Butt-Welding Caps ASME/ANSI B16.9

 
Nor-minal pipe size DN(in)  Outside Diameter at Bevel  Length  Limiting Wall Thickness for Length E
D E E1
1/2 21.3 25 25 4.57
3/4 26.7 25.4 25 3.91
1 33.4 38 38 4.57
11/4 42.2 38 38 4.83
11/2 48.3 38 38 5.08
2 60.3 38 44 5.59
21/2 73 38 51 7.11
3 88.9 51 64 7.62
31/2 101.6 64 76 8.13
4 114.3 64 76 8.64
5 141.3 76.2 89 9.65
6 168.3 89 102 10.92
8 219.1 102 127 12.70
10 273 127 152 12.70
12 323.8 152 178 12.70
14 355.6 165 191 12.70
16 406.4 178 203 12.70
 

 
Nor-minal pipe size DN(in)   Outside Diameter at Bevel  Length  Limiting Wall Thickness for Length E
D E E1
18 457.0 203 229 12.70
20 508.0 229 254 12.70
22 559 254 254 12.70
24 610 267 305 12.70
26 660 267 – –
28 711 267 – –
30 762 267 – –
32 813 267 – –
34 864 267 – –
36 814 267 – –
38 965 305 – –
40 1067 305 – –
42 1066.8 305 – –
44 1118 343 – –
46 1168 343 – –
48 1219 343 – –