Propane bottle

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Subject Author Date
Propane bottle theChas. 03-18-2007
Posted by theChas. on March 18, 2007, 11:13 am
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Soon I will be purchasing my first ever 20 pound propane bottle, for my
'forge under construction'. I have reason to believe some of them have a
flow restricting device installed.
If this is so, how does one make sure he is not getting such a bottle? Is
there lettering or some descriptive warning that such a bottle has this
safety device installed. I imagine there is no way to remove the device
from a full bottle without transfering the gas to another bottle first.
I will be running a Zoeller sidedraft 3/4" burner at max 10 psi, I
understand. I don't know the consumption for this burner, but I have read
that one does not want a bottle with a flow restrictor.
Any advice will be appreciated...thanks.



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Posted by spaco on March 18, 2007, 4:44 pm
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Make sure the bottle was mfr'd later than 2002. IIRC, they had the flow
restrictor in them from about 2000 to 2002. Shouldn't be a problem if
it is a new bottle from a place that moves their stock often. Tell the
seller that you need to run a weed burner. They put out about 500,000
btu/hr. That's about 5.5 gallons of propane per hour (500,000/90,000).
If in doubt, go to a company that sells propane.

10 psi doesn't tell the whole story, its the flow that is the issue.

You may need to put your 20# bottle into a tub of water to keep it from
freezing up if you run your forge for several hours at a time.

Pete Stanaitis
-----------------------------

theChas. wrote:
> Soon I will be purchasing my first ever 20 pound propane bottle, for my
> 'forge under construction'. I have reason to believe some of them have a
> flow restricting device installed.
> If this is so, how does one make sure he is not getting such a bottle? Is
> there lettering or some descriptive warning that such a bottle has this
> safety device installed. I imagine there is no way to remove the device
> from a full bottle without transfering the gas to another bottle first.
> I will be running a Zoeller sidedraft 3/4" burner at max 10 psi, I
> understand. I don't know the consumption for this burner, but I have read
> that one does not want a bottle with a flow restrictor.
> Any advice will be appreciated...thanks.
>
>
>

Posted by Kyle J. on March 18, 2007, 10:41 pm
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> Make sure the bottle was mfr'd later than 2002. IIRC, they had the flow
> restrictor in them from about 2000 to 2002. Shouldn't be a problem if it
> is a new bottle from a place that moves their stock often. Tell the
> seller that you need to run a weed burner. They put out about 500,000
> btu/hr. That's about 5.5 gallons of propane per hour (500,000/90,000).
> If in doubt, go to a company that sells propane.
>
> 10 psi doesn't tell the whole story, its the flow that is the issue.
>
> You may need to put your 20# bottle into a tub of water to keep it from
> freezing up if you run your forge for several hours at a time.
>
> Pete Stanaitis
> -----------------------------

You know, between the time I started and now I've come to the conclusion
that I over thought things in the beginning.
TheChas dude, you come up with stuff I never thought of. I bought one
brand new barbeque sized 5 gallon tank, filled it up and never had to give
it a second thought. A buddy of mine gave me an old crappy old style tank
and I took it to walmart and traded it in on an newer one full of fuel.
They charged me an extra twelve bucks 'cause the one I gave them was
outdated. Now I have two bottles that I keep a full one on reserve all the
time. Never have a problem with over cooling except when the bottle is
getting down to the last couple of gallons. I always think the bottle is
about done and find out I can only get 3.5 gallons or so back into it.
Maybe I could milk it along farther if I warmed it up but it isn't worth the
trouble. Go get a full one. As for PSI, I've been using a needle valve all
along. Later on I bought a used commercial forge and never did much like
it. I played around with the pressure valve a while and came to the
conclusion that it wasn't doing anything for me that the needle valve wasn't
already doing. Maybe sweating the details is part of the fun. I just want
a controllable atmosphere, efficient fuel consuption and a fire hot enough
to do the work I want it to. A good torch and a tight forge takes care of
that just fine. Knowing why things aren't working is helpfull when the time
comes.

GA



Posted by theChas. on March 19, 2007, 4:41 pm
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Thanks....
I went to the neighboring town to do my grocery shopping and checked
out the price at Walmart...$41.92 with no exchange. About $15.00 to refill.
Planned to get it at checkout, after I finished my shopping.
$26.00 must be the going rate, as one poster noted they charged him $12
because he had the old type bottle.
. ...Then I forgot to to buy the darn thing after my shopping.... . next
time...
. . . . . . . . . . . . . . . . . . . . . .. . .
> Make sure the bottle was mfr'd later than 2002. IIRC, they had the flow
> restrictor in them from about 2000 to 2002. Shouldn't be a problem if
> it is a new bottle from a place that moves their stock often. Tell the
> seller that you need to run a weed burner. They put out about 500,000
> btu/hr. That's about 5.5 gallons of propane per hour (500,000/90,000).
> If in doubt, go to a company that sells propane.
>
> 10 psi doesn't tell the whole story, its the flow that is the issue.
>
> You may need to put your 20# bottle into a tub of water to keep it from
> freezing up if you run your forge for several hours at a time.
>
> Pete Stanaitis
> >



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Posted by Prometheus on March 24, 2007, 6:33 pm
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On Mon, 19 Mar 2007 13:41:48 -0700, "theChas."

>Thanks....
> I went to the neighboring town to do my grocery shopping and checked
>out the price at Walmart...$41.92 with no exchange. About $15.00 to refill.
>Planned to get it at checkout, after I finished my shopping.
> $26.00 must be the going rate, as one poster noted they charged him $12
>because he had the old type bottle.
>. ...Then I forgot to to buy the darn thing after my shopping.... . next
>time...

I've been running a 20# tank in mine, and Pete is right when he
suggests floating it in a tub of water. I've had it running for
extended (8-10 hour) periods and frozen a shallow tub of water solid
long before emptying the tank. You can see the forge cooling down
when it starts to freeze up- but refilling the water tub with fresh
hot water out will get it back up and running pretty quickly.

One thing to consider if you're price checking is that a co-op will
usually sell propane for a little less than Wal-Mart (though they are
cheaper than the average gas station). I am guessing that you have
one in your area, especially considering that you had to go to the
neighboring town to get to a WalMart. What I did was buy a new tank
from Farm and Fleet for $26 (empty), and then took it to the farmer's
co-op in town where it can be refilled for $11, though I have
exchanged it at gas stations and WalMart once or twice because I work
nights and it is just more convenient sometimes.

Of course, with the freezing mentioned above, I have been searching
around for one of those semi-elusive 100# tanks. If you have the cash
and/or opportunity to nab a larger one, I would go for that- to save
trips to get them refilled, if nothing else.

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