Aluminum cylinder serial numbers and markings

Friday, 22 November 2002

	MARK	EXPLANATION
1st Row
	TC or CTC	Transport Canada

	3ALM	Aluminum specification (Canada)

	124	Service pressure (bar)

	T11.3KG	Tare weight (Kilograms)

	MARK	EXPLANATION
2nd Row
	DOT	US Department of Transportation

	3AL	Aluminum specification (USA)

	1800	Service pressure (PSI)

	U372530	Serial number

	LUXFER or M####	Manufacturing plant identifier

	MARK	EXPLANATION
3rd Row
	01	Month of manufacture

	A	Mark of independent inspector

	98	Year of manufacture

	20#C02	C02 capacity

	TW24.9	Tare weight (LBS)

Stamping layouts have changed slightly over the years. If in doubt, please contact customer service.