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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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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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 Originally Posted by justadad1957
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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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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my bad
i stand corrected it was r508b and i did find the temp chart for it
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