Daikin R-22 Refrigerant Piping Design Manual page 70

Figure 29: R-22 Suction Gas Velocity – SI
Figure 29 is based on 4.4°C suction temperature and 41°C condensing temperature. For other conditions, apply correction factors
from Table 50.
Table 50: R-22 Suction Gas Velocity Correction Factors – SI
Condenser
Temp (°C)
-12 .2
29.5 1.63
32.2 1.67
35.0 1.71
37.8 1.75
40.6 1.79
43.4 1.84
46.1 1.89
48.9 1.94
51.7 1.99
54.5 2.05
57.3 2.12
60.0 2.19
62.8 2.27
AG 31-011 • REFRIGERANT PIPING DESIGN
-9 .4 -6 .7 -3 .9
1.48 1.34 1.21
1.51 1.37 1.24
1.54 1.40 1.27
1.58 1.43 1.30
1.62 1.46 1.33
1.66 1.50 1.36
1.70 1.54 1.39
1.75 1.58 1.43
1.80 1.63 1.47
1.85 1.67 1.52
1.91 1.73 1.56
1.97 1.78 1.61
2.04 1.84 1.67
Suction Temperature (°C)
-1 .1 1 .7
1.10 1.00
1.13 1.02
1.15 1.05
1.18 1.07
1.20 1.10
1.24 1.12
1.27 1.15
1.30 1.18
1.34 1.22
1.38 1.25
1.42 1.29
1.46 1.33
1.51 1.37
70
4 .5 7 .2 10 .0
0.92 0.84 0.76
0.93 0.85 0.78
0.95 0.87 0.80
0.98 0.89 0.82
1.00 0.91 0.83
1.02 0.94 0.86
1.05 0.96 0.88
1.08 0.98 0.90
1.11 1.01 0.92
1.14 1.04 0.95
1.17 1.07 0.98
1.21 1.10 1.01
1.25 1.14 1.04
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