Nor-minal pipe size DN(in)  Outside Diameter at Bevel   Length   L  Redius of filler  Diameter of Lap
A B
D MSS SP-43 ASME R G
1/2 21.3 51 76 3 0.8 35
3/4 26.7 51 76 3 0.8 43
1 33.4 51 102 3 0.8 51
11/4 42.2 51 102 5 0.8 64
11/2 48.3 51 102 6 0.8 73
2 60.3 64 152 8 0.8 92
21/2 73.0 64 152 8 0.8 106
3 88.9 64 152 10 0.8 127
31/2 101.6 76 152 10 0.8 140
4 114.3 76 152 11 0.8 157
5 141.3 76 203 11 1.6 185
6 168.3 89 203 13 1.6 218
8 219.1 102 203 13 1.6 270
10 273.0 127 254 13 1.6 324
12 323.8 152 254 13 1.6 381
14 355.6 152 305 13 1.6 413
16 406.4 152 305 13 1.6 470
18 457.0 152 305 13 1.6 533
20 508.0 152 305 13 1.6 584
22 559 152 305 13 – 641
24 610 152 305 13 1.6 692