Help on faber steel ID

[PSUSciDiver]

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!

 

[Bob DBF]

It probably is an MP 72, and a great little tank. A buddy had a couple and I miss them since he moved.

This link is for tank specifications, and you can compare your tank to the specs.

http://www.indianvalleyscuba.com/se...ction/information/CYLINDER SPECIFICATIONS.pdf


Bob

 

[PSUSciDiver]

Thanks for the link Bob!

 

[Bob DBF]

One note, the list is not a complete list of all tanks made, only the ones that have been compiled. Every once and a while someone comes up with a tank not on the list. They left off one of my favorites, and one of the most numerous tanks made, the old steel 72.

Another list:

Scuba Cylinder Specification Chart from Huron Scuba, Ann Arbor Michigan


Bob

 

[Scared Silly]

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.

 

[Scuba-74]

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?

 

[Bob DBF]

Probably lot and tank numbers.


Bob

 

[Scuba-74]

Probably lot and tank numbers.

So is there a way to derive tank size from the lot/batch ID without contacting the manufacturer?

 

[rjack321]

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.

 

[Scuba-74]

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).