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  1. 07-18-2008, 07:58 PM #1
    justadad1957
    justadad1957 is offline Regular Guest
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    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
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  2. 07-18-2008, 08:53 PM #2
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    Andy Schoen
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    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.
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  3. 07-18-2008, 09:00 PM #3
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    crackertech
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    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. 07-19-2008, 08:49 AM #4
    Ph-D
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    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.
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  5. 07-19-2008, 09:17 AM #5
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    Andy Schoen
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    Everything you really wanted to know about R-508B http://refrigerants.dupont.com/Suva/...pdf/h65138.pdf
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  6. 07-20-2008, 10:54 AM #6
    justadad1957
    justadad1957 is offline Regular Guest
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    my bad

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