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Home > Archive > Heating and air conditioning > February 2006 > Recovery Cylinders
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Recovery Cylinders
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| J Galvin 2006-02-23, 8:21 pm |
| when the Recovery cylinder says WC125lbs, does that mean that it has the
capacity to hold 125lbs of refrigerant.
So if the TW is 63lbs the total weight full would be 188lbs?
I've asked a couple of suppliers and they can't seem to agree.
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| On Thu, 23 Feb 2006 14:26:46 -0500, "J Galvin"
<madmariner87@yahoo.com> wrote:
>when the Recovery cylinder says WC125lbs, does that mean that it has the
>capacity to hold 125lbs of refrigerant.
>So if the TW is 63lbs the total weight full would be 188lbs?
>I've asked a couple of suppliers and they can't seem to agree.
>
You have to take into account the weight of the tank empty and the
moisture content, offgasses, excess solids , temperature and any
contamination in the tank. This info then needs to be plugged into the
recovery cylinder tarr weight program. This program can be gotten from
most high pressure cylinder companies and scuba shops.
Sometimes you can etch the tank with a strong solution of muratic acid
along with an 80 grit belt sander to get the tank weight to match the
recovery cylinder tarr weight program.
Good Luck
Bubba
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| Tekkie® 2006-02-23, 11:21 pm |
| posted for all of us...
I don't top post - see either inline or at bottom.
> On Thu, 23 Feb 2006 14:26:46 -0500, "J Galvin"
> <madmariner87@yahoo.com> wrote:
>
>
> You have to take into account the weight of the tank empty and the
> moisture content, offgasses, excess solids , temperature and any
> contamination in the tank. This info then needs to be plugged into the
> recovery cylinder tarr weight program. This program can be gotten from
> most high pressure cylinder companies and scuba shops.
> Sometimes you can etch the tank with a strong solution of muratic acid
> along with an 80 grit belt sander to get the tank weight to match the
> recovery cylinder tarr weight program.
> Good Luck
> Bubba
>
I find putting some holes in lightens things up nicely. I prefer a blow torch
because a drill takes too long.
--
My boss said I was dumb and apathetic.
I said I don't know and I don't care...
Tekkie
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| Consider this
as you said total gross weight is 188#
but with "What Refrigerant"? each refrigerant
has different densities therefore, each refrigerant
will have different weight in same amount of displacement
which is your tank you storing refrigerant in.
Let me gave you another example and this is only example.
Assuming we are to use same tank for two
different let say R-22 and R-=404a.
and we are going to be looking at liquid side only!
R-22 at temperature 80F is 80% full
R-404a at same temperature is also 80% full
remember that liquid refrigerant expand with temperature
now we change temperature to 100F.
R-22 became 90% full
R-404a became 95% full
what would happen if we raise temperature to 150F?
remember liquid dose not compress and liquid is that
manufacture is concern about and not the gases
when they specified WC125# that is reference only
unless is specified for particular refrigerant to be use on.
"J Galvin" <madmariner87@yahoo.com> wrote in message
news:11vsj2lpf0f90bc@corp.supernews.com...
> when the Recovery cylinder says WC125lbs, does that mean that it has the
> capacity to hold 125lbs of refrigerant.
> So if the TW is 63lbs the total weight full would be 188lbs?
> I've asked a couple of suppliers and they can't seem to agree.
>
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