Robert C Townsend wrote:
> Al, Al, Al... how about a name, manufacturer, distributor, prices,
> SOMEthing... I'm about to take out a second mortgage to get one of these
> ASME tanks...
>
> BTW, I had an email reply yesterday - direct from Worthington - that there
> ain't no such thing as a horizontal tank with a side-mounted OPD valve...
> your news is big news for '40's Airstream folk, if they have side-mounted
> valves...
>
> Tuna
>
Well, yes and no. Worthington doesn't make horizontal tanks as I recall. The
supplier to the RV industry is Manchester. The motorhome side mounted tanks do
have a bulk fill fitting that has an Overfill Protection Device (a float
shutoff) built into it. They have for over 10 years that I know of. The
semantics however are that the horizontal tank device is just that, overfill
protection. On the DOT vertical tanks OPD stands for a whole series of changes
built into the valve including flow restrictor, low outlet pressure shutoff, and
overtemperture shutoff.
Charlie
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