Thanks that explains my problem.
I think I replace the belts with chests and robots, as an easy solution.

I only want to add a single fuel cell to all my nuclear reactors if steam goes low in my tanks.

Hi

I don't think this is a bug, but I don't understand why it does not work.
I have a (ugly) test setup like this:
belt_vs_chest.png

If I turn the steam up and down on the constant combinator (red box on the left), all 8 inserters get triggered (I see the red lamp blinking on the inserters) but ...

Hi

I currently try to create a big smelting area for about 1 RPM.
For this I made some tests and found a strange behaviour with belt compression.

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