Scuba Tank Sizes

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

Scuba tank sizes.

This tank is the top choice for dive shops and dive resorts because they can buy them in bulk for cheap. In metric system countries cylinders range from 1 to 4 litre pony bottles reserve cylinders to 6 to 15 litre main cylinders. 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. A cylinder s size and pressure rating determines its capacity.

80 cubic foot tanks are the most popular among recreational divers and are also the most commonly found tanks on the water. The smaller 63 cubic foot tanks are a popular choice for students who are just learning to dive. The standard aluminum 80 cubic foot cylinder is the most popular size for recreational divers worldwide. There are a lot of different types of tanks that can vary greatly regarding pressure and capacity.

The al63 and the hp80 at 21 inches are a nice length for divers of smaller stature. Standard psi in an aluminum scuba cylinder is 3000. You can determine the size of your tank by looking at the markings on the crown of the tank. The information is believed to be accurate but is not guaranteed.

However you should never assume the size of your tank. Tanks from north america have capacities that range from 6 to 40 cubic foot pony bottles reserve cylinders to 45 to 150 cubic foot main cylinders. Divers direct also carries the 40 cu ft 50 cu ft 63 cu ft and 100 cu ft. The information below was compiled from a variety of sources including luxfer pressed steel tank catalina and oms.