L6X® – carbon composite type 3 cylinders

Each ultra-lightweight L6X carbon composite oxygen cylinder has an inner liner made from Luxfer’s proprietary L6X alloy that is strengthened with an aerospace-grade carbon-fiber wrapping that completely surrounds the liner.

These extremely durable cylinders initially gained favor with firefighters who use them in self-contained breathing apparatus (SCBA). These cylinders are now also used by paramedics and other emergency first-responders. Because of their much lighter weight, compact size, higher capacity and excellent portability, Luxfer full-wrap cylinders are becoming popular in emergency and pre-hospital care, as well as for oxygen therapy, in which reduced weight and increased filling capacity provide significant advantages to ambulatory patients.

Medical – L6X Composite

Metric Imperial

Part number	Approval	Service pressure (bar)	Diameter (mm)	Length (mm)	Weight (kg)	Water volume (l)	Oxygen capacity (l)	Service life (years)	Thread size
L19C	EN	300	101	387	1.5	2	612	15	M18 x 1.5 CLASS 6H
L29C	EN	300	114	443	1.9	3	917	15	M18 x 1.5 CLASS 6H
M06D	DOT/TC	207	84	252	0.7	0.8	181	15	0.750-16 UNF
M09A	EN/DOT	207	101	233	0.9	1.1	242	15	0.625-18UNF-2B
M09B	DOT/KHK	207	84	310	0.8	1.1	244	15	0.750-16 UNF
M10C	EN	300	85	294	0.8	1	306	15	M18 x 1.5 CLASS 6H
M10J	TPED	300	85.9	291.3	0.85	1	305	NLL	17E
M10T	EN	300	85	290	0.82	1	305	15	17E
M15A	EN/DOT/TC	207	102	373	1.3	2	436	15	0.750-16 UNF
M19T	EN	300	101	386	1.43	2	611	15	17E
M22A	DOT/TC	207	114	394	1.5	2.8	612	15	0.750-16 UNF-2B
M24A	DOT/TC	207	114	441	2	3.1	682	15	0.750-16 UNF-2B
M66A	DOT/TC	207	173	526	4.2	8.5	1869	15	0.750-16 UNF-2B

Part number	Approval	Service pressure (psi)	Diameter (in)	Length (in)	Weight (lb)	Water volume (in³)	Oxygen capacity (ft³)	Service life (years)	Thread size
L19C	EN	4350	3.97	15.2	3.3	122	21.6	15	M18 x 1.5 CLASS 6H
L29C	EN	4350	4.5	17.45	4.1	183	32.4	15	M18 x 1.5 CLASS 6H
M06D	DOT/TC	3000	3.3	9.9	1.5	51	6.4	15	0.750-16 UNF
M09A	EN/DOT	3000	3.96	9.17	1.8	68	8.5	15	0.625-18UNF-2B
M09B	DOT/KHK	3000	3.3	12.2	1.7	68	8.6	15	0.750-16 UNF
M10C	EN	4350	3.34	11.58	1.8	61	10.8	15	M18 x 1.5 CLASS 6H
M10J	TPED	4350	3.38	11.47	1.87	61	10.8	NLL	17E
M10T	EN	4350	3.35	11.41	1.8	61	10.8	15	17E
M15A	EN/DOT/TC	3000	4	14.7	2.9	122	15.4	15	0.750-16 UNF
M19T	EN	4350	3.97	15.2	3.2	122	21.6	15	17E
M22A	DOT/TC	3000	4.5	15.5	3.3	171	21.6	15	0.750-16 UNF-2B
M24A	DOT/TC	3000	4.5	17.4	4.3	191	24.1	15	0.750-16 UNF-2B
M66A	DOT/TC	3000	6.8	20.7	9.3	521	66	15	0.750-16 UNF-2B

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