Re: Hydrotest....

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

<a href="http://www.pipingdesign.com/pressure_testing_safety.pdf">http://www.pipingdesign.com/pressure_testing_safety.pdf</a>

for some pictures of pressure testing gone wrong.

Paul Received on Sat Sep 03 18:10:00 2005