Thanks for your response! The piping we were looking at (large diameter, approx. 50cm pvc) seemed to keep major losses pretty low, much much less than 1.5bar
I've been tasked with assisting in the design and manufacture of a (hypothetical) pipeline for water transport. From a reservoir, carried over a distance of 2km with a height drop of 30m, delivering approx. 30L/s. For many types readily available pipe (PVC, steel epoxy etc) the head loss seems...