Oxygen Scuba Tank Sizes

80 cubic foot tanks are the most popular among recreational divers and are also the most commonly found tanks on the water.

Oxygen scuba tank sizes. There is no perfect size tank for all diving types and all divers. The term diving cylinder tends to be used by gas equipment engineers manufacturers support professionals and divers speaking british english. Steel scuba tanks are denser than aluminum tanks meaning you have to be less concerned with buoyancy issues especially at the end of a dive. Smaller than an aluminum tank of the same capacity a steel scuba tank is a more compact air supply solution a fact that becomes doubly important for twin tank setups.

The standard aluminum 80 cubic foot cylinder is the most popular size for recreational. Some manufactures make scuba tanks that are only to use with air 20 9 oxygen. Divers direct also carries the 40 cu ft 50 cu ft 63 cu ft and 100 cu ft. However this is a misnomer since these cylinders.

Back mounted cylinders range from 45 130 cubic feet plus. There are many sizes of scuba tanks but you will find common standards throughout the industry. You should avoid high pressure aluminum scuba tanks such as the 3300 psi compact or neutral buoyancy aluminum tanks or the 3300 psi al100. Pony or bailout bottles can range from 6 40 cubic feet.

Note that this concern does not apply to high pressure steel cylinders depending on the service pressure of the scuba cylinder it may be filled with oxygen rich gases up to a maximum of 3442 psi. Before buying a scuba tank it is good to ascertain the oxygen compatibility. Divers who require higher percentages of oxygen such as nitrox have to buy the ones that are compatible with higher oxygen percentages and the valve has to be labeled as both oxygen.