|
公称外径
dn，mm
|
平均外径
|
S5
|
S4
|
S3.2
|
S2.5
|
S2
|
|
|
de,min，mm
|
de,max，mm
|
公称壁厚en，mm
|
|||||
|
12
|
12.0
|
12.3
|
—
|
—
|
—
|
2.0
|
2.4
|
|
16
|
16.0
|
16.3
|
—
|
2.0
|
2.2
|
2.7
|
3.3
|
|
20
|
20.0
|
20.3
|
2.0
|
2.3
|
2.8
|
3.4
|
4.1
|
|
25
|
25.0
|
25.3
|
2.3
|
2.8
|
3.5
|
4.2
|
5.1
|
|
32
|
32.0
|
32.3
|
2.9
|
3.6
|
4.4
|
5.4
|
6.5
|
|
40
|
40.0
|
40.4
|
3.7
|
4.5
|
5.5
|
6.7
|
8.1
|
|
50
|
50.0
|
50.5
|
4.6
|
5.6
|
6.9
|
8.3
|
10.1
|
|
63
|
63.0
|
63.6
|
5.8
|
7.1
|
8.6
|
10.5
|
12.7
|
|
75
|
75.0
|
75.7
|
6.8
|
8.4
|
10.3
|
12.5
|
15.1
|
|
90
|
90.0
|
90.9
|
8.2
|
10.1
|
12.3
|
15.0
|
18.1
|
|
110
|
110.0
|
111.0
|
10.0
|
12.3
|
15.1
|
18.3
|
22.1
|
|
125
|
125.0
|
126.2
|
11.4
|
14.0
|
17.7
|
20.8
|
25.1
|
|
140
|
140.0
|
141.3
|
12.7
|
15.7
|
19.2
|
23.3
|
28.1
|
|
160
|
160.0
|
161.5
|
14.6
|
17.9
|
21.9
|
26.6
|
32.1
|
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