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Pressure Pipes Systems

BS 3505

Nominal size Outside
Diameter
Wall Thickness
Class C (9 Bar) Class D (12 Bar) Class E (12 Bar)
Inch Min.
mm
Max.
mm
Min.
mm
Max.
mm
Min.
mm
Max.
mm
Min.
mm
Max.
mm
1/2 21.2 21.5 - - - - 1.7 2.1
3/4 26.6 26.9 - - - - 1.9 2.5
1 33.4 33.7 - - - - 2.2 2.7
11/4 42.1 42.4 - - 2.2 2.7 2.7 3.2
11/2 48.1 48.4 - - 2.5 3.0 3.1 3.7
2* 60.2 60.5 2.5 3.0 3.1 3.7 3.9 4.5
3* 88.7 89.1 3.5 4.1 4.6 5.3 5.7 6.6
4* 114.1 114.5 4.5 5.2 6.0 6.9 7.3 8.4
5 140.1 140.4 5.5 6.4 7.3 8.4 9.0 10.4
6* 168.0 168.5 6.6 7.6 8.8 10.2 10.8 12.5
8* 218.8 219.4 7.8 9.0 10.3 11.9 12.6 14.5
10* 272.6 273.4 9.7 11.2 12.8 14.8 15.7 18.1
12* 323.4 324.3 11.5 13.3 15.2 17.5 18.7 21.6
14 355.0 356.0 12.6 14.5 16.7 19.2 20.5 23.6
16 405.9 406.9 14.5 16.7 19.0 21.9 23.4 27.0

DIN 8062

Outside Diameter
mm
Wall Thickness
DIN 8062, Series 2
4 Bar Rating (PN4)
mm
DIN 8062, Series 3
6 Bar Rating (PN6)
mm
DIN 8062, Series 4
10 Bar Rating (PN10)
mm
DIN 8062, Series 5
16 Bar Rating (PN16)
mm
20 - - - 1.5
25 - - 1.5 1.9
32 - - 1.8 2.4
40 - 1.8 1.9 3.0
50 - 1.8 2.4 3.7
63 * - 1.9 3.0 4.7
75* 1.8 2.2 3.6 5.6
90* 1.8 2.7 4.3 6.7
110* 2.2 3.2 5.3 8.2
125 2.5 3.7 6.0 9.3
140 2.8 4.1 6.7 10.4
160* 3.2 4.7 7.7 11.9
200* 4.0 5.9 9.6 14.9
225* 4.5 6.6 10.8 16.7
250* 4.9 7.3 11.9 18.6
280 5.5 8.2 13.4 20.8
315* 6.2 9.2 15.0 23.4
400* 7.9 11.7 19.10 29.7

ISO 161/1

Outside Diameter
mm
Wall Thickness
S 20 SDR 41
PN 6.3
mm
S 12.5 SDR 26
PN 10
mm
S 8 SDR 17
PN 16
mm
20 - - -
20 - - 1.2
25 - - 1.5
32 - - 1.9
40 - 1.6 2.4
50 1.3 2.0 3.0
63 1.6 2.5 3.8
75 1.9 2.9 4.5
90 2.2 3.5 5.4
110* 2.7 4.2 6.6
125* 3.1 4.8 7.4
160* 4.0 6.2 9.5
200* 4.9 7.7 11.9
225* 5.5 8.6 13.4
250* 6.2 9.6 14.8
280 6.9 10.7 16.6
315* 7.7 12.1 18.7
400* 9.8 15.3 23.7

ASTM

ASTM D 1785-76
Schedule 40/Schedule 80

Normal Paper Size
mm
Outside Diameter
mm
Wall Thickness
Schedule 40
mm
Schedule 80
mm
20 - - -
1/2 21.3 2.8 3.7
3/4 26.7 2.9 3.9
1 33.4 3.4 4.5
11/4 42.2 3.6 4.8
11/2 48.3 3.7 5.1
2 60.3 3.9 5.5
21/2 73.0 5.2 7.0
3 88.9 5.5 7.6
4 114.3 6.0 8.6
6 168.3 7.1 11.0
8 219.1 8.2 12.7
10 273.1 9.3 15.1
12 323.9 10.3 17.5

ASTM

ASTM D 2241
Class 100 / Class 125 / Class 160 / Class 200 / Class 315

Nominal
Pipe Size
mm
Mean Outside
Diameter
mm
Wall Thickness
SDR-41
100psi
mm
SDR-32.5
125psi
mm
SDR-26
160psi
mm
SDR-21
200psi
mm
SDR-13.5
315psi
mm
1/2 21.3 - - - - 1.6
3/4 26.7 - - - 1.5 2.0
1 33.4 - - 1.5 1.6 2.5
11/4 42.2 - - 1.6 2.0 3.1
11/2 48.3 - - 1.9 2.3 3.6
2 60.3 - - 2.3 2.9 4.5
21/2 73.0 - - 2.8 3.5 5.4
3 88.9 - 2.7 3.4 4.2 6.6
4 114.3 2.8 3.5 4.4 5.4 8.5
6 168.3 4.1 5.2 6.5 8.0 -
8 219.1 5.3 6.7 8.4 10.0 -
10 273.1 6.6 8.4 10.5 12.9 -
12 323.9 7.9 9.9 12.5 15.4 -