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time2dive
Vintage Diver
Posts: 84
Joined: Thu Jul 06, 2006 8:21 am
Location: Big Island, Hawaii
Contact: Website

Tank size

Fri Jan 22, 2021 7:46 pm

I have a couple of old steel cylinders that I am unsure of the tank volume. They are 6"x20.5", the pressure is 2015psi, the manufacture is PST. I am thinking about adding them as another set of old doubles unless I can find a third cylinder and a triple manifold. I know what size they aren't.
Cranky old man, diver, photographer, scarer of children
http://www.kona-hydrostatic-testing.com/

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captain
Plank Owner
Posts: 1440
Joined: Mon Jul 04, 2005 11:32 am
Location: LaPlace, LA

Re: Tank size

Sat Jan 23, 2021 10:49 am

That sounds like they are possibly military surplus oxygen or co2 cylinders. What are the neck threads size. 6" diameter is probably a bit much for triples.
Captain

User avatar
time2dive
Vintage Diver
Posts: 84
Joined: Thu Jul 06, 2006 8:21 am
Location: Big Island, Hawaii
Contact: Website

Re: Tank size

Tue Feb 02, 2021 12:12 am

They are standard 3/4" valves.
Cranky old man, diver, photographer, scarer of children
http://www.kona-hydrostatic-testing.com/

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