Q&A Resource
What is Flow Over Seat vs Flow Under Seat?
Answer
https://blog.craneengineering.net/valves-flow-to-open-fto-vs-flow-to-close-ftc
https://www.plasticpipevalve.com/news/how-does-the-flow-direction-through-a-globe-valve-affect-its-operation-and-efficiency.html#:~:text=In%20over%2Dseat%20flow%20configurations%2C%20the%20pressure%20differentials%20across%20the,pressure%20differentials%20and%20fluid%20velocities.