Dimensions of PVC Pipes Sch40 as per ASTM D1785

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Table below provides dimensions and weights of PVC Pipe of wall thickness Sch40 as per ASTM D1785. The values of maximum working pressure are provided in the last column.

Nom Size
(in)		 Nom Size
(mm)		 Outside
Dia (in)		 Outside
Dia (mm)		 Min Wall
Thk (in)		 Min Wall
Thk (mm)		 Average
ID (in)		 Average
ID (mm)		 Weight lb/ft Weight kg/m Max
Working
Pressure
1/8 DN8 0.405 10.3 0.068 1.73 0.249 6.32 0.051 0.08 810
1/4 DN12 0.54 13.7 0.088 2.24 0.344 8.74 0.086 0.13 780
3/8 DN10 0.675 17.1 0.091 2.31 0.473 12.01 0.115 0.17 620
1/2 DN15 0.84 21.3 0.109 2.77 0.602 15.29 0.170 0.25 600
3/4 DN20 1.05 26.7 0.113 2.87 0.804 20.42 0.226 0.34 480
1 DN25 1.315 33.4 0.133 3.38 1.029 26.14 0.333 0.50 450
1-1/4 DN32 1.66 42.2 0.14 3.56 1.36 34.54 0.450 0.67 370
1-1/2 DN40 1.9 48.3 0.145 3.68 1.59 40.39 0.537 0.80 330
2 DN50 2.375 60.3 0.154 3.91 2.047 51.99 0.720 1.07 280
2-1/2 DN65 2.875 73.0 0.203 5.16 2.445 62.10 1.136 1.69 300
3 DN80 3.5 88.9 0.216 5.49 3.042 77.27 1.488 2.21 260
3-1/2 - 4 101.6 0.226 5.74 3.521 89.43 1.789 2.66 240
4 DN100 4.5 114.3 0.237 6.02 3.998 101.55 2.118 3.15 220
5 DN125 5.563 141.3 0.258 6.55 5.016 127.41 2.874 4.28 190
6 DN150 6.625 168.3 0.28 7.11 6.031 153.19 3.733 5.56 180
8 DN200 8.625 219.1 0.322 8.18 7.942 201.73 5.619 8.36 160
10 DN250 10.75 273.1 0.365 9.27 9.976 253.39 7.966 11.85 140
12 DN300 12.75 323.9 0.406 10.31 11.889 301.98 10.534 15.68 130
14 DN350 14 355.6 0.437 11.10 13.073 332.05 12.462 18.54 130
16 DN400 16 406.4 0.5 12.70 14.94 379.48 16.286 24.24 130
18 DN450 18 457.2 0.562 14.27 16.809 426.95 20.587 30.64 130
20 DN500 20 508.0 0.593 15.06 18.743 476.07 24.183 35.99 120
24 DN600 24 609.6 0.687 17.45 22.544 572.62 33.652 50.08 120

The pressure ratings (maximum working pressure) provided in table above are applicable for non-shock water service @ 73°F. The following temperature de-rating factors shall be applied to the maximum working pressure when operating at elevated temperatures.

De-Rating Factor
Operating
Temp (°F)		 De-Rating
Factor
73 1.00
80 0.88
90 0.75
100 0.62
110 0.51
120 0.40
130 0.31
140 0.22
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