Flange Class called POUND!

In this video you will understand why we call "Pound" for the flange classes. Flange rating is defined by pound per square inch. This is the most famous word in use in piping design and engineering world. The historical benchmark condition is being compared with ASME B16.5 and Table 2-1.1. https://pipingstress.net #PipingStress #flange #pipingdesign