Originally Posted by dunerjeff
One other thing about published max is that a manufacturer may not have actually tested till failure or even close. They may just go to a certain point then stop. They won't publish any higher because they didn't personaly PROOF it, while another company may have started higher or proofed closer to max so they publish higher.
The manufacturers do not "test till failure". They use pressure testing equipment to test up to SAAMI max pressures. They do sometimes stop short of max pressure, often for no clear reason, but they do not, at least as a matter of routine methods for producing load data, test until failure.
Still happily answering to the call-sign Peetza.
The problem, as you so eloquently put it, is choice.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.