On Feb 25, 4:41�pm, mm wrote:
On Mon, 25 Feb 2008 11:38:43 -0500, Jeff Wisnia





wrote:
mm wrote:
On Sun, 24 Feb 2008 17:00:40 -0500, Jeff Wisnia
wrote:

Actually I saw a device somewhere, a hose with connectors at the ends,
that enables one to re"fill" it from the 20 pound tank. � I don't know
if this is UL or otherwise approved, and I can't get my head around
whether it would have as much propane inside as a new can would, or
how much less.

Harbor Freight sells 'em. I've had one for years and refill my
Bernz-O-Matic style propane torch bottles from a grille tank using it.

IIRC there was some note that came with it saying something about not
taking refilled bottles across state lines.

I'm careful not to "overfill" those bottles I weighed a "full" newly
purchased one abd don't refill to any more weight than that.

A) Could it fill more than that? If the pressure when new in the small
tank is as much as the pressure in the large on when new (is it?), how
could you fill the small one to any higher pressure (and weight)?

If the large (grille) tank has been sitting outside in warm weather and
you put the small tank in the kitchen freezer for a while before filling
it, as mentioned in the instructions which came with the HF adaptor,
then there WILL be a pressure difference, at least until the small tank
gets as warm as the large tank.

I'm not saying that I ever actually "overfilled" a small tank that way.
I was just being curious and cautious and decided to weigh the refilled
tanks to be on the safe side. I realize that the Schraeder valve would
open and let gas vent out if the tank was totally filled with liquid and
subjected to a temperature increase, but that's not something I want
happening in my house. G

B) Do you have that kind of control? � Obviously you think you do, but
I'm surprised unless it fills slowly. �I thought there would be no
orifices in the hose, just a full size opening.

No small orifices, (and no hose either on the refiller I've got) but you
can "crack" the large tank's valve to regulate the liquid flow.

Jeff

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hey ship all the used tanks to me, i will take them all for free,
disable them and sell for scrap weekly.

nice side income