Critical - Subcritical

Hi my friend, how are you today? I am sorry, It’s been a while my blog has not been updated. I was very busy this week; therefore I had no time to write a new article. Ok, Let's continue the discussion about back pressure. Now, by this article I will explain you that the critical and subcritical condition depend on the back pressure.

Back Pressure Effect

In the previous article, two kinds of back pressure have been discussed. We have already understood that back pressure has several impacts to PSV performance. In this article, we will learn the impact of back pressure on the relief valve opening, operation and flow capacity.