The Matter pipe is used to transfer Matter Plasma between machines. The pipe uses superconductor magnets, and it does not use any power. That means, it does not extract Matter Plasma from machines. It only receives and sends Matter Plasma.
The behavior of the Plasma, is as follows:
The Matter Plasma tends to travel straight, following the path of less resistance. At junctions, it will go at a random direction, and if no other direction is available it will jump back.