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:
“Your representative owes you, not his industry only, but his judgement; and he betrays instead of serving you if he sacrifices it to your opinion.”
—Edmund Burke (1729–1797)