Nominal Size
Outside Diameter (mm)
Nominal Wall Thickness (mm)
Pipe Series S
S20
(S16.7)
S16
S12.5
S10
S8
S6.3
S5
Nominal Pressure PN based on service (design) coefficient C=2.5
(SDR41)
PN6 (SDR34.4)
PN7.5 (SDR33)
PN8 (SDR26)
PN10 (SDR21)
PN12.5 (SDR17)
PN16 (SDR13.6)
PN20 (SDR11)
(mm)
MIN
MAX
20
20.0
20.2
1.5
1.9
2.3
25
25.0
25.2
2.8
32
32.0
32.2
1.6
2.0
2.4
3.0
2.9
3.4
40
40.0
40.2
3.5
3.7
4.3
50
50.0
50.2
4.6
5.3
63
63.0
63.3
2.5
3.8
4.4
4.7
5.4
5.8
6.6
75
75.0
75.3
2.2
2.7
3.6
4.2
4.5
5.2
5.6
6.4
6.8
7.7
90
90.0
90.3
3.2
3.3
5.0
6.2
6.7
7.6
8.2
9.2
Nominal Pressure PN based on service (design) coefficient = 2.0
PN6
PN7.5
PN8
PN10
PN12.5
PN16
PN20
PN25
110
110.0
110.4
4.0
4.9
6.1
8.1
10.0
11.2
160
160.0
160.5
7.1
8.7
9.5
10.7
11.8
13.2
14.6
16.3
200
200.0
200.6
5.9
9.6
10.8
11.9
13.3
14.7
16.4
18.2
20.3
225
225.0
225.7
5.5
6.3
6.9
7.8
8.6
9.7
13.4
15.0
16.6
18.5
250
250.0
250.8
7.3
8.3
14.8
16.5
18.4
20.5
280
280.0
280.9
9.3
12.0
20.6
22.8
315
315.0
315.1
10.4
10.9
12.1
13.6
16.7
18.7
20.8
23.2
25.8
