Breathing gas
Videos
A breathing gas is a mixture of gaseous chemical elements and compounds used for respiration. Air is the most common and only natural breathing gas, but other mixtures of gases, or pure oxygen, are al
Sailors check breathing devices at sea.
A closed bell used for saturation diving showing emergency gas supply cylinders
2% Heliox storage quad. 2% oxygen by volume is sufficient at pressures exceeding 90 msw.
Electro-galvanic fuel cell as used in a diving rebreather
Saturation diving
Videos
Saturation diving is an ambient pressure diving technique which allows a diver to remain at working depth for extended periods during which the body tissues become saturated with metabolically inert g
Breathing gas
…deep dive to eliminate nitrogen narcosis and reduce density, to limit the work of breathing. Heliox is the standard mixture type for deep offshore saturation diving. Hydreliox is a mixture of oxygen, helium, and hydrogen and is used for dives below 130 metres in commercial diving. Experimental work using hydreliox…
Saturation diver working on the USS Monitor wreck at 70 m (230 ft) depth
Saturation diver conducting deep-sea salvage operations
Iremis da Vinci at the Albert Dock Basin, Port of Leith. A multi-purpose diving support vessel, built in the Republic of Korea in 2011, and registered at Majuro, Marshall Islands, it is 115.4m long and has a gross tonnage of 8691t.
Tektite I habitat