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XOIIO's avatar

What is the max pressure a 14 oz bernzomatic style propane tank can hold?

Asked by XOIIO (18283points) February 15th, 2016

Been scouring the web for a bit but I haven’t found much helpful information, I’m trying to find out how much pressure one of those long, 14 oz bernzomatic style propane tanks, for small propane torches, can contain safely.

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5 Answers

elbanditoroso's avatar

I just looked on my Bernzomatic (14.1 oz)

228 is the service pressure, 286 is the test pressure.

printed right on he label on the blue canister.

XOIIO's avatar

Strange, maybe in Canada they just don’t need to print that info. That’s well within the limits for one of my projects, and probably a light air cannon too, but the main use would be setting up four or six of them together for a portable air tank, after draining them out, cleaning, drilling and tapping, etc.

I have some full ones but can’t bring myself to waste that much propane, even if it is cheap.

elbanditoroso's avatar

That is interesting. They’re made in Ohio, so I would think that they would bear US labels… but what do I know?

XOIIO's avatar

Yeah, they have the warning about not refilling them, and it being a federal offense under us code whateveritis, but no pressure rating, just the capacity.

LuckyGuy's avatar

The vapor pressure of propane at 50C is about 20 bar ~300 psi. .

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