# Knock Out Pot

A knock-out pot may also be referred to as a flash drum, knock-out drum, vapor–liquid separator, compressor suction drum or compressor inlet drum. A knock-out pot is a device used in several industrial applications to separate a vapor–liquid mixture. For the common variety, gravity is utilized in a vertical vessel to cause the liquid to settle to the bottom of the vessel, where it is withdrawn. This is the approach adopted within FluidFlow.