Help on faber steel ID

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PSUSciDiver

Contributor
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Location
Delray Beach Florida
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Hi guys, I need some help identifying this faber steel cylinder. The cylinder neck reads the following,

DOT-3AA-3000 94/9083/002 M8308 FABER 09^94+ SCUBAPRO.

I was told it's a 72cuft tank. Is this right? Would it be considered a HP72 or LP72? I'm sure the '3000' stands for 3000psi, do they make standeres pressure 72s? The pressure is confusing me.

Thanks for the help!
 
As Bob noted, it is a MP72 and a full 72cuft when filled to 3300psi as it is a 3000+ cylinder. They are about the same size as the LP66 which I like better because of their buoyancy characteristics. i.e. the MP72 are more negative.
 
As Bob noted, it is a MP72 and a full 72cuft when filled to 3300psi as it is a 3000+ cylinder. They are about the same size as the LP66 which I like better because of their buoyancy characteristics. i.e. the MP72 are more negative.

A follow up question on this old thread that will hopefully be seen by the responders. How did you actually know from the markings that its a 72 - is it the "9083/002" part?

I picked up a pair of similar tanks yesterday with the following markings:

DOT-3AA-3000 85/9039/104 M8303 FABER Italy 5^85+ SCUBAPRO
DOT-3AA-3000 85/9039/122 M8303 FABER Italy 5^85+ SCUBAPRO

What would 9039 be, and are 104 and 122 the serial numbers of tanks of that type produced in May of 1985?
 
Probably lot and tank numbers.


Bob
 
So is there a way to derive tank size from the lot/batch ID without contacting the manufacturer?
No and it would be better if you had length and diameter in addition to the codes on the crown.

But I see you have:
3AA = a steel cylinder
3000 = service pressure
85/9039/104 = lot and serial number
M8303 = code for Faber
"FABER" = also code for Faber lol
made in May of 1985
+ rating

The only 3AA 3000+ psi tanks Faber was making and marketing via scubapro in 1985 were MP72s. If you look down the chart that @Bob DBF linked to you'll see that a 3AA 3000+ tank is actually a very unusual cylinder in the scuba universe.
 
The only 3AA 3000+ psi tanks Faber was making and marketing via scubapro in 1985 were MP72s. If you look down the chart that @Bob DBF linked to you'll see that a 3AA 3000+ tank is actually a very unusual cylinder in the scuba universe.

I see! As a matter of fact that seems to be the only steel tank with that pressure rating. Thank you for pointing this out. Now I know what I have!

(I will measure them tonight to confirm they are 20.5" long and 6.75" in diameter).
 

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