Definitions for "Backflow"
A reverse flow of water or other liquids into the water supply pipes, caused by negative pressure in the pipes
The flow of liquids through irrigation into the pipes of a potable or drinking water supply from any source which is opposite to the intended direction of flow.
reverse flow of water or other liquids into water supply pipes carrying potable water. Back-syphonage is a type of backflow.
A hydraulic condition caused by differences in pressure.
Keywords:  blinding, filter, bag
Bag blinding Bag filter