Scuba Tank Sizes

There are many sizes of scuba tanks but you will find common standards throughout the industry.

Scuba tank sizes.

The al63 and the hp80 at 21 inches are a nice length for divers of smaller stature. This tank is the top choice for dive shops and dive resorts because they can buy them in bulk for cheap. Divers direct also carries the 40 cu ft 50 cu ft 63 cu ft and 100 cu ft. There are a lot of different types of tanks that can vary greatly regarding pressure and capacity.

Compiled by huron scuba snorkel adventure travel inc. The information below was compiled from a variety of sources including luxfer pressed steel tank catalina and oms. The standard aluminum 80 cubic foot cylinder is the most popular size for recreational divers worldwide. The steel hp100 at 24 inches in length seems a little better for the average diver and the fatter hp117 is also very manageable at 24 inches.

You can determine the size of your tank by looking at the markings on the crown of the tank. However you should never assume the size of your tank. Tank dimensions for most people the standard al80 at 26 inches in length is a bit too long to be comfortable. In metric system countries cylinders range from 1 to 4 litre pony bottles reserve cylinders to 6 to 15 litre main cylinders.

A cylinder s size and pressure rating determines its capacity. Standard psi in an aluminum scuba cylinder is 3000. A standard scuba tank usually holds 80 ft3 of air at 3 000 psi. The smaller 63 cubic foot tanks are a popular choice for students who are just learning to dive.