Luxfer oxygen bottles

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T

timbo917

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Location
belgium
# of dives
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Hello,

I have two 2 litres oxygen bottles made by Luxfer in the 70’s. There are a lot of markings but can’t seem to determine which one is the alloy marking. Anyone can tell these are made from the bad alloy?

Tim
 

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More pics
 

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Looks like it has an original hydro from 1978, most likely it will be made from the 6351 aluminum alloy.
 

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