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  1. #1
    Join Date
    Dec 2006
    Location
    iowa
    Posts
    14

    pressure temp chart for r507b

    anyone have a link to finding a temp pressure char for refrigerant r507b. before my gauges go on i should have a idea of what pressures I might read at 70 degress below zero farenheight. thanks in advance

  2. #2
    Join Date
    Apr 2002
    Location
    Dallas, TX
    Posts
    2,987
    R-507B doesn't exist, at least last I checked...

    Did you mean R-407B? It has been quite some time since I've seen it.

  3. #3
    Join Date
    Sep 2005
    Location
    florida
    Posts
    5,503
    Quote Originally Posted by justadad1957 View Post
    anyone have a link to finding a temp pressure char for refrigerant r507b. before my gauges go on i should have a idea of what pressures I might read at 70 degress below zero farenheight. thanks in advance
    Did you mean 507 A never heard of 507 B.?
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  4. #4
    Join Date
    Dec 2006
    Location
    Somewhere in Canada
    Posts
    84

    R-507b ?

    At minus 70F I believe you mean R-508B, and that refrigerant is also know as SUVA 95 and can be purchased at any refrigerant wholesaler selling DuPont refrigerant. P/T charts are also in the ASHRAE Fundamental Handbook.

  5. #5
    Join Date
    Apr 2002
    Location
    Dallas, TX
    Posts
    2,987
    Everything you really wanted to know about R-508B http://refrigerants.dupont.com/Suva/...pdf/h65138.pdf

  6. #6
    Join Date
    Dec 2006
    Location
    iowa
    Posts
    14

    my bad

    i stand corrected it was r508b and i did find the temp chart for it

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