Appendix 3 - Refrigerant Piping Tables (Si) - Daikin R-22 Refrigerant Piping Design Manual

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Appendix 3 – Refrigerant Piping Tables (SI Units)
Table 31: Copper Tube Data – SI
Wall
Diameter
Nominal
Type
Diameter
(mm)
K
1.24
12
L
0.89
K
1.24
15
L
1.02
K
1.24
18
L
1.07
K
1.65
22
L
1.14
K
1.65
28
L
1.27
K
1.65
35
L
1.40
K
1.83
42
L
1.52
K
2.11
54
L
1.78
K
2.41
67
L
2.03
K
2.77
79
L
2.29
K
3.05
92
L
2.54
K
3.40
105
L
2.79
K
4.06
130
L
3.18
K
4.88
156
L
3.56
K
6.88
206
L
5.08
ASHRAE Handbook HVAC Systems And Equipment, Chapter 41, 2004.
© American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.,
www.DaikinApplied.com
Surface
Cross
Diameter
Area
Section
Outside D,
Insided
Outside
(mm)
(mm)
(m²/m)
12.70
10.21
0.040
12.70
10.92
0.040
15.88
13.39
0.050
15.88
13.84
0.050
19.05
16.56
0.060
19.05
16.92
0.060
22.23
18.92
0.070
22.23
19.94
0.070
28.58
25.27
0.090
28.58
26.04
0.090
34.93
31.62
0.110
34.93
32.13
0.110
41.28
37.62
0.130
41.28
38.23
0.130
53.98
49.76
0.170
53.98
50.42
0.170
66.68
61.85
0.209
66.68
62.61
0.209
79.38
73.84
0.249
79.38
74.80
0.249
92.08
85.98
0.289
92.08
87.00
0.289
104.78
97.97
0.329
107.78
99.19
0.329
130.18
122.05
0.409
130.18
123.83
0.409
155.58
145.82
0.489
155.58
148.46
0.489
206.38
192.61
0.648
206.38
196.22
0.648
Weight
Working Pressure ASTM B88 To 120°C
Inside
Metal Area
Flow Area
(m²/m)
(mm²)
0.0320
45
0.0344
33
0.0421
57
0.0436
48
0.0521
70
0.0530
60
0.0594
106
0.0628
75
0.0792
139
0.0817
109
0.0994
173
0.1009
147
0.1183
226
0.1201
190
0.1564
343
0.1585
292
.01942
487
0.1966
413
0.2320
666
0.2350
554
0.2701
852
0.2733
714
0.3078
1084
0.3115
895
0.3834
1610
0.3889
1266
0.4581
2309
0.4663
1698
0.6050
4314
0.6163
3212
www.ashrae.org
59
AG 31-011 • REFRIGERANT PIPING DESIGN
Tube
Annealed
(mm²)
(kg/m)
(MPa)
82
0.400
6.164
94
0.295
4.399
141
0.512
4.930
151
0.424
4.027
215
0.622
4.109
225
0.539
3.523
281
0.954
4.668
312
0.677
3.234
502
1.249
3.634
532
0.973
2.792
785
1.543
2.972
811
1.316
2.517
1111
2.025
2.786
1148
1.701
2.324
1945
3.070
2.455
1997
2.606
2.069
3004
4.35
2.275
3079
3.69
1.917
4282
5.96
2.193
4395
4.95
1.813
5806
7.62
2.082
5944
6.39
1.738
7538
9.69
2.041
7727
8.00
1.675
11699
14.39
1.965
12042
11.32
1.531
16701
20.64
1.972
17311
15.18
1.434
29137
38.56
2.096
30238
28.71
1.544
Drawn
(MPa)
11.556
8.253
9.246
7.543
7.702
6.605
8.757
6.061
6.812
5.240
5.571
4.716
5.226
4.351
4.606
3.951
4.268
3.592
4.109
3.392
3.903
3.254
3.827
3.144
3.682
2.875
3.696
2.696
3.930
2.903

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