Re: Re[2]: Certification of Type A P

[JMUCKERHEIDE@delphi.com]

On Jun 30, "William A. Fendt" <35346@strauss.udel.edu> wrote:

>It seems to me that a container may be structurally engineered to 
>withstand crushing forces instead of expansion forces or visa versa.

Both test for expansive forces (lower outside pressure vs higher inside).

>On Wed, 29 Jun 1994 forrere@ccmail.orst.edu wrote:

>> 
>>           This may seem like a very basic question, but, what would
>>           the difference be between putting a container inside a
>>           chamber and dropping the pressure or putting a valve on the
>>           container and increasing the pressure inside.  It seems to
>>           me the test is to determine if the container can withstand a
>>           certain pressure differential 

The valve would be a weak point? Leave it in (cap it?), vs. remove it and no
longer have the original tested configuration and integrity assurance.

Regards,

Jim M