Absolutely true. I can verify that if you use oxy-acetylene in a PVC potato gun 
it tunes into powder and tiny pieces when it blows...

Bill Cardell
TurboDog's Dad
Www.flyinmiata.com
1-800-fly-mx5s
970-464-5600


On Oct 13, 2011, at 12:53 PM, "Rob Ebersol" <[email protected]> wrote:

> Friend of mine, who happens to be a chemical engineer, likened PVC failing 
> under pressure to shrapnel. 
> 
> 
> On Oct 13, 2011, at 1:47 PM, Ian McCloghrie wrote:
> 
>> On 10/13/11 10:38 AM, Helsel, Walt wrote:
>>> 
>>> Air plumbing, agreed. I have a hose reel in the center of the 24x24 now, 
>>> plus a loose hose to drag around as needed. What piping would you use, PVC, 
>>> black pipe or copper? I’ve heard pros and cons for each….
>>> 
>> 
>> I've never heard anyone say that PVC is safe to use for this. :)
>> 
>> steel vs copper comes down to price of materials vs time to put it together, 
>> no?
>> 
>> --Ian
>> 
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