<VV> Air compressor distribution lines

John Dozsa jdozsa at carr.org
Mon Oct 31 09:42:34 EST 2005

Schedule 40 PVC pipe is NOT to be used for compressed air lines.  This
has been known no-no for years.  It is only approved for some
non-compressible fluids, such as water.  Those that believe in its use
take a look at the following OSHA link:


If you use it and have an accident do you think your insurance company
will pay a claim?


> Subject: Re: <VV> Air compressor distribution lines
> Date: Mon, 31 Oct 2005 05:14:06 -0500
> From: "John Kepler" <jekepler at amplex.net>
> To: "Kent Sullivan" <kentsu at corvairkid.com>,
>      "'virtualvairs'" <virtualvairs at corvair.org>
> References: <08b101c5dddd$27c1a440$0300a8c0 at IBMOffice>
> > My theory about PVC is that it can take the max pressure but is not
> designed
> > for the up and down pressure changes.
> Schedule 40 is Schedule 40 REGARDLESS of the material the pipe and fittings
> are made from.  If the Pipe passes the requirements for the Schedule, then
> it'll work in that application just as well as any other material.
> FWIW, PVC has been used in industrial applications for compressed air for
> decades.....I've used it my shop without incident since I built it 20 years
> ago!
> John

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