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-   -   New CO2 cylinder (http://www.homebrewtalk.com/f35/new-co2-cylinder-244742/)

rcrabb22 05-10-2011 05:29 PM

New CO2 cylinder
Does a brand new CO2 cylinder need to be purged with CO2 on first fill?

heferly 05-10-2011 05:43 PM

don't really understand your question...when you bring it in to get filled, they fill it, you pay...that's all i've worried about!

malkore 05-10-2011 10:41 PM

I understand the question. I believe you're asking this because when you buy a brand new propane tank and have it filled, they do some little purge test thing, mainly I think to purge air and moisture inside the tank.

I don't think they do that with CO2 maybe because its non-flammable?

RichmonS 05-11-2011 01:05 AM

They do not purge the tank. Unlike the propane example CO2 is not a gas in the tank but a liquid.

Yuri_Rage 05-11-2011 01:07 AM

Propane is also a liquid when stored under pressure in a tank.

A good shop will pull a vacuum on a completely empty tank before filling it with gas (CO2, Ar, He, N2, etc).

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