Glossary
Introduction to fluid technology

This term applies to public or private fluid supply networks (drinking water, gas, fuel oil, etc.) outside buildings.

unpressurized gravity feed :

A little-used term. Applies to the natural flow of a fluid under the sole effect of positional energy, i.e. the difference in level, for example in an open channel or a partially filled pipe supplying a reservoir or basin.

gravity supply without en-route...