Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
I created this, it's supposed to limit the flow rate of the pipes.
It doesn't work very well, I don't know how to tackle the problem.
It seems that in order to achieve a certain flow rate, the best solution is still to produce exactly what is needed.