L6X® – aluminum type 1 cylinders

In 1988, Luxfer introduced SCUBA tanks manufactured from L6X®, a proprietary formula of aluminum alloy 6061-T6 developed by Luxfer metallurgists to provide superior corrosion-resistance and dependable performance in the most demanding underwater environments.

Compared to conventional alloys, L6X has been optimized to improve durability, fracture toughness and resistance to cracking and tearing, even under high pressures over long periods. More than 50 million Luxfer cylinders manufactured from L6X alloy have an exemplary record for safety, long service life and reliable performance.

SCUBA – L6X Aluminium [EU]

Metric Imperial

Part number	Standard	Service pressure (bar)	Test pressure (bar)	Diameter (mm)	Length (mm)	Weight (kg)	Water volume (l)	Thread size
A971/1/Y	PED	232	348	50	227	0.39	0.25	0.625-18UNF
A437/1/Y	PED	300	450	60	250	0.85	0.35	M18
A887/1/Y	PED	232	348	60	255	0.7	0.4	M18
A970/1/Y	PED	232	348	60	255	0.7	0.4	0.625-18UNF
A275/1/Y	PED	200	300	68	245	0.84	0.5	M18
A919/1/Y	PED	200	300	81	267	1.17	0.8	M18
A424/1/Y	PED	200	300	102	240	1.68	1	M18
A885/1/Y	PED	232	348	111	295	2.7	1.5	M25
A896/1/Y	PED	232	348	111	295	2.7	1.5	M18
A498/1/Y	PED	200	300	102	394.5	2.7	2	M18
P3272V	PED	200	300	117	420	3.7	2.7	M18
P3174V	PED	232	348	111	515	4.5	3	M25
P3403V	PED	207	311	140	585	7.2	5.7	M25
P3258V	PED	200	300	152	595	8.61	7	M25
P3404V	PED	217	326	180	660	13.7	10.6	M25
P3405V	PED	217	326	180	660	13.7	10.6	0.750-14 NPSM
P3080V	PED	200	300	204	612	16.5	12	M25
P3401V	PED	232	348	203	560	16.1	10.4	0.750-14 NPSM

Part number	Standard	Service pressure (psi)	Test pressure (psi)	Diameter (in)	Length (in)	Weight (lb)	Water volume (in³)	Thread size
A242/1/N	PED	2901	4351	2	7.2	0.6	12.2	M14
A960/1/Y	PED	2901	4351	2	7.5	0.7	12.2	0.625-18UNF
A971/1/Y	PED	3365	5047	2	8.9	0.9	15.3	0.625-18UNF
A437/1/Y	PED	4351	6527	2.4	9.8	1.9	21.4	M18
A887/1/Y	PED	3365	5047	2.4	10	1.5	24.4	M18
A275/1/Y	PED	2901	4351	2.7	9.6	1.6	30.5	M18
A919/1/Y	PED	2901	4351	3.6	10.5	2.6	48.8	M18
A424/1/Y	PED	2901	4351	4	9.4	3.7	61	M18
A885/1/Y	PED	3365	5047	4.4	11.6	6	91.5	M25
A896/1/Y	PED	3365	5047	4.4	11.6	6	91.5	M18
A498/1/Y	PED	2901	4351	4	15.5	6	122	M18
P3272V	PED	2901	4351	4.6	16.5	8.2	164.8	M18
P3174V	PED	3365	5047	4.4	20.3	9.9	183.1	M25
P3403V	PED	3002	4511	5.5	23	15.9	347.8	M25
P3258V	PED	2901	4351	6	23.4	19	427.2	M25
P3404V	PED	3417	4728	7.1	26	30.2	646.9	M25
P3405V	PED	3417	4728	7.1	26	30.2	646.9	0.750-14 NPSM
P3080V	PED	2901	4351	8	24	36.4	732.3	M25
P3401V	PED	3365	5047	8	22	35.5	634.7	0.750-14 NPSM

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