In this posting, we will discuss about pressure level related to relief valve, especially the difference between accumulation and overpressure. Those two terminologies (accumulation and overpressure) often cause some engineer confused.
My friend, do you still remember? One of consideration in selection of relief valve type is built up back pressure. In this article I will explain you how to calculate the built up back pressure. Oh, do you still remember what is built up back pressure? Is it a constant or variable?