back flow

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Definition of back flow in English English dictionary

backflow
The flow of a fluid (through a pipe etc) in a direction opposite to that which is normal or intended
backflow
The backing up of water through a pipe in the direction opposite to normal flow
backflow
Abnormal backup of water in the opposite direction of normal flow in a pipe
backflow
A type of cross-connection that can occur in a potable water system Backflow is the unwanted reverse flow of contaminated water through a cross-connection into a potable water system It can occur whenever the pressure in the potable water supply drops below the pressure of the contaminated supply
backflow
To reverse the natural and normal directional flow of a liquid, gases, or solid substances back in to the public potable (drinking) water supply
backflow
The backing up of water through a conduit or channel in the direction opposite to normal flow
backflow
A reverse flow of water or other liquids into the potable water supply pipes, caused by a negative pressure in the pipes
backflow
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
backflow
the melt flows back out of the mold, returning to the runner(s) thru the gate
backflow
a flow that returns toward its source
backflow
{i} flow that moves in the opposite direction of what is desired or usual
backflow
The flow of water or other liquids, mixtures, or substances into the distributing pipes of a potable supply of water from any source or sources other than its intended source (2)
backflow
The reversal of normal flow in a system due to an increase in the downstream pressure above that of the supply pressure
backflow
Water flowing in a pipe in the reverse of the intended direction
backflow
the melt flows back out of the mold, returning to the runners
backflow
A reverse flow of water or other liquids into the water supply pipes, caused by negative pressure in the pipes
backflow
A reverse flow condition created by a difference in water pressures that causes water to flow back into the distribution pipes of a drinking water supply from any source other than the intended one
backflow
– The undesirable reversal of flow of water or other substances through a cross-connection into the public water system or the consumer’s water system
backflow
l the contamination of supply line water when waste water flows back, primarily by siphoning but can also be caused by cross-connection or other plumbing problems
back flow
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