Aluminum Scuba Tank Sizes

The 2640 psi low pressure steel tanks are preferred by nitrox and technical divers who expect to be blending their gases using the partial pressure method.

Aluminum scuba tank sizes.

Pony or bailout bottles can range from 6 40 cubic feet. The information below was compiled from a variety of sources including luxfer pressed steel tank catalina and oms. There are a lot of different types of tanks that can vary greatly regarding pressure and capacity. How to choose the best scuba tanks size.

The capacity of a scuba cylinder is an important consideration. Steel tanks have thinner walls than aluminum tanks with an equal pressure rating. However you should never assume the size of your tank. The compact aluminum tanks and the standard al100 tank have a service pressure of 3300 psi.

Back mounted cylinders range from 45 130 cubic feet plus. A steel scuba tank is offered as a high pressure tank or low pressure scuba tank. Beverage co2 cylinders composite fire extinguishers impact extrusions medical nitrous oxide scuba portable calibration specialty industrial gas. Standard aluminum tanks typically have a capacity of 80 cf with a.

An 80 cubic foot steel tank rated to 3000 psi will be slightly smaller than an 80 cubic foot aluminum tank rated to 3000 psi because the tank walls are thinner. Aluminum and steel scuba 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. Size of steel vs aluminum tanks.

Most tanks have capacities ranging from 50 to 120 cf with various compressed air pressures. Pressure and size determine the volume of air a tank can hold its capacity. Types of scuba tanks and pony bottles. A scuba tank s capacity is determined by its size and pressure rating.

The capacity of any tank is measured in pressurized cubic feet. The size of a scuba diving tank will determine its capacity which is an important consideration. Compiled by huron scuba snorkel adventure travel inc. A standard scuba tank usually holds 80 ft 3 of air at 3 000 psi.

It is important to check the markings on the. Scuba cylinders are made from either steel or aluminum materials. 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. 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.

There is no perfect size tank for all diving types and all divers. Most aluminum scuba tanks are rated for 3000 psi.