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Subject:Re: advice on new propane tank
From:David Beierl
Date:Wed, 22 Mar 2017 14:29:57 -0400

Talk to a real propane person.

Yrs,
d

On Wed, Mar 22, 2017 at 1:53 PM, Jim Felder <jim.felder@gmail.com> wrote:

> OK, a timely piece of information given that I just put on a new fill
> valve this morning and filled the tank. It was of course full of air since
> the valve was completely out of the tank. It is not filled with 3.32
> gallons of propane and obviously that much air, by volume anyway. I have
> not tried to light anything. Should I? Should I empty the tank almost out
> and fill again? The bleed valve was open during part of the fill.
>
> Thanks,
>
> Jim
>
>
> On Wed, Mar 22, 2017 at 8:10 AM David Beierl <dbeierl@attglobal.net>
> wrote:
>
>> They're full of air to start.  That's too lean to burn.  In use they're
>> full of propane which is too rich to burn.  You have to get a new tank
>> past
>> the point of containing an explosive mixture before you can use it or the
>> first time you light something it could flash back through the lines and
>> blow the tank apart.
>>
>> Yrs,
>> d
>>
>> On Wed, Mar 22, 2017 at 6:36 AM, Roman Haag <romanhaag@ymail.com> wrote:
>>
>> > So a new tank needs to be purged?  I did not know this.
>> >
>> > Sent from someone's plumbing
>> >
>> >
>> > > On Mar 22, 2017, at 01:37, David Beierl <dbeierl@ATTGLOBAL.NET>
>> wrote:
>> > >
>> > > Off the cuff -- I'd take it to any propane place to purge.  During
>> > purging
>> > > at some point there will be an explosive mixture in the tank, you
>> don't
>> > > want to be around if it finds a spark.
>> > >
>> > > Yrs,
>> > > d
>> > >
>> > >> On Tue, Mar 21, 2017 at 9:32 PM, gary hradek <hradek@yahoo.com>
>> wrote:
>> > >>
>> > >>
>> > >> I just bought a Worthington Pro Grade 4.25 lb. Empty Propane Tank
>> from
>> > >> Home Depot to use with my Colemanstove.   The 1 pound cylinders are
>> > >> nowclose to 8 dollars a piece.   I was goingto fill it from the 20
>> pound
>> > >> tank but they say something about purging it.   Can I just fill and
>> > empty
>> > >> it a few timeswith propane vapor before trying to fill it with the
>> > liquid
>> > >> by inverting the 20pound tank?   I am guessing there is acharge to
>> have
>> > it
>> > >> purged somewhere?
>> > >>
>> > >> Gary
>> > >>
>> > >>
>> >
>>
>