I don't know valve failure mechanisms all that well, and I'm trying to understand the failure mechanism of Valve Stem-Disc Separation (sometimes called a plugging failure in Probabilistic Risk Analysis (PRA)), in particular for Manual (hand) valves.
Is this failure mechanism plausible for...
I have a fire protection piping system with 3" and 4" schedule 40 piping that I am trying to calculate the flow rate from various sizes of a pipe crack/breaks up through a full guillotine rupture of the pipe. I am trying to use simple calculational methods to estimate the break flow rates...
