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Hey Frank, The Thread-O-Lets are tough. Cliff used them on his
R300. I've found them in 316 SS now, like the ones linked below.
The most common couplings we use here at the SS tank manufacturing
company are half couplings, with just a set of threads on the outside of the
tank. You might find it interesting to know we are going to build a 60" OD
by 16' long SS tank with 2 to 1 heads, for a client here shortly. The welding
robot will be really slick for that tank. My friend that owns the shop is
planning on building a welding robot that can weld both the heads on a
tank at the same time.
" I was
married by a judge. I should have asked for a jury. " - Groucho
Marx
Regards,
Brent
From: ShellyDalg@aol.com
Sent: Saturday, August 15, 2009 10:33 AM
Subject: Re: [PSUBS-MAILIST] Coupling Thru Hulls Hi Brent. Ya, it doesn't make much difference, nipple or coupling. I think
propane tanks use the coupling or more correctly a "weld o let" ( not sure of
the spelling) so the valves and dip tubes can just thread into them. No use for
a nipple there. Frank D.
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