Scuba Diving Tank Sizes

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.

Scuba diving tank sizes.

This is a benefit for some scuba divers. Steel dive tanks weigh more due to the material in which it s made requiring less weight to be used in a weight belt. High pressure steel scuba tanks allow up to 3442 psi to be pumped into a cylinder while low pressure steel scuba tanks can fill up to 2640 psi. 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. There is no perfect size tank for all diving types and all divers. Divers direct carries 4 sizes in blue. Divers can choose between scuba tanks manufactured from aluminum or steel.

Pony or bailout bottles can range from 6 40 cubic feet. The size and working pressure of your scuba tank can be determined by looking at the markings on the crown of your tank. How to choose the best scuba tanks size. Dive tank pressures span a wide range but the most common pressures are low 2400 to 2640 psi standard 3000 psi and high 3300 to 3500 psi.

Cylinders provide gas to the diver through the demand valve of a diving regulator or the breathing loop of a.