N Scale Flare Knockout Drum

Model of a knockout drum in N Scale. A knockout drum is a processing unit for removing fluids from a gas stream before the gas is burned off in a flare stack. The fluids are removed from the bottom drum .
The flare gas pipes are ø2mm, the bottom fluid pipe is ø1.5mm. The flare gas pipe are routed below ground and held in place with a rod that can be removed with cutters or a sharp knife.