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Thread: R11 Refrigerant Replacement ??

  1. 02-12-2009, 05:17 PM #1
    MeltedDuron
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    R11 Refrigerant Replacement ??

    I'm looking at building a unit but had speced it with R11. Just don't ask why as I'm not willing too share that info yet!

    However, I Googled and R11 comes up saying it's being replaced, however (again) when I try to find with what i have no joy in the matter.

    So per topic, what is the R11 refrigerant replacement

    Thanks
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  2. 02-12-2009, 05:23 PM #2
    mytekcontrols
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    HFC-245fa is somewhat close at 15.3 C boiling point (R11 = 23.6C). However it will require good oil separation and POE oil, something that would not have been a concern with R11 due to its high solubility with all kinds of oil.
    Michael St. Pierre

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  3. 02-12-2009, 10:01 PM #3
    aenigma
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    Autocascade?
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  4. 02-13-2009, 01:48 AM #4
    godmod
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    Due to a PDF i found googleing R123 (BP 27,9°C) should be a replacement for R11.
    Maybe also R141B with a BP of 32°C.

    It is not that hard to find something
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  5. 02-13-2009, 03:17 AM #5
    tiborrr
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    R123 is a HCFC, banned from use in newer builds (officially, hehe :P). But that would be my refrigerant of choice.


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  6. 01-15-2010, 01:32 PM #6
    Triplepoint
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    R11 replacement

    R245fa is available from BOC Special gases. Full info on their website http://www.boconline.co.uk/health/sa...ntific_sds.asp
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  7. 01-15-2010, 03:12 PM #7
    ruffus
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    i had read some where that u could use the gas out of a fe36 fire extinguiser it is the r245fa that u need here is a msds on those extinguiser
    http://msds.dupont.com/msds/pdfs/EN/...2f8000618c.pdf
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  8. 01-15-2010, 03:13 PM #8
    ruffus
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    as well here its pdf
    http://www2.dupont.com/FE/en_US/asse...pdf/h99876.pdf
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  9. 01-15-2010, 03:24 PM #9
    ruffus
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    as well if any one is looking for samll amounts of r23 u can use the fe13 one here is its pdf
    http://www2.dupont.com/FE/en_US/products/fe13.html
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