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R410A Piping Materials/Radial Thickness
Type
Diameter (mm)
6.4
Diameter (inch)
1/4
Minimum
Thickness
0.8
(mm)
The minimum thickness of the pipe in the chart is based on the PRC Standard Specification for Drawn Tube
of Copper and Copper Alloys (GB/T1527-1997), TP2M and TP2Y2 are the marks of the material brand and
state. Using this table as reference, choose the pipe that meets the local standards and the maximum
operation pressure reaches 4.15MPa.
If the unit is used in the environment which is eroded seriously, it should be thickened by 0.2mm.
The table shows the minimum thickness. If the pipe needs to be bent or drawn, please add the extra
thickness appropriately.
16
TP2M
9.5
12.7
15.9
3/8
1/2
5/8
0.8
0.8
1.0
19.1
22.2
25.4
3/4
7/8
1
1.0
1.0
1.0
TP2Y2
28.6
31.8
34.9
1-1/8
1-1/4
1-3/8
1.0
1.1
1.3
Installation Manual IM-MDS_(i)
38.1
41.3
1-1/2
1-5/8
1.4
1.5
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