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: .
: .
: ISO 4437.
: 16 225 .
: 6 , 12 , 50 100 .
: .
: .

SDR 26
SDR 21
SDR 17
SDR 13.6
SDR 11
SDR 9
 
Wall Thickness mm
Outside Dia. mm
emin
emin
emin
emin
emin
emin
--------
--------
--------
--------
2.3
3.0
16
--------
--------
--------
--------
2.3
3.0
20
--------
--------
--------
2.0
2.3
3.0
25
--------
--------
2.0
2.4
3.0
3.6
32
--------
2.0
2.4
3.0
3.7
4.5
40
2.0
2.4
3.0
3.7
4.6
5.6
50
2.5
3.0
3.8
4.7
5.8
7.1
63
2.9
3.6
4.5
5.6
6.8
8.4
75
3.5
4.3
5.4
6.7
8.2
10.1
90
4.2
5.3
6.6
8.1
10.0
12.3
110
4.8
6.0
7.4
9.2
11.4
14.0
125
5.4
6.7
8.3
10.3
12.7
15.7
140
6.2
7.7
9.5
11.8
14.6
17.9
160
6.9
8.6
10.7
13.3
16.4
20.1
180
7.7
9.6
11.9
14.7
18.2
22.4
200
8.6
10.8
13.4
16.6
20.5
25.2
225
9.6
11.9
14.8
18.4
22.7
27.9
250
10.7
13.4
16.6
20.6
25.4
31.3
280
12.1
15.0
18.7
23.2
28.6
35.2
315
13.6
16.9
21.1
26.1
32.2
39.7
355
15.3
19.1
23.7
29.4
36.4
44.7
400