TEMPERATURE PRESSURE CHART - at sea level
To determine subcooling for R-404A use BUBBLE POINT values (Temperatures above 50°F — Gray Background); to determine superheat for R-404A, use DEW POINT values (Temperatures 50°F and below).
** = exceeds critical temperature
Vacuum-Inches of Mercury
Bold Italic Figures
Pressure-Pounds Per
Square Inch Gauge
FORM IC-11-09 COPYRIGHT 2009 BY SPORLAN VALVE COMPANY, WASHINGTON, MO 63090 Printed in U.S.A.
TEMPERATURE REFRIGERANT (SPORLAN CODE)
(°F) (°C) 134a (J) 404A (S) 507 (P) 717 (A) 744 - CO
2
-60 -51.1
21.8 7.3 5.8 18.6
79.9
-55 -48.3
20.3 3.9 2.2 16.6
91.1
-50 -45.6
18.7 0.1
0.9
14.3
103.4
-45 -42.8 16.9 2.0 3.0 11.7 116.6
-40 -40.0
14.8
4.3 5.4
8.8
131.0
-35 -37.2 12.5 6.8 8.1 5.4 146.5
-30 -34.4
9.8
9.6 11.0
1.6
163.1
-25 -31.7
6.9
12.7 14.1 1.3 181.0
-20 -28.9
3.7
16.0 17.6 3.6 200.2
-18 -27.8 2.3 17.4 19.1 4.6 208.3
-16 -26.7 0.8 18.9 20.6 5.6 216.5
-14 -25.6 0.4 20.4 22.2 6.7 225.0
-12 -24.4 1.1 22.0 23.8 7.8 233.8
-10 -23.3 1.9 23.6 25.5 9.0 242.7
-8 -22.2 2.8 25.3 27.3 10.3 251.9
-6 -21.1 3.6 27.0 29.1 11.5 261.3
-4 -20.0 4.6 28.8 30.9 12.9 271.0
-2 -18.9 5.5 30.7 32.8 14.3 280.9
0 -17.8 6.5 32.6 34.8 15.7 291.0
1 -17.2 7.0 33.6 35.8 16.4 296.2
2 -16.7 7.5 34.6 36.9 17.2 301.5
3 -16.1 8.0 35.6 37.9 18.0 306.8
4 -15.6 8.5 36.6 39.0 18.8 312.1
5 -15.0 9.1 37.7 40.1 19.6 317.6
6 -14.4 9.6 38.7 41.1 20.4 323.1
7 -13.9 10.2 39.8 42.3 21.2 328.6
8 -13.3 10.8 40.9 43.4 22.1 334.2
9 -12.8 11.3 42.0 44.5 22.9 339.9
10 -12.2 11.9 43.1 45.7 23.8 345.7
11 -11.7 12.5 44.3 46.9 24.7 351.5
TEMPERATURE REFRIGERANT (SPORLAN CODE)
(°F) (°C) 134a (J) 404A (S) 507 (P) 717 (A) 744 - CO
2
12 -11.1 13.1 45.4 48.1 25.6 357.4
13 -10.6 13.8 46.6 49.3 26.5 363.4
14 -10.0 14.4 47.8 50.5 27.5 369.5
15 -9.4 15.0 49.0 51.8 28.4 375.6
16 -8.9 15.7 50.2 53.0 29.4 381.8
17 -8.3 16.4 51.5 54.3 30.4 388.0
18 -7.8 17.0 52.7 55.6 31.4 394.3
19 -7.2 17.7 54.0 56.9 32.4 400.7
20 -6.7 18.4 55.3 58.3 33.5 407.2
21 -6.1 19.1 56.6 59.6 34.6 413.8
22 -5.6 19.9 58.0 61.0 35.7 420.4
23 -5.0 20.6 59.3 62.4 36.8 427.1
24 -4.4 21.3 60.7 63.8 37.9 433.8
25 -3.9 22.1 62.1 65.3 39.0 440.7
26 -3.3 22.9 63.5 66.7 40.2 447.6
27 -2.8 23.7 64.9 68.2 41.4 454.6
28 -2.2 24.5 66.4 69.7 42.6 461.7
29 -1.7 25.3 67.8 71.2 43.8 468.8
30 -1.1 26.1 69.3 72.7 45.0 476.1
31 -0.6 26.9 70.8 74.3 46.3 483.4
32 0.0 27.8 72.4 75.9 47.6 490.8
33 0.6 28.6 73.9 77.5 48.9 498.3
34 1.1 29.5 75.5 79.1 50.2 505.8
35 1.7 30.4 77.1 80.7 51.6 513.4
36 2.2 31.3 78.7 82.4 52.9 521.2
37 2.8 32.2 80.3 84.1 54.3 529.0
38 3.3 33.1 82.0 85.8 55.7 536.9
39 3.9 34.1 83.7 87.5 57.2 544.8
40 4.4 35.0 85.4 89.2 58.6 552.9
41 5.0 36.0 87.1 91.0 60.1 561.0
TEMPERATURE REFRIGERANT (SPORLAN CODE)
(°F) (°C) 134a (J) 404A (S) 507 (P) 717 (A) 744 - CO
2
42 5.6 37.0 88.8 92.8 61.6 569.3
43 6.1 38.0 90.6 94.6 63.1 577.6
44 6.7 39.0 92.4 96.5 64.7 586.0
45 7.2 40.1 94.2 98.3 66.3 594.5
46 7.8 41.1 96.0 100.2 67.9 603.1
47 8.3 42.2 97.9 102.1 69.5 611.7
48 8.9 43.2 99.8 104.1 71.1 620.5
49 9.4 44.3 101.7 106.0 72.8 629.3
50 10.0 45.4 103.6 108.0 74.5 638.3
55 12.8 51.2 115.3 118.3 83.4 684.4
60 15.6 57.4 126.0 129.2 92.9 733.1
65 18.3 64.0 137.3 140.7 103.2 784.2
70 21.1 71.1 149.3 153.0 114.2 838.1
75 23.9 78.7 162.0 165.9 125.9 894.9
80 26.7 86.7 175.4 179.6 138.4 954.9
85 29.4 95.2 189.5 194.1 151.8 1018
90 32.2 104.3 204.5 209.3 166.1 **
95 35.0 113.9 220.2 225.4 181.2 **
100 37.8 124.2 236.8 242.3 197.3 **
105 40.6 135.0 254.2 260.1 214.4 **
110 43.3 146.4 272.5 278.8 232.5 **
115 46.1 158.4 291.8 298.5 251.6 **
120 48.9 171.2 312.1 319.2 271.9 **
125 51.7 184.6 333.3 340.9 293.3 **
130 54.4 198.7 355.6 363.8 315.8 **
135 57.2 213.6 379.1 387.8 339.6 **
140 60.0 229.2 403.7 413.0 364.7 **
145 62.8 245.7 429.6 439.5 391.0 **
150 65.6 262.9 456.8 467.4 418.7 **
155 68.3 281.0 485.5 497.0 447.8 **