Christopher Wright wrote:
> Sometimes the vessel can be pressurized with air,called a pneumatic
> test, but that is extremely hazardous, since the pressurized air stores
> an enormous amount of energy. If something lets go the vessel can be
> thrown hundreds of feet.
See
http://www.pipingdesign.com/pressure_testing_safety.pdf
for some pictures of pressure testing gone wrong.
Paul Received on Sat Sep 03 18:10:00 2005
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