Re: CO2 induced corrosion
To: Aquatic-Plants at actwin_com
Subject: Re: CO2 induced corrosion
From: psears at emr_ca (Paul Sears)
Date: Tue, 16 Jan 1996 08:38:59 -0500 (EST)
In-Reply-To: <199601152039.PAA26268 at looney_actwin.com> from "Aquatic-Plants-Owner at actwin_com" at Jan 15, 96 03:39:01 pm
> From: Stephen.Pushak at saudan_HAC.COM
> Date: Mon, 15 Jan 96 10:17:52 PST
> Subject: Oxygen/CO2 regulators corrode?
> Jay Bickford wrote:
> > >> Most
> > >> regulators with gauges are designed for compressed oxygen
> > >> and the welding supply guy told me that the acidic CO2 gas
> > >> will corrode them.
> > >
> > I converted an old oxygen regulator to use as a CO2 regulator.
> > I suppose there could be some internal difference in the
> > regulator that I'm not aware of, but all of the welding
> > regulators I've ever seen have been made of brass, whether
> > they were set up for acetylene, oxygen, or CO2.
> Sorry for the confusion; I read my post later and realized it
> was misleading. Regulators are made of brass; the bourdon tube
> inside the gauge is steel and that's what the guy in the shop
> was referring to (I think). Wouldn't pure O2 also be just as
Neither CO2 or oxygen will be corrosive if dry, as they
certainly should be in a tank.
Paul Sears Ottawa, Canada