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Dimensions Of Butt Weld Caps

In accordance with
ASNI B16.9
ASTM A403

Nominal Pipe
Size
Outside Diameter
At Bevel
Length²
E
Limiting Wall Thickness
for Length E
Length³
E1
ins mm ins mm ins mm ins mm
1/2 0.840 21.34 1 25.4 0.147 3.73 1 25.4
3/4 1.050 26.60 1 25.4 0.154 3.91 1 25.4
1 1.315 33.40 1.5 38.1 0.179 4.55 1.5 38.1
1 1/4 1.660 42.10 1.5 38.1 0.191 4.85 1.5 38.1
1 1/2 1.900 48.10 1.5 38.1 0.200 5.08 1.5 38.1
2 2.375 60.30 1.5 38.1 0.218 5.54 1.75 44.45
2 1/2 2.875 73.00 1.5 38.1 0.276 7.01 2 50.8
3 3.500 89.90 2 50.8 0.300 7.62 2.5 63.5
3 1/2 4.000 101.6 2.5 63.5 0.318 8.08 3 76.2
4 4.500 114.3 2.5 63.5 0.337 8.56 3 76.2
5 5.563 141.3 3 76.2 0.375 9.53 3.5 88.9
6 6.625 168.3 3.5 88.9 0.432 10.97 4 101.6
8 8.625 219.1 4 101.6 0.500 12.7 5 127.0
10 10.750 273.0 5 127.0 0.500 12.7 6 152.4
12 12.750 323.8 6 152.4 0.500 12.7 7 177.8
14 14.000 355.6 6.5 165.1 0.500 12.7 7.5 190.5
16 16.000 406.4 7 177.8 0.500 12.7 8 203.2
18 18.000 457.2 8 203.2 0.500 12.7 9 228.6
20 20.000 508.0 9 228.6 0.500 12.7 10 254.0
22 22.000 558.8 10 254.0 0.500 12.7 10 254.0
24 24.000 609.6 10.5 266.7 0.500 12.7 12 304.9
26 26.000 660.4 10.5 266.7
28 28.000 711.2 10.5 266.7
30 30.000 762.0 10.5 266.7
32 32.000 812.8 10.5 266.7
34 34.000 863.6 10.5 266.7
36 36.000 914.4 10.5 266.7
38 38.000 965.2 12 304.8
40 40.000 1016.0 12 304.8
42 42.000 1066.8 12 304.8
44 44.000 1117.6 13.5 342.9
46 46.000 1168.4 13.5 342.9
48 48.000 1219.2 13.5 342.9
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