A fork of Factorissimo 2 focused on improving performance by implementing several 1.1 features. Can improve performance by 10X or higher. Also fixes several bugs from the original version.
With just Advanced Fluid Handling (Without Pyanodon) it's giving issues too. Directional underground pipes are not rotatable. They do interconnect to the fluid systems.
This isn't something I can fix from my end. You would have to get in contact with the author of the other mod if you want them to be rotatable. Although I think this is a small issue
