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:
“Do not put off your work until tomorrow and the day after. For the sluggish worker does not fill his barn, nor the one who puts off his work; industry aids work, but the man who puts off work always wrestles with disaster.”
—Hesiod (c. 8th century B.C.)