覆塑铜管
公称 通径 DN (mm) |
公称 通径 DN (mm) |
壁厚/mm |
齿形环 Gear-Shaped Loop (mm) |
平形环 Parallel Loop (mm) |
发泡形 |
极限偏差 Maximum Deviation (mm) |
定尺长度 |
极限偏差 Maximum Deviation (mm) |
15
|
15
|
0.7
|
18.4
|
17
|
21.5
|
±0.20 |
2.9或 （or）5.8 |
0~±10 |
20
|
22
|
0.9 |
25.4
|
24
|
28.5
|
|||
25
|
28
|
31.4
|
30
|
--
|
||||
32
|
35
|
1.2 |
38.4
|
37.6
|
--
|
±0.30 |
||
40
|
42
|
45.4
|
44.6
|
--
|
||||
50
|
54
|
57.4
|
56.8
|
--
|
±0.40 |
|||
65
|
67
|
--
|
69.8
|
--
|
||||
80
|
76
|
1.5
|
--
|
78.8
|
--
|
±0.50
|