Pt Chart 404a
Temperature pressure chart at sea level to determine subcooling for r 404a use bubble point values temperatures above 50 f gray background.
Pt chart 404a. As safe as your standard hfc refrigerants like r 134a or r 404a this is a big point of note as most hfo refrigerants are either flammable or slightly flammable but 449a is not. There had to be a replacement for the ozone damaging refrigerants of the past and the successor was the hfc r 404a that we all know of today. Refrigerant pressure temperature chart use the open or close icons to see the descriptions below with the icons.
Forane 404a pressure temperature chart keywords. Pressure values are displayed for r 22 r 410a r 407c r 134a and r 404a refrigerants. Liquid density at 0 f.
Pressure temperature chart at altitude 5 000 feet above sea level bubble point dew point. Psig temperature f blue lime green medium brown lime green orange reddish purple refrigerant sporlan code 438a v 407a v 407c n 422d v 404a s 408a s 5 48 52 48 51 64 62 4 46 50 47 50 63 61 3 44 49 45 48 61 59 2 43. Red italics indicate inches of mercury below atmospheric pressure saturation pressure temperature data for r404a psig.
Forane 404a pressure temperature chart author. To determine superheat for r 404a use dew point values temperatures 50 f and below. By alec johnson apr 21 2020.
R404a pressure temperature chart 14 9 28 8 27 119 92 9 16 8 15 118 19 16 9 82 8 81 127 74 9 70 8 69 125 97 18 10 39 9 37 135 89 10 26 9 25 134 08. Refrigerant r 404a pressure temperature chart 0 7 137 0 139 9 14 29 05 48 4 798 93 9 95 5 179 3 177 7 4 8 96 5 98 1 7 116 5 118 9 13 26 12 117 11 693 82 5 83 8 190 7 189 3 11 7 89 6 91. Exceeds critical temperature vacuum inches of mercury bold italic figures pressure pounds per square inch gauge.
R 404a rose to prominence in the late 1990 s with the phasing out of cfc and hcfc refrigerants like r 12 and r 502. R 449a xp40 opteon refrigerant pressure temperature pt chart.