backflow

What is the backflow of urine, and how can it lead to an infection?

In this way two different sources can provide pressure without the threat of backflow from one source to the other.

This was to prevent a backflow of contaminated air from coming into the staging room.

It is the backflow that actually compresses the incoming gas.

He put forth a special effort, and the normal backflow resumed. "

Back siphonage is not to be confused with backflow.

Normally the veins have a one-way valve to prevent backflow.

To reduce the risk of contamination, a backflow preventer can be fitted.

A check valve is a common form of backflow prevention, but more complex devices may instead be required.

Shrieks broke out and there was a massive backflow in the crowd that brought all the press to a stop.

As she got up, she noticed the backflow starting, and grabbed a towel.

All plumbing codes require backflow prevention in several ways.

That causes a backflow from the engine into the supercharger until the two reach equilibrium.

His unwavering stare seemed to cause a power backflow, drain-ing her of energy.

"I took a backflow once, when a technician faltered.

Backflow occurs for one of two reasons, either back pressure or back siphonage.

Valves to prevent cement backflow did not close.

The simplest, and a very effective way to provide backflow prevention, is to provide an air gap.

Many states and/or local municipalities require annual testing of backflow prevention assemblies.

There are several ways to prevent siphonage and an undesirable backflow of the water in a plumbing system.

A tremendous backflow of energy surged through the earplug.

Worse, it took out a backflow valve.

It's sort of like a backflow valve.

It prevents the backflow of blood into the right atrium during ventricular contraction.

A more complex valve that accomplishes much the same purpose is the backflow preventer.