R-488A Refrigerant - Traulsen G Series Service Manual

Note: Use the Dew temperatures when calculating superheat and bubble temperatures when calculating
subcooling.

1.5.3 R-488A Refrigerant

R-448A Refrigerant is a refrigerant Traulsen uses in low temperature applications. This refrigerant is a
zeotropic blend with a large temperature glide.
45 PSIG
50 PSIG
55 PSIG
60 PSIG
65 PSIG
70 PSIG
75 PSIG
80 PSIG
85 PSIG
90 PSIG
95 PSIG
100 PSIG
105 PSIG
110 PSIG
115 PSIG
Table 2 R-450 Refrigerant Pressure & Temperature Chart
57.3°F 56.2°F
61.8°F 60.7°F
66.1°F 64.9°F
70.1°F 68.9°F
73.9°F 72.7°F
77.5°F 76.4°F
81.0°F 79.9°F
84.4°F 83.2°F
87.6°F 86.4°F
90.6°F 89.5°F
93.6°F 92.5°F
96.5°F 95.3°F
99.3°F 98.1°F
102.0°F 100.8°F
104.6°F 103.4°F
9