Dimensions of steel butt welding caps ASME B16.9

Dimensions of steel butt welding caps ASME B16.9

Dimensions of steel butt welding caps ASME B16.9

Dimensions of steel butt welding caps ASME B16.9

NPS OD, D Length, H Limiting Wall Thickness for Length, H Length, H1
 1/2 21.3 25 4.57 25
 3/4 26.7 25 3.81 25
1 33.4 38 4.57 38
1 1/4 42.2 38 4.83 38
1 1/2 48.3 38 5.08 38
2 60.3 38 5.59 44
2 1/2 73 38 7.11 51
3 88.9 51 7.62 64
3 1/2 101.6 64 8.13 76
4 114.3 64 8.64 76
5 141.3 76 9.65 89
6 168.3 89 10.92 102
8 219.1 102 12.7 127
10 273 127 12.7 152
12 323.8 152 12.7 178
14 355.6 165 12.7 191
16 406.4 178 12.7 203
18 457 203 12.7 229
20 508 229 12.7 254
22 559 254 12.7 254
24 610 267 12.7 305
26 660 267
28 711 267
30 762 267
32 813 267
34 864 267
36 914 267
38 965 305
40 1016 305
42 1067 305
44 1118 343
46 1168 343
48 1219 343
(1) Length H appllies for thickness not exceeding that given in column “Limiting Wall Thickness for Length H.”
(2)Length H1 applies for thickness greater than that given in column “Limiting Wall Thickness” for NPS 24 and smaller. For NPS 26 and larger,length H1 shall be by agreement between the manufacturer and purchaser.

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