Cylinder Types/Sizes

High-Pressure Aluminum Compressed Gas Cylinder Sizes

Cylinder Size	47AL	30AL	16AL	7AL	3AL	1AL
DOT Specification	3AL	3AL	3AL	3AL	3AL	3AL
Service Pressure (psig)	2216	2015	2216	2216	2015	2216
Approximate Capacity (cubic feet)	244	141	83	31	8	5
Approximate Capacity (liters)	6909	3993	2350	878	227	142
Outside Diameter (inches)	9.8	8	7.25	6.9	4.4	3.2
Height (inches)	51.9	47.9	33	15.6	10.5	11.7
Tare Weight (lbs.)	90	48	30	15	3.5	2.3
Internal Water Volume (cubic inches)	2831	1800	958	360	103	61
Internal Water Volume (liters)	46.4	29.3	15.7	5.9	1.7	1

Cylinder Size	50	49	44	44H	44HH	16	7	3	LB/LBX
DOT Specification	9809-1	3AA	3AA	3AA	3AA	3AA	3AA	3AA	3E
Service Pressure (psig)	2900	2400	2265	3500	6000	2015	2015	2015	1800
Approximate Capacity (cubic feet)	335	277	232	338	433	76	33	14	2
Approximate Capacity (liters)	9373	7844	6570	9571	12261	2152	934.6	396.5	53.8
Outside Diameter (inches)	9	9.25	9	10	10	7	6.25	4.25	2
Height (inches)	58.2	55	51	51	51	32.5	18.5	16.75	12
Tare Weight (lbs.)	130	143	133	189	303	63	28	11	3.5
Internal Water Volume (cubic inches)	3051	2990	2685	2607	2383	976	427	183	27
Internal Water Volume (liters)	50	49	44	44	43	16	7	3	0.4