Adds pipes with restricted connections, and several useful valves.
Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
I'm using some mods but the ones affection pipes beside this one are small fixes, squeak thorough, boblogistics and zgroupchange.
The issue is zgroupchange. If you check out the forums I posted a fix. I believe I also posted it as a bug in zgroupchange's page here.