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Greg Bulling writes:

In Australia, the Faber tanks are stamped with a 232 bar (~3400psi) fill 
pressure.  My understanding is that the 15L Faber used here are the same 
tank as the Faber 95 used in the states, only filled to 2640 psi.
SNIP>

One way of seeing if it is the same tank with the same wall thickness is
if they are the same TARE weight.

Faber 15l/232bar tanks sold in the UK are stamped at about 16.3 to 16.6kg

I believe the Faber 95s are 37lbs (16.9kg), so it is likely they are the same
but de-rated to comply with US design standards.

I also recall seeing a message from Joan Coval (26/3) that Pressed Steel "HP"
120s are also 3500psi WP _and_ about 38lbs.  So maybe the US design standards
have been relaxed since the Faber 95s were brought out.

This is all assuming the same quality/alloy steel is used.  We could do with a
metallurgist to chip in about what different steel alloys can be used and their
effect on the rated WP.

Bill.Dyer@mi*.co*.uk*

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