Common Cylinder Sizes
In scuba diving, the United States measures cylinder volume by the amount of free air that can be compressed into the cylinder; Europe measures the cylinder volume as the internal volume of the cylinder: e.g. United States 19 cubic feet = European 3 liter at 180 bar.
The below are example cylinder sizes and do not constitute an industry standard.
| Cyl. Size | Size* Diameter X Height (inches) Includes 5.5 inches for valve and cap. | Nominal* Tare Weight (lbs.) Includes 4.5 lbs. for valve and cap. | Water Capacity (lbs.) | Internal Volume @ 70°F (21°C), 1 ATM liters (cubic feet) | U.S. DOT Specs |
|---|---|---|---|---|---|
| 2HP | 9 x 51 | 187 | 43.3 (1.53) | 3AA3500 | |
| K | 9.25 X 60 | 135 | 110 | 49.9 (1.76) | 3AA2400 |
| A | 9 X 51 | 115 | 96 | 43.8 (1.55) | 3AA2015 |
| B | 8.5 X 31 | 60 | 37.9 | 17.2 (0.61) | 3AA2015 |
| C | 6 X 24 | 27 | 15.2 | 6.88 (0.24) | 3AA2015 |
| D | 4 X 18 | 12 | 4.9 | 2.24 (0.08) | 3AA2015 |
| AL | 8 X 53 | 52 | 64.8 | 29.5 (1.04) | 3AL2015 |
| BL | 7.25 X 39 | 33 | 34.6 | 15.7 (0.55) | 3AL2216 |
| CL | 6.9 X 21 | 19 | 13 | 5.9 (0.21) | 3AL2216 |
| XL | 14.5 X 50 | 75 | 238 | 108 (3.83) | 4BA240 |
| SSB | 8 X 37 | 95 | 41.6 | 18.9 (0.67) | 3A1800 |
| 10S | 4 X 31 | 21 | 8.3 | 3.8 (0.13) | 3A1800 |
| LB | 2 X 15 | 4 | 1 | 0.44 (0.016) | 3E1800 |
| XF | 12 X 46 | 180 | 60.9 (2.15) | 8AL | |
| XG | 15 X 56 | 149 | 278 | 126.3 (4.46) | 4AA480 |
| XM | 10 X 49 | 90 | 120 | 54.3 (1.92) | 3A480 |
| XP | 10 X 55 | 55 | 124 | 55.7 (1.98) | 4BA300 |
| QT | 3 X 14 includes 4.5 inches for valve | 2.5 includes 1.5 lbs for valve | 2.0 | 0.900 (0.0318) | 4B-240ET |
| LP5 | 12.25 X 18.25 | 18.5 | 47.7 | 21.68 (0.76) | 4BW240 |
| Medical E | 4 x 26 excludes valve and cap | 14 excludes valve and cap | 4.5 (0.16) | 3AA2015 |
Read more about this topic: Gas Cylinder
Famous quotes containing the words common and/or cylinder:
“For we brought nothing into this world, and it is certain we can carry nothing out.”
—Bible: New Testament St. Paul, in 1 Timothy, 6:7.
The words also appear in the Book of Common Prayer, “Burial of the Dead.”
“The outline of the city became frantic in its effort to explain something that defied meaning. Power seemed to have outgrown its servitude and to have asserted its freedom. The cylinder had exploded, and thrown great masses of stone and steam against the sky.”
—Henry Brooks Adams (1838–1918)