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:
“That some should be rich, shows that others may become rich, and hence is just encouragement to industry and enterprise.”
—Abraham Lincoln (1809–1865)