Use in Industry
In industry, a rotary valve (which can also be called airlock) is often used to enter or extract material from two chambers with different pressure level.
As part of the material exchange process, the valve is often used as a measuring or metering device.
Read more about this topic: Rotary Valve
Famous quotes containing the word industry:
“It is while we are young that the habit of industry is formed. If not then, it never is afterwards. The fortune of our lives therefore depends on employing well the short period of our youth.”
—Thomas Jefferson (1743–1826)