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.
Oxygen scuba tank sizes.
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.
There is no perfect size tank for all diving types and all divers.
Pony or bailout bottles can range from 6 40 cubic feet.
Before buying a scuba tank it is good to ascertain the oxygen compatibility.
Standard psi in an aluminum scuba cylinder is 3000.
The capacity of a scuba cylinder is an important consideration.
The standard aluminum 80 cubic foot cylinder is the most popular size for recreational.
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.
There are many sizes of scuba tanks but you will find common standards throughout the industry.
The term diving cylinder tends to be used by gas equipment engineers manufacturers support professionals and divers speaking british english.
Scuba tank or diving tank is more often used colloquially by non professionals and native speakers of american english the term oxygen tank is commonly used by non divers.
You should avoid high pressure aluminum scuba tanks such as the 3300 psi compact or neutral buoyancy aluminum tanks or the 3300 psi al100.
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.
Back mounted cylinders range from 45 130 cubic feet plus.