https://www.desmi.com/segments/marine/applications/inert-gas-coolingscrubber-pumps/
Inert Gas Cooling / Scrubber Pumps | DESMI - Make life flow
Inert gas is used onboard tankers with flamable cargo. It is pumped into the tank to replace the atmospheric air as this contains oxygen which can ignite cargo.
inert gasscrubber pumpscoolingmakelife