What color is the bottle that drains from the hyperbaric warehouse

Blue. According to query the official website of the Chinese government that the formal government regulations, bottles painted in various colors to show the difference, oxygen cylinders for sky blue, black characters, nitrogen cylinders for black, yellow characters, compressed air cylinders for black, white characters and so on. Convenient for people to distinguish the use. So the bottles draining from the hyperbaric oxygen warehouse are blue. Hyperbaric oxygen chamber is a special medical equipment for hyperbaric oxygen therapy, according to the pressurized medium is different, divided into air pressurized cabin and pure oxygen pressurized cabin two kinds.