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Table 2-2-3 Dimensions related to flare processing for R410A
Outer
Nominal
diameter
diameter
(mm)
1/4
6.35
3/8
9.52
1/2
12.70
5/8
15.88
Table 2-2-4 Dimensions related to flare processing for R22
Outer
Nominal
diameter
diameter
(mm)
1/4
6.35
3/8
9.52
1/2
12.70
5/8
15.88
Table 2-2-5 Flare and flare nut dimensions for R410A
Outer
Nominal
diameter
diameter
(mm)
1/4
6.35
3/8
9.52
1/2
12.70
5/8
15.88
Outer
Nominal
diameter
diameter
(mm)
1/4
6.35
3/8
9.52
1/2
12.70
5/8
15.88
3/4
19.05
Thickness
Flare tool for R410A
(mm)
0.8
0.8
0.8
1.0
Thickness
Flare tool for R410A
(mm)
0.8
0.8
0.8
1.0
Thickness
(mm)
A
0.8
9.1
0.8
13.2
0.8
16.6
1.0
19.7
Table 2-2-6 Flare and flare nut dimensions for R22
Thickness
(mm)
A
0.8
9.0
0.8
13.0
0.8
16.2
1.0
19.7
1.0
23.3
– 8 –
A (mm)
Conventional flare tool
clutch type
Clutch type
0 to 0.5
1.0 to 1.5
0 to 0.5
1.0 to 1.5
0 to 0.5
1.0 to 1.5
0 to 0.5
1.0 to 1.5
A (mm)
Conventional flare tool
clutch type
Clutch type
0 to 0.5
0.5 to 1.0
0 to 0.5
0.5 to 1.0
0 to 0.5
0.5 to 1.0
0 to 0.5
0.5 to 1.0
Dimension (mm)
B
C
9.2
6.5
13.5
9.7
16.0
12.9
19.0
16.0
Dimension (mm)
B
C
9.2
6.5
13.5
9.7
16.0
12.9
19.0
16.0
24.0
19.2
FILE NO. SVM-05027
Wing nut type
1.5 to 2.0
1.5 to 2.0
2.0 to 2.5
2.0 to 2.5
Wing nut type
1.0 to 1.5
1.0 to 1.5
1.0 to 2.0
1.0 to 2.0
Flare nut
width
D
(mm)
13
17
20
22
23
26
25
29
Flare nut
width
D
(mm)
13
17
20
22
20
24
23
27
34
36
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