Performance of Standard Flanges on HDPE Flange Adapters

IPP has thoroughly scrutinized all flange designs with the use of special computer software to determine the von Mises stress levels and the stress levels of national standards present in all of its flange structures. The chart below sets out those findings.

Read more about the performance of IPP Deltaflex® flanges on HDPE flange adapters.

STAINLESS STEEL DUCTILE IRON CARBON STEEL
Plate Sizes
AWWAC2071 2-D2 (1-D) 1/2″ Thickness 3/4″ Thickness 1″ Thickness BU-DI (IPS) Chamfered LJ-DI (IPS)3 B16.5 Lap Joint 2-D2 (1-D) AWWA-C207 4-E2(3-E) AWWA-C207
Nominal Pipe Size Op Press Weight Op Press Weight Op Press Weight Op Press Weight Op Press Weight Op Press Weight Op Press Weight Op Press Weight
1/2″ 275 1.0 275 .9
3/4″ 275 1.4 275 1.3
1″ 275 1.6 275 1.7
1 1/4″ 275 1.9
1 1/2″ 275 2.1 275 2.8 275 3.0
2″ 275 4.3 168 3.4 267 5.1 267 6.8 275 2.9 275 4.3 275 4.2 275 5.0
2 1/2″ 275 4.0 275 5.7 275 8.0
3″ 275 6.2 168 4.9 267 7.4 267 9.8 275 4.3 275 7.9 275 6.1 275 8.0
4″ 200 8.6 148 6.8 267 10.2 267 13.7 247 6.8 275 10.7 239 8.4 275 13.0
5″ 202 9.8 123 7.8 267 11.7 267 15.6 210 7.6 247 9.6 275 15.0
6″ 160 11.9 123 8.6 267 12.9 267 17.2 210 9.3 275 14.7 227 11.7 275 17.0
8″ 97 16.6 87 12.0 197 18.0 267 24.1 120 13.2 275 23.9 117 16.3 275 28.0
10″ 57 21.6 60 15.7 135 23.5 239 31.3 74 17.2 275 32.3 68 21.2 275 37.0
12″ 49 33.0 39 20.4 89 30.6 158 40.7 69 29.3 275 55.0 60 32.3 275 59.0
14″ 60 51.6 34 27.4 75 41.2 134 54.9 67 35.8 77 50.5 275 77.0
16″ 52 66.3 25 33.1 57 49.7 100 66.3 46 41.8 63 64.9 275 99.0
18″ 48 71.1 21 33.5 47 50.3 84 67.1 53 51.7 60 69.6 275 106.0
20″ 46 89.7 15 39.7 33 59.5 58 79.4 45 58.6 56 87.8 275 134.0
22″ 44 102.0 13 42.9 31 64.3 55 85.7 50 99.9 275 185.0
24″ 40 125.0 12 50.0 30 75.0 51 100.0 40 85.1 49 122.0 275 190.0
26″ 144.0 9 55.0 20 82.4 36 110.0 141.0
28″ 32 159.0 8 60.7 18 91.0 30 121.0 38 156.0
30″ 34 185.0 15 101.0 25 134.0 28 112.0 39 181.0 188 295.0
32″ 34 240.0 15 120.0 23 160.0 41 235.0
34″ 32 253.0 248.0
36″ 32 298.0 9 137.0 16 183.0 26 177.0 39 292.0 143 433.0
40″
42″ 27 408.0 11 233.0 33 400.0 117 627.0
48″ 20 483.0 9 276.0 24 473.0 91 781.0
54″ 22 702.0 7 330.0 27 687.0 82 987.0
55″
60″
63″