle of them contracts and forms a perfect seal
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Unread postAuthor: Technician1002 » Sun Jun 19, 2011 10:39 pm

saefroch wrote:I've got a similar pipe problem... The pipes seem to be pretty close to 5/16" OD, but that doesn't correspond to any compression fitting I can find... how should I connect them?


The pipe sizes are given in the PDF linked above. The pipe is metric. Refrigeration tube is measured by the ID, not the OD like water pipe.

The inlet is 9.7 and the outlet is 6.53.

Check the metric section for compatible pipe. You won't find it in the plumbing section. You may have to visit a refrigeration supply for the tubing and parts. For that pressure, it should be soldered. Hard silver brazing is recommended, but regular plumbing or silver bearing solder should work fine.
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Unread postAuthor: pipeboyswe » Mon Jun 20, 2011 2:25 am

Just yesterday i solderd the pipes from my fridgy with silver brazing it works like a charm :D
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