Imperial PVC Pipe
Class C, 9 bar Class E, 15 bar Class 7 for threading
Pipe Size Outside Diameter (mm) Internal Diameter (mm) Wall Thickness (mm) Internal Diameter (mm) Wall Thickness (mm) Internal Diameter (mm) Wall Thickness (mm)
1/2" 21.4 18 1.7 18 1.7 13.4 4
3/4" 26.7 22.9 1.9 22.9 1.9 14.1 4.2
1" 33.4 29 2.2 29 2.2 23.8 4.8
1 1/4" 42.2 37.8 2.2 35.8 3.2 31.8 5.2
1 1/2" 48.3 43.3 2.5 40.9 3.7 37.3 5.5
2" 60.3 55.3 2.5 51.3 4.5 48.5 5.9
2 1/2" 75.2 69.4 2.9 64 5.6 - -
3" 88.9 81.9 3.5 75.9 6.5 - -
4" 114.3 105.3 4.5 97.7 8.3 - -
6" 168.3 153.3 7.5 144.1 12.1 - -
8" 219.1 201.5 8.8 190.9 14.1 - -
Sch40 PVC Pipe
Size Outside Diameter (mm) Internal Diameter (mm) Wall Thickness (mm)
1 1/2" 48.3 40.9 3.7
2" 60.3 52.5 3.9
Metric PVC Pipe
10 Bar 16 Bar
Pipe Size Outside Diameter (mm) Internal Diameter (mm) Wall Thickness (mm) Internal Diameter (mm) Wall Thickness (mm)
16mm 16 13 1.5 - -
20mm 20 18 1.0 17 1.5
25mm 25 22.5 1.25 21.2 1.9
32mm 32 28.4 1.8 27.2 2.4
40mm 40 36.2 1.9 34 3.0
50mm 50 45.2 2.4 42.6 3.7
63mm 63 58.2 2.4 53.6 4.7
75mm 75 69.2 2.9 63.8 5.6
90mm 90 83 3.5 76.6 6.7
110mm 110 101.6 4.2 96.8 6.6
125mm 125 115.4 4.8 110.2 7.4
140mm 140 129.2 5.4 123.4 8.3
160mm 160 147.6 6.2 141 9.5
200mm 200 184.6 7.7 176.2 11.9
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