how can i make my air compressor go higher????

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Postby spudproof » Thu Dec 28, 2006 4:20 pm

you cant get up to 300psi with that little motor! it is VERY safe with copper and cheaper
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Postby TurboSuper » Thu Dec 28, 2006 8:26 pm

Hmm...a quick search of Google returned this:

http://www.potters.org/subject93780.htm

This part peaked my interest:


Finally, one last consideration I belive is important: whether the
compressor is stationary or portable. If your studio is a "real" potter's
studio where you make a living with clay, then you might want to buy a
larger "stationary" compressor and tank and install it permanently around
back in a sheltered alcove of some kind where you can pipe compressed air
to wherever you want it. It's convenient, quieter and you can limit
compressor maintenance chores (changing oil, etc.) to a place designed for
that without having it all over your studio. If your operation is much
smaller, a roll-around compressor might do. IF YOU PIPE the compressed
air you should NEVER use PVC or plastic pipe. I know -- it is rated for
400 psi or so, but that is WATER PRESSURE, which is constant. Air
pressure in a piped system varies with every stroke of the compressor's
piston(s). In time, it can fatigue and burst, propelling shards of PVC
everywhere, including into one's eyes and body! Don't use PVC. Black
cast iron seems to be the standard.


I only think that's true to a certain point since many people (including me) use plastic chambers for our pneumatics and are fine with it. Mabye the schrader valve somehow regulates pressure since it's a tiny opening:?:

So then you'll have to go for metal components for a compressor tank.
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Postby Drew Rowland » Thu Dec 28, 2006 8:51 pm

I'm sorry, but I think this guy has no idea what he's talking about. Pressure variations due to the strokes of the air compressor are never going to exceed a few psi.
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Postby TurboSuper » Thu Dec 28, 2006 10:37 pm

Yeah, I thought it was a bit fishy too...but on the other hand you dont see very many PVC-tanked compressors around.
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Postby MrCrowley » Mon Jan 01, 2007 12:04 am

Does your air comp say not to exceed(sp?) 100psi but the pressure gauge is colour coded, e.g 0-100psi in green,100-115psi in orange and 115psi-150psi in red. Mine is like that and ive taken it up to 135psi no problem.Mind you I do not do this regulary and allways let it cool down.
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